# UMA M9 vs RevLogic

The clearest difference is in-app purchases: UMA M9 at none against RevLogic's 1. UMA M9 also leads on ads (none vs shown) and iOS requirement (11.0 vs 15.0). RevLogic's advantage is update cadence (daily vs every 6 weeks). On price and device support there is nothing between them.

Both are free to download. RevLogic sells 1 one-off in-app purchase. UMA M9 asks for nothing beyond the download.

UMA M9 ships an update every 6 weeks, RevLogic daily. The most recent releases landed on October 16, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | UMA M9 | RevLogic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/uma-m9/id6450772085/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Daily** |
| Monetization | Free | — |
| Size | 117 MB | 65 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [UMA RACING SDN. BHD.](https://appshunter.io/developer/1403287201) | [RHEINEL ROI MANALO](https://appshunter.io/developer/6794532265) |

## 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


### RevLogic

[App page](https://appshunter.io/ios/app/revlogic/id6794532263)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RevLogic Pro | $29.99 | one-time |


## Frequently asked questions

### Is UMA M9 free?

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

### Is RevLogic free?

RevLogic is free to download, with in-app purchases available.

### Do UMA M9 or RevLogic have ads?

RevLogic shows ads; UMA M9 does not.

### Which is updated more often, UMA M9 or RevLogic?

UMA M9 ships an update every 6 weeks, and RevLogic daily. Most recently, UMA M9 was updated on October 16, 2026 and RevLogic on October 1, 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.*