# Interval Trainer vs Back Restore

The clearest difference is in-app purchases: Interval Trainer at none against Back Restore's 2. Back Restore's advantage is update cadence (every 4 months vs every 15 months) and iOS requirement (13.0 vs 16.4). On price, ads and device support there is nothing between them.

Both are free to download. Back Restore sells 2 in-app purchases, starting at $2.99 per month. Interval Trainer asks for nothing beyond the download.

Interval Trainer ships an update every 15 months, Back Restore every 4 months. The most recent releases landed on September 28, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Interval Trainer | Back Restore |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 4 months** |
| Size | 40 MB | 440 MB |
| Requires iOS | 16.4 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Luke Taylor](https://appshunter.io/developer/1609194513) | [Jayne McDonald](https://appshunter.io/developer/1758736697) |

## What reviewers say

### Interval Trainer

[App page](https://appshunter.io/ios/app/interval-trainer/id6477546684)

**Features:** macOS Compatibility

**In-app purchases:** none


### Back Restore

[App page](https://appshunter.io/ios/app/back-restore/id6566191003)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Access | $2.99 | per month |
| All Access | $14.99 | per year |


## Frequently asked questions

### Is Interval Trainer free?

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

### Is Back Restore free?

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

### Do Interval Trainer or Back Restore have ads?

Neither Interval Trainer nor Back Restore shows ads.

### Which is updated more often, Interval Trainer or Back Restore?

Interval Trainer ships an update every 15 months, and Back Restore every 4 months. Most recently, Interval Trainer was updated on September 28, 2026 and Back Restore on October 6, 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.*