# RT Fit vs Nitro Athletic Complex

The clearest difference is update cadence: Nitro Athletic Complex at every 2 months against RT Fit's every 15 months. 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.

RT Fit ships an update every 15 months, Nitro Athletic Complex every 2 months. The most recent releases landed on October 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | RT Fit | Nitro Athletic Complex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (31 ratings)](https://appshunter.io/ios/app/nitro-athletic-complex/id6744453677/reviews)** |
| Number of ratings | — | **31** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 67 MB | 56 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ashbourne](https://appshunter.io/developer/1130933933) | [TeamUp Sports](https://appshunter.io/developer/1449504626) |

## What reviewers say

### RT Fit

[App page](https://appshunter.io/ios/app/rt-fit/id6474896511)

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

**In-app purchases:** none


### Nitro Athletic Complex

[App page](https://appshunter.io/ios/app/nitro-athletic-complex/id6744453677)

This app guides your health and fitness journey by allowing you to book classes online. It integrates with Apple Health to track daily steps, distance, and calories burned, and can import data from wearable devices.

**Highlights:** Online class booking, Apple Health integration, Step tracking, Distance tracking, Calorie tracking, Wearable device data import

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RT Fit free?

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

### Is Nitro Athletic Complex free?

Nitro Athletic Complex is free to download, with no in-app purchases.

### Do RT Fit or Nitro Athletic Complex have ads?

Neither RT Fit nor Nitro Athletic Complex shows ads.

### Which is updated more often, RT Fit or Nitro Athletic Complex?

RT Fit ships an update every 15 months, and Nitro Athletic Complex every 2 months. Most recently, RT Fit was updated on October 2, 2026 and Nitro Athletic Complex on October 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.*