# Challlengers vs CoreFlow

The clearest difference is update cadence: CoreFlow at every 2 days against Challlengers's every 3 weeks. CoreFlow also leads on device support (3 vs 1) and iOS requirement (15.1 vs 18.6). On price, ads and in-app purchases there is nothing between them.

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

Challlengers ships an update every 3 weeks, CoreFlow every 2 days. The most recent releases landed on October 19, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Challlengers | CoreFlow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Size | 39 MB | 37 MB |
| Requires iOS | 18.6 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [JUNGWON JUNG](https://appshunter.io/developer/1859645201) | [DANIEL LEONARDO DE LIMA SOARES](https://appshunter.io/developer/1830698830) |

## What reviewers say

### Challlengers

[App page](https://appshunter.io/ios/app/challlengers/id6758675338)

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

**In-app purchases:** none


### CoreFlow

[App page](https://appshunter.io/ios/app/coreflow-ai-personal-trainer/id6760956674)

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

**In-app purchases:** none


## Frequently asked questions

### Is Challlengers free?

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

### Is CoreFlow free?

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

### Do Challlengers or CoreFlow have ads?

Neither Challlengers nor CoreFlow shows ads.

### Which is updated more often, Challlengers or CoreFlow?

Challlengers ships an update every 3 weeks, and CoreFlow every 2 days. Most recently, Challlengers was updated on October 19, 2026 and CoreFlow on October 18, 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.*