# Maximal Gym vs Bio51

The clearest difference is update cadence: Maximal Gym at every 4 weeks against Bio51's every 9 months. On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Maximal Gym against 5.0 for Bio51. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Maximal Gym ships an update every 4 weeks, Bio51 every 9 months. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Maximal Gym | Bio51 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/maximal-gym/id1590977698/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/bio51/id1626685118/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 9 months |
| Monetization | — | Free |
| Size | 51 MB | 59 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FITBEIS, OOO](https://appshunter.io/developer/1530906929) | [BYUTI, OOO (MUR)](https://appshunter.io/developer/1626685120) |

## What reviewers say

### Maximal Gym

[App page](https://appshunter.io/ios/app/maximal-gym/id1590977698)

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

**In-app purchases:** none


### Bio51

[App page](https://appshunter.io/ios/app/bio51/id1626685118)

Stay updated with the latest news and special offers. Book appointments with specialists quickly and easily. Get prompt information on promotions and services.

**Highlights:** News updates, Specialist appointment booking, Special offers information, Prompt service notifications

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Maximal Gym free?

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

### Is Bio51 free?

Bio51 is free to download, with no in-app purchases.

### Which has better reviews, Maximal Gym or Bio51?

Maximal Gym and Bio51 are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Maximal Gym or Bio51 have ads?

Neither Maximal Gym nor Bio51 shows ads.

### Which is updated more often, Maximal Gym or Bio51?

Maximal Gym ships an update every 4 weeks, and Bio51 every 9 months. Most recently, Maximal Gym was updated on October 24, 2026 and Bio51 on October 9, 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.*