# progressive overloading vs Flux

The clearest difference is in-app purchases: progressive overloading at none against Flux's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Flux sells 2 in-app purchases, starting at $19.99 per month. progressive overloading asks for nothing beyond the download.

progressive overloading ships an update every 3 weeks, Flux every 6 weeks. The most recent releases landed on October 7, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | progressive overloading | Flux |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Size | 41 MB | 40 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Habibullah Yousofi](https://appshunter.io/developer/1879058266) | [Anthony Awdi](https://appshunter.io/developer/1890533867) |

## What reviewers say

### progressive overloading

[App page](https://appshunter.io/ios/app/progressive-overloading/id6759499451)

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

**In-app purchases:** none


### Flux

[App page](https://appshunter.io/ios/app/flux-men-cycle-tracker/id6761628489)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flux Premium | $19.99 | per month |
| Flux Premium | $119.99 | per year |


## Frequently asked questions

### Is progressive overloading free?

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

### Is Flux free?

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

### Do progressive overloading or Flux have ads?

Neither progressive overloading nor Flux shows ads.

### Which is updated more often, progressive overloading or Flux?

progressive overloading ships an update every 3 weeks, and Flux every 6 weeks. Most recently, progressive overloading was updated on October 7, 2026 and Flux on September 27, 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.*