# Simple GPS Speedometer vs Overtrain

The clearest difference is review sentiment: Overtrain at 50% against Simple GPS Speedometer's 0%. Overtrain also leads on update cadence (weekly vs every 3 weeks). Simple GPS Speedometer's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 26.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Simple GPS Speedometer ships an update every 3 weeks, Overtrain weekly. The most recent releases landed on October 14, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Simple GPS Speedometer | Overtrain |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free | Free |
| Size | 28 MB | 48 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [YUJI KANEKO](https://appshunter.io/developer/1887235022) | [Justin Xin](https://appshunter.io/developer/1423154796) |

## What reviewers say

### Simple GPS Speedometer

[App page](https://appshunter.io/ios/app/simple-gps-speedometer/id6761005467)

This app transforms your iPhone into a real-time GPS speedometer, ideal for tracking speeds during various modes of transport. It offers multiple measurement modes, display options, and detailed tracking of speed, distance, and time.

**Highlights:** Real-time speed display (km/h or mph), Automatic unit detection, Four measurement modes (Walking, Car/Train, Bullet Train, Airplane), Analog and digital display options, Max speed, distance, and time tracking, Live speed graph, Dark and light themes

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

**In-app purchases:** none


### Overtrain

[App page](https://appshunter.io/ios/app/overtrain/id6761235701)

This app simulates an in-train LCD display to show your current location, next station, and upcoming stops. It allows for journey planning, offers various display styles, and provides Live Activities for lock screen updates.

**Highlights:** Simulated LCD panel display, Live Activities for Lock Screen, Journey planning and route saving, Customizable LCD panel styles, Picture-in-Picture mode, Customizable and importable train lines

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

**In-app purchases:** none


## Frequently asked questions

### Is Simple GPS Speedometer free?

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

### Is Overtrain free?

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

### Do Simple GPS Speedometer or Overtrain have ads?

Neither Simple GPS Speedometer nor Overtrain shows ads.

### Which is updated more often, Simple GPS Speedometer or Overtrain?

Simple GPS Speedometer ships an update every 3 weeks, and Overtrain weekly. Most recently, Simple GPS Speedometer was updated on October 14, 2026 and Overtrain on October 13, 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.*