# CorreTrak vs OilMo

The clearest difference is update cadence: OilMo at every 3 weeks against CorreTrak's every 3 months. OilMo also leads on iOS requirement (12.0 vs 15.0). 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.

CorreTrak ships an update every 3 months, OilMo every 3 weeks. The most recent releases landed on October 24, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | CorreTrak | OilMo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (8 ratings)](https://appshunter.io/ios/app/corretrak/id982357755/reviews)** | — |
| Number of ratings | **8** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 652 MB | 13 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Dynamic Imaging Systems, Inc.](https://appshunter.io/developer/982357750) | [Wikon Kommunikationstechnik GmbH](https://appshunter.io/developer/472943917) |

## What reviewers say

### CorreTrak

[App page](https://appshunter.io/ios/app/corretrak/id982357755)

This mobile application provides Wi-Fi enabled inmate tracking and management for correctional facilities. It offers features for identification, location tracking, facility rounds, headcounts, program attendance, and incident reporting. The app can integrate with existing systems or operate independently.

**Highlights:** Inmate identification, Inmate location tracking, Facility rounds and well-being checks, Inmate head count, Program attendance tracking, Incident reporting

**Features:** macOS Compatibility

**In-app purchases:** none


### OilMo

[App page](https://appshunter.io/ios/app/oilmo/id1032261344)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CorreTrak free?

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

### Is OilMo free?

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

### Do CorreTrak or OilMo have ads?

Neither CorreTrak nor OilMo shows ads.

### Which is updated more often, CorreTrak or OilMo?

CorreTrak ships an update every 3 months, and OilMo every 3 weeks. Most recently, CorreTrak was updated on October 24, 2026 and OilMo on October 13, 2026.

---

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