# Field Tracker vs GPS MOS

The clearest difference is update cadence: Field Tracker at monthly against GPS MOS's every 12 months. Field Tracker also leads on iOS requirement (15.6 vs 17.6). 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.

Field Tracker ships an update monthly, GPS MOS every 12 months. The most recent releases landed on September 30, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Field Tracker | GPS MOS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 12 months |
| Size | 77 MB | 62 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [CUSTOMER INTEGRATED SOLUTIONS S.A.P.I De C.V.](https://appshunter.io/developer/1687142554) | [LEONARDO JOSE ARRIETA NARVAEZ](https://appshunter.io/developer/1629559826) |

## What reviewers say

### Field Tracker

[App page](https://appshunter.io/ios/app/field-tracker/id6469925011)

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

**In-app purchases:** none


### GPS MOS

[App page](https://appshunter.io/ios/app/gps-mos/id6475648656)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Field Tracker free?

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

### Is GPS MOS free?

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

### Do Field Tracker or GPS MOS have ads?

Neither Field Tracker nor GPS MOS shows ads.

### Which is updated more often, Field Tracker or GPS MOS?

Field Tracker ships an update monthly, and GPS MOS every 12 months. Most recently, Field Tracker was updated on September 30, 2026 and GPS MOS on October 10, 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.*