# Sentinel GPS Tracker vs AdminOLT

The clearest difference is update cadence: AdminOLT at every 2 months against Sentinel GPS Tracker's every 35 months. Sentinel GPS Tracker's advantage is iOS requirement (15.0 vs 18.5). 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.

Sentinel GPS Tracker ships an update every 35 months, AdminOLT every 2 months. The most recent releases landed on October 1, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Sentinel GPS Tracker | AdminOLT |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 35 months | **Every 2 months** |
| Size | 40 MB | 31 MB |
| Requires iOS | **15.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Josue Moreno](https://appshunter.io/developer/1615979486) | [WispHub S.A de C.V.](https://appshunter.io/developer/1652389256) |

## What reviewers say

### Sentinel GPS Tracker

[App page](https://appshunter.io/ios/app/sentinel-gps-tracker/id6470811201)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### AdminOLT

[App page](https://appshunter.io/ios/app/adminolt/id6745847304)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sentinel GPS Tracker free?

Sentinel GPS Tracker is free to download, with no in-app purchases.

### Is AdminOLT free?

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

### Do Sentinel GPS Tracker or AdminOLT have ads?

Neither Sentinel GPS Tracker nor AdminOLT shows ads.

### Which is updated more often, Sentinel GPS Tracker or AdminOLT?

Sentinel GPS Tracker ships an update every 35 months, and AdminOLT every 2 months. Most recently, Sentinel GPS Tracker was updated on October 1, 2026 and AdminOLT on September 28, 2026.

---

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