# 速度計 vs Simple GPS Speedometer

The clearest difference is in-app purchases: Simple GPS Speedometer at none against 速度計's 4. Simple GPS Speedometer also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 4 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 速度計 sells 4 one-off in-app purchases. Simple GPS Speedometer asks for nothing beyond the download.

速度計 ships an update every 4 months, Simple GPS Speedometer every 3 weeks. The most recent releases landed on September 13, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | 速度計 | Simple GPS Speedometer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 65 MB | 28 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [hidehiko aihara](https://appshunter.io/developer/1178520609) | [YUJI KANEKO](https://appshunter.io/developer/1887235022) |

## What reviewers say

### 速度計

[App page](https://appshunter.io/ios/app/speedmeter/id1641293313)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee (Regular) | $0.49 | one-time |
| アプリケーション開発者への応援募金 | $1.99 | one-time |
| Coffee (Large) | $1.99 | one-time |
| Cake Set | $5.99 | one-time |


### 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


## Frequently asked questions

### Is 速度計 free?

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

### Is Simple GPS Speedometer free?

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

### Do 速度計 or Simple GPS Speedometer have ads?

速度計 shows ads; Simple GPS Speedometer does not.

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

速度計 ships an update every 4 months, and Simple GPS Speedometer every 3 weeks. Most recently, 速度計 was updated on September 13, 2026 and Simple GPS Speedometer on September 22, 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.*