# Gymm 3D vs Biofoton 2

The clearest difference is update cadence: Biofoton 2 at fortnightly against Gymm 3D's every 7 months. Gymm 3D's advantage is iOS requirement (12.0.0 vs 15.1). 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.

Gymm 3D ships an update every 7 months, Biofoton 2 fortnightly. The most recent releases landed on October 14, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Gymm 3D | Biofoton 2 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Fortnightly** |
| Size | 37 MB | 58 MB |
| Requires iOS | **12.0.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [low cost antracita sl](https://appshunter.io/developer/1446451915) | [Silversalud](https://appshunter.io/developer/1531298685) |

## What reviewers say

### Gymm 3D

[App page](https://appshunter.io/ios/app/gymm-3d/id1353075972)

**Features:** macOS Compatibility

**In-app purchases:** none


### Biofoton 2

[App page](https://appshunter.io/ios/app/biofoton-2/id1540559778)

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

**In-app purchases:** none


## Frequently asked questions

### Is Gymm 3D free?

Gymm 3D is free to download, with no in-app purchases.

### Is Biofoton 2 free?

Biofoton 2 is free to download, with no in-app purchases.

### Do Gymm 3D or Biofoton 2 have ads?

Neither Gymm 3D nor Biofoton 2 shows ads.

### Which is updated more often, Gymm 3D or Biofoton 2?

Gymm 3D ships an update every 7 months, and Biofoton 2 fortnightly. Most recently, Gymm 3D was updated on October 14, 2026 and Biofoton 2 on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*