# Unofit vs PeakInterval

The clearest difference is update cadence: PeakInterval at every 4 days against Unofit's every 2 weeks. 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.

Unofit ships an update every 2 weeks, PeakInterval every 4 days. The most recent releases landed on October 5, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Unofit | PeakInterval |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Size | 37 MB | 5 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Rostyslav Martynenko](https://appshunter.io/developer/1635531631) | [OANA RINALDI](https://appshunter.io/developer/1709880614) |

## What reviewers say

### Unofit

[App page](https://appshunter.io/ios/app/unofit/id6742747154)

**Features:** macOS Compatibility

**In-app purchases:** none


### PeakInterval

[App page](https://appshunter.io/ios/app/peakinterval-hiit-timer/id6790185600)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Unofit free?

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

### Is PeakInterval free?

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

### Do Unofit or PeakInterval have ads?

Neither Unofit nor PeakInterval shows ads.

### Which is updated more often, Unofit or PeakInterval?

Unofit ships an update every 2 weeks, and PeakInterval every 4 days. Most recently, Unofit was updated on October 5, 2026 and PeakInterval on October 8, 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.*