# DuckGPS vs 速度計

The clearest difference is price: 速度計 at Free against DuckGPS's $4.99. 速度計 also leads on iOS requirement (15.6 vs 17.6). DuckGPS's advantage is in-app purchases (none vs 4) and ads (none vs shown). On update cadence and device support there is nothing between them.

速度計 is free to download; DuckGPS costs $4.99 up front. 速度計 sells 4 one-off in-app purchases. DuckGPS asks for nothing beyond the download.

DuckGPS ships an update every 3 months, 速度計 every 4 months. The most recent releases landed on October 4, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | DuckGPS | 速度計 |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.8 (16 ratings)](https://appshunter.io/ios/app/duckgps-gps-speed-tracker/id1478904971/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Paid | — |
| Size | 27 MB | 65 MB |
| Requires iOS | 17.6 | **15.6** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [欣明 封](https://appshunter.io/developer/1473431377) | [hidehiko aihara](https://appshunter.io/developer/1178520609) |

## What reviewers say

### DuckGPS

[App page](https://appshunter.io/ios/app/duckgps-gps-speed-tracker/id1478904971)

This navigation app features a customizable duck avatar that visually represents your speed with a spinning propeller. It offers 360° rotation and a night mode for comfortable viewing. Always prioritize safe driving and obey traffic laws.

**Highlights:** Customizable duck avatar, Realistic propeller speed indicator, 360° free rotation, Dedicated Night Mode, Continuous GPS usage for speed tracking

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is DuckGPS free?

DuckGPS costs $4.99, with no in-app purchases.

### Is 速度計 free?

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

### Do DuckGPS or 速度計 have ads?

速度計 shows ads; DuckGPS does not.

### Which is updated more often, DuckGPS or 速度計?

DuckGPS ships an update every 3 months, and 速度計 every 4 months. Most recently, DuckGPS was updated on October 4, 2026 and 速度計 on October 14, 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.*