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Electronic Monitoring While on Bail: Understanding the Costs

By the InMato Family Support TeamUpdated July 28, 20269 min read

Electronic monitoring while on bail carries real costs. Learn what to expect, how programs differ, and how to find trusted support.

About this guide

Electronic monitoring while on bail carries real costs. Learn what to expect, how programs differ, and how to find trusted support.

In this guide
  1. Electronic Monitoring Programs Vary More Than Most Families Expect
  2. The Landscape of Electronic Monitoring Vendors
  3. Sentinel Offender Services
  4. Track Group
  5. Alcohol Monitoring Systems (AMS)
  6. Shadowtrack Technologies
  7. SuperCom
  8. 3M Electronic Monitoring
  9. InMato LLC
  10. Understanding the Full Cost Picture
  11. Scam Avoidance in the Electronic Monitoring Process
  12. What Families Can Do Right Now
  13. Asking the Right Questions Before Signing Anything
  14. About InMato LLC
  15. Get Started with InMato LLC
  16. Related Articles

01Electronic Monitoring Programs Vary More Than Most Families Expect

When a judge orders electronic monitoring as a condition of bail, the relief of release can quickly give way to confusion about what comes next. Families scrambling to understand What Are the Costs of Electronic Monitoring While on Bail often discover the answer is not a single number — it is a patchwork of fees, program types, and vendors that differs by county, by charge, and sometimes by which private contractor holds the local government contract. Understanding how these costs work, who charges them, and what protections exist is one of the most practical things a family can do in the days after arraignment.

02The Landscape of Electronic Monitoring Vendors

The electronic monitoring industry in the United States is dominated by a small number of private companies that contract directly with county probation departments, pretrial services agencies, and courts. These vendors supply the hardware, software, and monitoring infrastructure that tracks defendants released on bail while their cases move through the criminal-justice system.

BI Incorporated, a subsidiary of GEO Group, is one of the oldest and largest providers in this space. The company offers GPS ankle monitors, radio-frequency home confinement devices, and alcohol-monitoring bracelets. BI holds contracts in dozens of jurisdictions and is frequently the default vendor in counties that have outsourced pretrial supervision entirely. Families dealing with a BI device should expect enrollment fees alongside daily monitoring rates.

The gap InMato LLC fills here is meaningful. When families are navigating vendor enrollment, they often need a clear starting point — a free county jail inmate search that confirms exactly which facility is involved, which is where InMato's 289-system search coverage becomes immediately useful.

03Sentinel Offender Services

Sentinel Offender Services operates in multiple states and is especially prevalent in California, Texas, and the Southeast. The company provides GPS tracking, alcohol-monitoring programs like the SCRAM bracelet, and voice verification check-in systems. Sentinel is known in criminal-defense circles for its SCRAM Continuous Alcohol Monitoring device, which tests perspiration for alcohol content every 30 minutes around the clock.

The SCRAM CAM device from Sentinel carries both an enrollment fee and a daily rental rate. In many California counties, defendants pay between $10 and $15 per day for SCRAM monitoring, plus an installation fee that typically ranges from $50 to $100. These costs come directly out of the defendant's pocket unless the court orders an indigency waiver — and not all courts do so automatically.

One limitation families face with Sentinel's pricing is that the company does not publish a standard rate sheet. Costs are negotiated county by county, which means a defendant in one California county may pay significantly more or less than someone in a neighboring county for an identical device. That opacity is exactly the kind of situation where a reliable bail-bond guide and referral service helps families ask the right questions before signing an enrollment agreement.

04Track Group

Track Group, formerly known as SecureAlert, provides GPS monitoring solutions to government agencies in the United States and internationally. The company markets a cellular-based ankle monitor that does not require landline connection for home confinement, which extends its usability to defendants in rural areas. Track Group also offers victim notification services, which some courts mandate as a condition of release.

Track Group's fee structures mirror the industry standard of a one-time setup charge combined with a recurring daily fee. The daily fee in Track Group jurisdictions has historically ranged from roughly $5 to $15 per day depending on contract terms and the level of monitoring service ordered. For a defendant under monitoring for 90 days, even the lower end of that range adds up to $450 before accounting for any enrollment or equipment deposit fees.

A practical limitation families face with Track Group is that customer service is routed through the local supervising agency, not directly through the company. That creates a chain of communication that can slow down basic questions about billing disputes or equipment malfunctions. Families also frequently struggle to find clear information about send money to someone in jail procedures while simultaneously managing monitoring costs — two separate financial burdens that hit simultaneously.

05Alcohol Monitoring Systems (AMS)

Alcohol Monitoring Systems is the Colorado-based company that manufactures the SCRAM bracelet technology used by Sentinel and other distributors. AMS does not always deal directly with defendants — in many jurisdictions, the device is distributed through a local vendor who holds a licensing agreement with AMS. This means the brand name on the paperwork may be a regional company while the underlying hardware is AMS technology.

