# ReFit vs Underdog Fit

The clearest difference is iOS requirement: Underdog Fit at 12.0 against ReFit's 14.0. On price, update cadence, 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.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on September 28, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | ReFit | Underdog Fit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Size | 51 MB | 46 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Santiago Barboza](https://appshunter.io/developer/1628912930) | [Sergio Andres Soto Arroyave](https://appshunter.io/developer/1705489729) |

## What reviewers say

### ReFit

[App page](https://appshunter.io/ios/app/refit/id6746353462)

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

**In-app purchases:** none


### Underdog Fit

[App page](https://appshunter.io/ios/app/underdog-fit/id6748322661)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ReFit free?

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

### Is Underdog Fit free?

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

### Do ReFit or Underdog Fit have ads?

Neither ReFit nor Underdog Fit shows ads.

### Which is updated more often, ReFit or Underdog Fit?

ReFit ships an update every 2 weeks, and Underdog Fit every 2 weeks. Most recently, ReFit was updated on September 28, 2026 and Underdog Fit on September 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*