# Optitrainer vs UNIT GYM

Optitrainer and UNIT GYM are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Optitrainer ships an update every 3 weeks, UNIT GYM fortnightly. The most recent releases landed on September 29, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Optitrainer | UNIT GYM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Size | 41 MB | 55 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Optitrainer](https://appshunter.io/developer/1503261302) | [SPORTIGO](https://appshunter.io/developer/1790225712) |

## What reviewers say

### Optitrainer

[App page](https://appshunter.io/ios/app/optitrainer/id1503261303)

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

**In-app purchases:** none


### UNIT GYM

[App page](https://appshunter.io/ios/app/unit-gym/id6749531531)

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

**In-app purchases:** none


## Frequently asked questions

### Is Optitrainer free?

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

### Is UNIT GYM free?

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

### Do Optitrainer or UNIT GYM have ads?

Neither Optitrainer nor UNIT GYM shows ads.

### Which is updated more often, Optitrainer or UNIT GYM?

Optitrainer ships an update every 3 weeks, and UNIT GYM fortnightly. Most recently, Optitrainer was updated on September 29, 2026 and UNIT GYM on September 30, 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.*