# ProoFIT vs LyteFast

The clearest difference is in-app purchases: ProoFIT at none against LyteFast's 6. ProoFIT also leads on update cadence (every 3 weeks vs every 2 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. LyteFast sells 6 in-app purchases, starting at $0.99 per 7 days. ProoFIT asks for nothing beyond the download.

ProoFIT ships an update every 3 weeks, LyteFast every 2 months. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | ProoFIT | LyteFast |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 418 MB | 61 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [PROOF NUTRITION LTD OOD](https://appshunter.io/developer/1737594121) | [Stephane Sprauer](https://appshunter.io/developer/1843257989) |

## What reviewers say

### ProoFIT

[App page](https://appshunter.io/ios/app/proofit/id6740689973)

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

**In-app purchases:** none


### LyteFast

[App page](https://appshunter.io/ios/app/lytefast/id6753265477)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly premium access | $0.99 | per 7 days |
| Monthly premium access | $2.99 | per month |
| Weekly LyteFast AI Add-On | $4.99 | per 7 days |
| Monthly LyteFast AI Add-On | $14.99 | per month |
| Yearly premium access | $23.99 | per year |
| Yearly LyteFast AI Add-On | $149.99 | per year |


## Frequently asked questions

### Is ProoFIT free?

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

### Is LyteFast free?

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

### Do ProoFIT or LyteFast have ads?

Neither ProoFIT nor LyteFast shows ads.

### Which is updated more often, ProoFIT or LyteFast?

ProoFIT ships an update every 3 weeks, and LyteFast every 2 months. Most recently, ProoFIT was updated on October 2, 2026 and LyteFast 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.*