# Checkup vs Fastsound

The clearest difference is update cadence: Checkup at every 2 weeks against Fastsound's every 6 months. Fastsound's advantage is iOS requirement (13.0 vs 15). On price, ads, in-app purchases and device support there is nothing between them.

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

Checkup ships an update every 2 weeks, Fastsound every 6 months. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Checkup | Fastsound |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 months |
| Size | 40 MB | 19 MB |
| Requires iOS | 15 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [dev it developers](https://appshunter.io/developer/1545405717) | [杭州发声者声学科技有限公司](https://appshunter.io/developer/1894757529) |

## What reviewers say

### Checkup

[App page](https://appshunter.io/ios/app/checkup-phone-diagnostics/id6753020675)

**In-app purchases:** none


### Fastsound

[App page](https://appshunter.io/ios/app/fastsound/id6762584727)

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

**In-app purchases:** none


## Frequently asked questions

### Is Checkup free?

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

### Is Fastsound free?

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

### Do Checkup or Fastsound have ads?

Neither Checkup nor Fastsound shows ads.

### Which is updated more often, Checkup or Fastsound?

Checkup ships an update every 2 weeks, and Fastsound every 6 months. Most recently, Checkup was updated on October 24, 2026 and Fastsound on October 28, 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.*