# Enrollink vs aCheck

The clearest difference is update cadence: aCheck at every 3 months against Enrollink's every 9 months. Enrollink's advantage is iOS requirement (13.4 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Enrollink ships an update every 9 months, aCheck every 3 months. The most recent releases landed on July 5, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Enrollink | aCheck |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 51 MB | 28 MB |
| Requires iOS | **13.4** | 18.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [STOPLLC](https://appshunter.io/developer/1360421519) | [Attenti Group](https://appshunter.io/developer/1351404812) |

## What reviewers say

### Enrollink

[App page](https://appshunter.io/ios/app/enrollink/id1450665559)

This application facilitates communication between electronic monitoring enrollees and their supervising agents. It allows enrollees to report their location and sobriety, request schedule changes, and receive alerts about device battery levels. Agents can also initiate sobriety tests and video calls.

**Highlights:** GPS verification for mobile check-ins, Agent-initiated video calling, Schedule request submission, Device charging predictive analytics, SoberTrack test initiation

**Features:** macOS Compatibility

**In-app purchases:** none


### aCheck

[App page](https://appshunter.io/ios/app/acheck/id1482256184)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Enrollink free?

Enrollink is free to download, with no in-app purchases.

### Is aCheck free?

aCheck is free to download, with no in-app purchases.

### Do Enrollink or aCheck have ads?

Neither Enrollink nor aCheck shows ads.

### Which is updated more often, Enrollink or aCheck?

Enrollink ships an update every 9 months, and aCheck every 3 months. Most recently, Enrollink was updated on July 5, 2026 and aCheck on September 9, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*