# Gain. vs FITCOSI

The clearest difference is in-app purchases: Gain. at none against FITCOSI's 5. FITCOSI's advantage is update cadence (every 2 days vs every 9 days) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. FITCOSI sells 5 in-app purchases, starting at $3.99 per month. Gain. asks for nothing beyond the download.

Gain. ships an update every 9 days, FITCOSI every 2 days. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Gain. | FITCOSI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 2 days** |
| Size | 64 MB | 66 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Gain. Fitness GmbH](https://appshunter.io/developer/1831201712) | [Marko Svitlica](https://appshunter.io/developer/1681541992) |

## What reviewers say

### Gain.

[App page](https://appshunter.io/ios/app/gain/id6749566903)

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

**In-app purchases:** none


### FITCOSI

[App page](https://appshunter.io/ios/app/fitcosi/id6781761309)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fitcosi Premium – Monatlich | $3.99 | per month |
| FITCOSI Pro 3 Monate | $8.99 | per 3 months |
| 50 AI Tokens | $2.99 | one-time |
| 100 AI Tokens | $3.99 | one-time |
| 500 AI Tokens | $17.99 | one-time |


## Frequently asked questions

### Is Gain. free?

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

### Is FITCOSI free?

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

### Do Gain. or FITCOSI have ads?

Neither Gain. nor FITCOSI shows ads.

### Which is updated more often, Gain. or FITCOSI?

Gain. ships an update every 9 days, and FITCOSI every 2 days. Most recently, Gain. was updated on October 30, 2026 and FITCOSI on November 5, 2026.

---

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