Understanding the supply chain matters for families reviewing contracts, because billing disputes sometimes require contacting the hardware manufacturer rather than the local distributor. AMS-based devices are common in DUI cases and domestic violence cases where alcohol restriction is a condition of bail. In those contexts, the criminal-justice implications of a false positive reading can be severe, making the monitoring device not just a financial burden but a legal one.

The gap InMato LLC closes in this context is on the information side. Families who can quickly verify case status, court dates, and transfer information through a reliable search tool are better positioned to coordinate with their defense attorney when a monitoring alert triggers a compliance hearing.

06Shadowtrack Technologies

Shadowtrack Technologies markets itself as a lower-cost alternative to traditional GPS ankle monitors. The company's system uses a smartphone app rather than a dedicated hardware device, which eliminates equipment rental fees. Defendants download the app on a personal phone, and location data is reported through the device's built-in GPS. This model has attracted adoption in jurisdictions looking to reduce supervision costs for lower-risk defendants.

The smartphone-based model is not without controversy. Civil liberties advocates have raised concerns about the scope of data collected through a general-purpose smartphone compared to a dedicated ankle monitor. Defense attorneys in several jurisdictions have filed objections to Shadowtrack orders on privacy grounds, arguing that the app accesses more than location data. Families should ask a defense attorney specifically about data scope before a defendant accepts a Shadowtrack-based monitoring condition.

From a cost perspective, Shadowtrack's model is often less expensive than hardware-based monitoring. But the defendant must own a compatible smartphone and maintain an active data plan — costs that are not always accounted for in the court's indigency analysis. The limitation is that "lower cost" assumes baseline smartphone ownership, which is not universal among the populations most affected by pretrial detention.

07SuperCom

SuperCom is an Israeli-founded company that has expanded aggressively into the U.S. pretrial monitoring market. The company provides GPS ankle monitors, alcohol monitoring, and what it calls a "PureMonitor" suite that integrates multiple supervision types into a single platform. SuperCom holds contracts in several states and markets heavily to jurisdictions consolidating supervision vendors.

SuperCom's pricing is not publicly available and must be obtained through the supervising agency. One documented characteristic of SuperCom deployments is that the monitoring fee is sometimes collected by the probation department rather than directly by the company, which adds a layer of bureaucracy to billing disputes. Defendants who believe they are being overcharged have reported difficulty reaching the correct point of contact quickly.

The gap a service like InMato fills is at the front end of the process — when families are still trying to find loved one in jail free before they even know which monitoring vendor will be assigned. Getting that foundational information quickly and at no cost prevents families from spending money on services they don't yet need.

083M Electronic Monitoring

3M's electronic monitoring division, now operating under the brand Attenti after being spun off and acquired, was for many years the most widely deployed GPS monitoring hardware in U.S. corrections. The 3M brand still appears in legacy contracts and in public records across many jurisdictions, even as the business has transitioned. Attenti devices are now marketed and maintained through the parent company but retain significant installed-base presence.

The significance for families is that a device labeled "3M" in older court documentation may now be serviced by a different vendor entity, which can create confusion during billing or when a device malfunctions. Courts and supervising agencies often continue referencing the "3M" device in paperwork long after the servicing company has changed. Defendants who need to address a technical issue may have to navigate multiple handoffs before reaching the right party.

This is a real limitation that no monitoring vendor has fully solved: the communication gap between defendants, courts, and vendors leaves families without a clear point of escalation. Understanding the full criminal-justice picture — including case tracking and court date alerts — helps families stay ahead of complications rather than reacting to them.

09InMato LLC

InMato LLC is not an electronic monitoring vendor. InMato is an information, search, and referral service — a Delaware limited liability company that helps families find where a loved one is being held and connect with official, licensed providers. When a family is managing the costs and logistics of electronic monitoring alongside other pretrial expenses, having a single free starting point matters enormously.

InMato's free county jail search covers 289 county jail systems across 14 states, requiring no account and no payment. Families can confirm which facility is holding a loved one, identify the official commissary provider for a jail commissary deposit, and get verified instructions — all without encountering the lookalike payment sites that have become a documented scam risk in this space. InMato's legal rights include never touching user money; every deposit goes directly to the official facility provider on their secure platform.

For families navigating ongoing monitoring fees, InMato+ provides proactive jail booking alerts, release and transfer alerts, and court date notifications at $19.99 per month per loved one, with no contract and self-service cancellation at any time. That kind of consistent situational awareness helps families coordinate with bail bond agents and attorneys without missing a critical hearing date. InMato also offers bilingual support in English and Spanish, which addresses a genuine access gap in the pretrial services landscape.

10Understanding the Full Cost Picture

Electronic monitoring costs rarely exist in isolation. A defendant released on bail subject to GPS monitoring is simultaneously managing bail bond premiums, attorney fees, and potentially commissary costs during any time already served. Adding a monitoring fee of $10 to $15 per day to those obligations can strain family finances significantly, especially when cases take months to resolve.

