# speedo[kilo]meter vs FormatX

The clearest difference is rating: FormatX at 4.6 against speedo[kilo]meter's 3.7. FormatX also leads on update cadence (every 2 months vs every 37 months). speedo[kilo]meter's advantage is in-app purchases (none vs 3) and iOS requirement (10.0 vs 17.0). On price, ratings volume, ads and monetization model there is nothing between them.

Both are free to download. FormatX sells 3 in-app purchases, starting at $0.29 per 7 days. speedo[kilo]meter asks for nothing beyond the download.

FormatX holds the better App Store score, 4.6 against 3.7. Both are backed by a comparable volume of ratings — 19 and 10 respectively.

speedo[kilo]meter ships an update every 37 months, FormatX every 2 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | speedo[kilo]meter | FormatX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (19 ratings)](https://appshunter.io/ios/app/speedokilometer/id1228840413/reviews) | **[4.6 (10 ratings)](https://appshunter.io/ios/app/formatx-video-audio-converter/id6468912985/reviews)** |
| Number of ratings | **19** | 10 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 37 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 14 MB | 94 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [albertopasca.it](https://appshunter.io/developer/464579580) | [阳 刘](https://appshunter.io/developer/1616314142) |

## What reviewers say

### speedo[kilo]meter

[App page](https://appshunter.io/ios/app/speedokilometer/id1228840413)

Track your speed with this straightforward speedometer app. Easily switch between units like km/h and mph, and record your highest speeds for different modes of transport. It's designed for simplicity and ease of use.

**Highlights:** Real-time speed tracking, Switchable units (km/h, mph), Store maximum speeds, Supports various transport modes, Simple and intuitive interface

**Features:** macOS Compatibility

**In-app purchases:** none


### FormatX

[App page](https://appshunter.io/ios/app/formatx-video-audio-converter/id6468912985)

This app is a comprehensive tool for converting and editing video, audio, and image files. It offers features like compression, extraction, merging, and format adjustments for a wide range of media types.

**Highlights:** Video format conversion, Audio format conversion, Image format conversion, Audio extraction from video, Video compression, Video and audio editing, GIF creation from video

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Week | $0.29 | per 7 days |
| 1 Month | $0.99 | per month |
| 1 Year | $9.99 | per year |


## Frequently asked questions

### Is speedo[kilo]meter free?

speedo[kilo]meter is free to download, with no in-app purchases.

### Is FormatX free?

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

### Which has better reviews, speedo[kilo]meter or FormatX?

FormatX is rated higher. speedo[kilo]meter averages 3.7 out of 5 from 19 ratings, while FormatX averages 4.6 from 10 ratings.

### Do speedo[kilo]meter or FormatX have ads?

Neither speedo[kilo]meter nor FormatX shows ads.

### Which is updated more often, speedo[kilo]meter or FormatX?

speedo[kilo]meter ships an update every 37 months, and FormatX every 2 months. Most recently, speedo[kilo]meter was updated on October 24, 2026 and FormatX on October 24, 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.*