# Solid Performance vs Fithuis

The clearest difference is update cadence: Solid Performance at every 3 months against Fithuis's every 10 months. 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.

Solid Performance ships an update every 3 months, Fithuis every 10 months. The most recent releases landed on September 30, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Solid Performance | Fithuis |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 10 months |
| Size | 213 MB | 15 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Solid Performance](https://appshunter.io/developer/1609419230) | [Trainin](https://appshunter.io/developer/1732652497) |

## What reviewers say

### Solid Performance

[App page](https://appshunter.io/ios/app/solid-performance/id1609419228)

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

**In-app purchases:** none


### Fithuis

[App page](https://appshunter.io/ios/app/fithuis/id6755482177)

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

**In-app purchases:** none


## Frequently asked questions

### Is Solid Performance free?

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

### Is Fithuis free?

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

### Do Solid Performance or Fithuis have ads?

Neither Solid Performance nor Fithuis shows ads.

### Which is updated more often, Solid Performance or Fithuis?

Solid Performance ships an update every 3 months, and Fithuis every 10 months. Most recently, Solid Performance was updated on September 30, 2026 and Fithuis on October 1, 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.*