# Complex Fit vs NewtonGym

The clearest difference is update cadence: Complex Fit at every 9 days against NewtonGym's every 3 months. Complex Fit also leads on iOS requirement (11.0 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.

Complex Fit ships an update every 9 days, NewtonGym every 3 months. The most recent releases landed on September 19, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Complex Fit | NewtonGym |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 months |
| Size | 63 MB | 51 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Digital Real Marketing](https://appshunter.io/developer/1641709517) | [BSPORT](https://appshunter.io/developer/1356621553) |

## What reviewers say

### Complex Fit

[App page](https://appshunter.io/ios/app/complex-fit/id1660929120)

**Features:** macOS Compatibility

**In-app purchases:** none


### NewtonGym

[App page](https://appshunter.io/ios/app/newtongym/id6746161663)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Complex Fit free?

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

### Is NewtonGym free?

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

### Do Complex Fit or NewtonGym have ads?

Neither Complex Fit nor NewtonGym shows ads.

### Which is updated more often, Complex Fit or NewtonGym?

Complex Fit ships an update every 9 days, and NewtonGym every 3 months. Most recently, Complex Fit was updated on September 19, 2026 and NewtonGym on September 14, 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.*