# StepUp vs Nitro Athletic Complex

The clearest difference is in-app purchases: Nitro Athletic Complex at none against StepUp's 1. Nitro Athletic Complex also leads on iOS requirement (14.0 vs 18.2). StepUp's advantage is update cadence (daily vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. StepUp sells 1 in-app purchase, starting at $0.99 per month. Nitro Athletic Complex asks for nothing beyond the download.

StepUp ships an update daily, Nitro Athletic Complex every 2 months. The most recent releases landed on October 3, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | StepUp | Nitro Athletic Complex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (26 ratings)](https://appshunter.io/ios/app/nitro-athletic-complex/id6744453677/reviews)** |
| Number of ratings | — | **26** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Every 2 months |
| Monetization | — | Free |
| Size | 18 MB | 56 MB |
| Requires iOS | 18.2 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Atrus Ltd](https://appshunter.io/developer/1788121504) | [TeamUp Sports](https://appshunter.io/developer/1449504626) |

## What reviewers say

### StepUp

[App page](https://appshunter.io/ios/app/stepup-social-step-counter/id6743130490)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StepUp Monthly | $0.99 | per month |


### 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 StepUp free?

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

### Is Nitro Athletic Complex free?

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

### Do StepUp or Nitro Athletic Complex have ads?

Neither StepUp nor Nitro Athletic Complex shows ads.

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

StepUp ships an update daily, and Nitro Athletic Complex every 2 months. Most recently, StepUp was updated on October 3, 2026 and Nitro Athletic Complex on October 4, 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.*