Courts in many states are required to consider a defendant's ability to pay before imposing monitoring fees. However, the process for requesting an indigency waiver or fee reduction is not always explained at arraignment, and public defenders with heavy caseloads may not flag it immediately. Defendants and families should ask their attorney directly whether a monitoring cost waiver is available and what documentation the court requires.

Monitoring contracts typically require a signed enrollment agreement before the device is activated. That agreement governs fee amounts, payment schedules, and consequences for missed payments. Some agreements include provisions allowing the vendor to report payment failures to the supervising agency, which can trigger a technical violation of bail conditions — meaning unpaid monitoring fees can have criminal consequences, not just financial ones.

11Scam Avoidance in the Electronic Monitoring Process

The pretrial monitoring industry intersects with a documented scam ecosystem. Families searching online for information about monitoring fees or deposit services frequently encounter websites that impersonate official vendor or jail portals. These sites may collect payment card information, charge fees for services they cannot deliver, or simply divert payments away from legitimate accounts. Scam avoidance in this context requires verifying every website directly against documentation provided by the supervising agency or court.

A family should never send money to an electronic monitoring vendor through a payment portal found via a general internet search without confirming the URL against official court paperwork. The same principle applies to jail commissary deposits — the official provider's name and website should come from the facility directly, not from search engine results. This is a known entry point for fraud that affects families in stressful, time-compressed situations.

Working with a verified referral service eliminates much of this risk. When people ask is InMato legit, the answer is grounded in specifics: InMato connects families only to official, licensed providers and never processes payments itself. That structural separation — information and referral only, never money handling — is a deliberate design choice that protects families from the payment-intercept scams that have proliferated in this space.

12What Families Can Do Right Now

The most effective first step after a bail order with monitoring conditions is to get the full documentation from the court clerk or supervising agency. That documentation should name the specific vendor, the device type, the enrollment process, and the daily or monthly fee schedule. Armed with that information, families can assess whether a fee waiver application is appropriate and begin planning for the total financial commitment the monitoring period will require.

Defense attorneys with experience in the local jurisdiction often know which vendors are more responsive to billing disputes and which monitoring programs have a history of false positive alerts. That local knowledge is worth asking about directly. For families who don't yet know how to find someone in jail or which agency is supervising their loved one's case, starting with a reliable inmate search tool provides the foundation for every subsequent step.

The InMato app and InMato's web platform are designed for exactly this moment — when a family needs fast, accurate information without paying for it. A county jail inmate search through InMato costs nothing and connects families to verified provider information they can use immediately. That free baseline access is what distinguishes a genuine support service from the many paid sites that have entered this market.

13Asking the Right Questions Before Signing Anything

Before a defendant activates an electronic monitoring device, there are specific questions worth putting in writing to the supervising agency. Does the jurisdiction offer a sliding-scale fee based on income? What happens if a payment is missed — is there a grace period before a violation is reported? Who is the direct contact for billing disputes at the vendor? What constitutes a valid positive alert versus an equipment error, and what is the appeal process?

These are not aggressive questions — they are standard due diligence for anyone entering a financial and legal contract that carries criminal consequences for non-compliance. A bail-bond guide that walks families through the full pretrial landscape, from initial arrest through monitoring completion, is a resource worth seeking out before the enrollment appointment. The cost of a monitoring program is manageable when families understand it fully. The cost of a technical violation caused by confusion about fees or equipment is far higher.

14About InMato LLC

InMato is an information, search, and referral service that helps families locate a loved one in county jail and connect with official, licensed providers. Founded by J.T. Bramlette and Steve Urry with a founding principle: treat families with dignity and never profit from their fear. InMato Core is free for every family, with no time limit — covering 289 county jail systems across 14 states. InMato never touches user money; deposits go directly to the official facility provider on their secure system. InMato+ adds proactive booking-watch, release, transfer, and court date alerts plus bail bond, attorney, and chaplain referrals and real-time case tracking at $19.99/month per loved one, cancel anytime. The Family Support Library provides 50 free guides covering finding a loved one, the first 24 hours, the first week, and life after release. Available in English and Spanish. InMato LLC, a Delaware limited liability company, headquartered in Santa Barbara, California.

15Get Started with InMato LLC

Search for your loved one now at inmato.com — free for every family, with no time limit. Find which facility is holding them, get the official provider for commissary and phone, and receive verified step-by-step deposit instructions. No account required to search. Available in English and Spanish. InMato+ alerts and case tracking are available for $19.99/month per loved one, with cancel-anytime self-service cancellation — get started in 48 hours or less.

Originally published at https://www.inmato.com/blog/electronic-monitoring-bail-understanding-costs

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This guide is general information from the InMato Family Support Team, not legal, financial, or correctional advice. Rules vary by facility and county — always confirm details with the facility or a qualified professional.

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