# Interval Timer vs Fortera

The clearest difference is in-app purchases: Fortera at none against Interval Timer's 2. Fortera also leads on device support (4 vs 2) and iOS requirement (15.0 vs 26.0). On price and ads there is nothing between them.

Both are free to download. Interval Timer sells 2 in-app purchases, starting at $0.99 per 7 days. Fortera asks for nothing beyond the download.

## The numbers

| Metric | Interval Timer | Fortera |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 6 weeks |
| Size | 19 MB | 37 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Charles Chiejina](https://appshunter.io/developer/1160162008) | [Alexandr Degteari](https://appshunter.io/developer/1597066966) |

## What reviewers say

### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-tempo/id6771186750)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tempo Premium Weekly | $0.99 | per 7 days |
| Tempo Premium Lifetime | $5.99 | one-time |


### Fortera

[App page](https://appshunter.io/ios/app/fortera-strength-tracker/id6779951068)

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

**In-app purchases:** none


## Frequently asked questions

### Is Interval Timer free?

Interval Timer is free to download, with in-app purchases available.

### Is Fortera free?

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

### Do Interval Timer or Fortera have ads?

Neither Interval Timer nor Fortera 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.*