# Flat Speedometer vs 禹州行

The clearest difference is review sentiment: Flat Speedometer at 67% against 禹州行's 20%. Flat Speedometer also leads on device support (4 vs 2). 禹州行's advantage is in-app purchases (none vs 2). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. Flat Speedometer sells 2 one-off in-app purchases. 禹州行 asks for nothing beyond the download.

Flat Speedometer ships an update every 5 months, 禹州行 every 3 months. The most recent releases landed on June 3, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | Flat Speedometer | 禹州行 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/flat-speedometer/id900609236/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **66.7% of reviews** | 20.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 months** |
| Monetization | Free with in-app purchases | — |
| Size | 32 MB | 38 MB |
| Requires iOS | 9.0 | **8.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Axel Backlund](https://appshunter.io/developer/1387836438) | [Zhengzhou Tiamaes Technology Co., Ltd](https://appshunter.io/developer/1516763493) |

## What reviewers say

### Flat Speedometer

[App page](https://appshunter.io/ios/app/flat-speedometer/id900609236)

This app provides a clear and simple way to view your current speed in various units. It offers a HUD mode for easy in-car viewing and a feature to track your top speed. Additional sensors like accelerometer and altimeter are available via in-app purchases.

**Highlights:** Multiple speed units (mph, km/h, knots, m/s), HUD mode for car use, Top speed tracking, Ad-free experience, Accelerometer (in-app purchase), Altimeter (in-app purchase)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Altitude | $0.99 | one-time |
| Accelerometer | $0.99 | one-time |


### 禹州行

[App page](https://appshunter.io/ios/app/id1184840800)

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

**In-app purchases:** none


## Frequently asked questions

### Is Flat Speedometer free?

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

### Is 禹州行 free?

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

### Do Flat Speedometer or 禹州行 have ads?

Neither Flat Speedometer nor 禹州行 shows ads.

### Which is updated more often, Flat Speedometer or 禹州行?

Flat Speedometer ships an update every 5 months, and 禹州行 every 3 months. Most recently, Flat Speedometer was updated on June 3, 2026 and 禹州行 on September 6, 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.*