# UMA M9 vs Speed Tracker Pro GPS

The clearest difference is price: UMA M9 at Free against Speed Tracker Pro GPS's $2.99. UMA M9 also leads on iOS requirement (11.0 vs 18.5). Speed Tracker Pro GPS's advantage is update cadence (every 9 days vs every 6 weeks). On ads, in-app purchases and device support there is nothing between them.

UMA M9 is free to download; Speed Tracker Pro GPS costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UMA M9 ships an update every 6 weeks, Speed Tracker Pro GPS every 9 days. The most recent releases landed on October 16, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | UMA M9 | Speed Tracker Pro GPS |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/uma-m9/id6450772085/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 9 days** |
| Monetization | **Free** | Paid |
| Size | 117 MB | 2 MB |
| Requires iOS | **11.0** | 18.5 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [UMA RACING SDN. BHD.](https://appshunter.io/developer/1403287201) | [Tobias Lorenz Haubold](https://appshunter.io/developer/1886171635) |

## What reviewers say

### UMA M9

[App page](https://appshunter.io/ios/app/uma-m9/id6450772085)

This application connects to a specific engine control unit (ECU) to monitor engine data, read diagnostic trouble codes, and perform various engine tuning adjustments. It also allows for tuning map sharing and accessing cloud-based ECU firmware and calibration files.

**Highlights:** Engine data monitoring, Malf-code reading, Fuel adjustment, Engine tuning, Tuning map sharing, Cloud ECU firmware access

**Features:** macOS Compatibility

**In-app purchases:** none


### Speed Tracker Pro GPS

[App page](https://appshunter.io/ios/app/speed-tracker-pro-gps/id6760775075)

This app provides a precise GPS speedometer with a clear display and background tracking. It records detailed trip statistics, offers speed limit warnings with haptic feedback, and supports Siri shortcuts for hands-free operation.

**Highlights:** Large, easy-to-read speed display, Reliable background trip recording, Detailed trip statistics and history, Customizable speed limit warnings, Siri Shortcuts integration

**In-app purchases:** none


## Frequently asked questions

### Is UMA M9 free?

UMA M9 is free to download, with no in-app purchases.

### Is Speed Tracker Pro GPS free?

Speed Tracker Pro GPS costs $2.99, with no in-app purchases.

### Do UMA M9 or Speed Tracker Pro GPS have ads?

Neither UMA M9 nor Speed Tracker Pro GPS shows ads.

### Which is updated more often, UMA M9 or Speed Tracker Pro GPS?

UMA M9 ships an update every 6 weeks, and Speed Tracker Pro GPS every 9 days. Most recently, UMA M9 was updated on October 16, 2026 and Speed Tracker Pro GPS on October 11, 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.*