# Fullstand MAX vs UMA M9

Fullstand MAX and UMA M9 are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Fullstand MAX | UMA M9 |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | — | Every 6 weeks |
| Monetization | — | Free |
| Size | 35 MB | 117 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [ECU=SHOP](https://appshunter.io/developer/1389703440) | [UMA RACING SDN. BHD.](https://appshunter.io/developer/1403287201) |

## What reviewers say

### Fullstand MAX

[App page](https://appshunter.io/ios/app/fullstand-max/id6443930511)

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Fullstand MAX free?

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

### Is UMA M9 free?

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

### Do Fullstand MAX or UMA M9 have ads?

Neither Fullstand MAX nor UMA M9 shows ads.

---

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