# Speedometer vs 时空旅行表

The clearest difference is ads: 时空旅行表 at none against Speedometer's shown. 时空旅行表 also leads on update cadence (every 3 weeks vs every 5 months). Speedometer's advantage is device support (4 vs 2). On price, in-app purchases and iOS requirement there is nothing between them.

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

Speedometer ships an update every 5 months, 时空旅行表 every 3 weeks. The most recent releases landed on October 12, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Speedometer | 时空旅行表 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (196 ratings)](https://appshunter.io/ios/app/speedometer/id1525577729/reviews)** | — |
| Number of ratings | **196** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | Ad-supported | — |
| Size | 6 MB | 97 MB |
| Requires iOS | 13.0 | **12.4** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Matrix Software Co.](https://appshunter.io/developer/1457004046) | [TTCARWATCH(ZHUHAI)TECHNOLOGY CO.,LTD.](https://appshunter.io/developer/1713889722) |

## What reviewers say

### Speedometer

[App page](https://appshunter.io/ios/app/speedometer/id1525577729)

Enhance your driving experience with real-time road information. Get speed limit alerts, camera notifications, and track your average speed. Also displays weather, altitude, and compass readings.

**Highlights:** Display speed limit, Overspeed alerts, Speed camera locations, Average & maximum speed tracking, Current weather display, Compass and altitude

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### 时空旅行表

[App page](https://appshunter.io/ios/app/id6470622504)

**In-app purchases:** none


## Frequently asked questions

### Is Speedometer free?

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

### Is 时空旅行表 free?

时空旅行表 is free to download, with no in-app purchases.

### Do Speedometer or 时空旅行表 have ads?

Speedometer shows ads; 时空旅行表 does not.

### Which is updated more often, Speedometer or 时空旅行表?

Speedometer ships an update every 5 months, and 时空旅行表 every 3 weeks. Most recently, Speedometer was updated on October 12, 2026 and 时空旅行表 on October 3, 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.*