# Recovery+ vs 4x4 Timer Interval Training

The clearest difference is iOS requirement: 4x4 Timer Interval Training at 13.0 against Recovery+'s 15.6. 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.

## The numbers

| Metric | Recovery+ | 4x4 Timer Interval Training |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (1 ratings)](https://appshunter.io/ios/app/4x4-timer-interval-training/id6759710803/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Monetization | — | Free |
| Size | 72 MB | 12 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Xoda Pty Ltd](https://appshunter.io/developer/1662306656) | [Kesem Solutions Pty Ltd](https://appshunter.io/developer/1751494198) |

## What reviewers say

### Recovery+

[App page](https://appshunter.io/ios/app/recovery-plus/id6752519740)

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

**In-app purchases:** none


### 4x4 Timer Interval Training

[App page](https://appshunter.io/ios/app/4x4-timer-interval-training/id6759710803)

This app provides a simple, distraction-free interval timer for the Norwegian 4x4 training protocol. It guides users through 4 minutes of intense effort followed by 4 minutes of rest, repeated four times, to improve cardiovascular fitness and VO₂ max. The minimal interface ensures focus on the workout.

**Highlights:** Simple 4x4 interval timer, Clear ON/OFF phase guidance, Optional sound cues, Large, easy-to-read timer, Session progress tracking, Minimal interface

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

**In-app purchases:** none


## Frequently asked questions

### Is Recovery+ free?

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

### Is 4x4 Timer Interval Training free?

4x4 Timer Interval Training is free to download, with no in-app purchases.

### Do Recovery+ or 4x4 Timer Interval Training have ads?

Neither Recovery+ nor 4x4 Timer Interval Training shows ads.

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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.*