# TFW Heidelberg vs Interval Timer Workout App

The clearest difference is iOS requirement: Interval Timer Workout App at 10.0 against TFW Heidelberg's 13.0. 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 | TFW Heidelberg | Interval Timer Workout App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 41 MB | 84 MB |
| Requires iOS | 13.0 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Michael Muench](https://appshunter.io/developer/1506030137) | [Leticia Vila](https://appshunter.io/developer/1609278510) |

## What reviewers say

### TFW Heidelberg

[App page](https://appshunter.io/ios/app/tfw-heidelberg/id1506030138)

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

**In-app purchases:** none


### Interval Timer Workout App

[App page](https://appshunter.io/ios/app/interval-timer-workout-app/id1617336157)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TFW Heidelberg free?

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

### Is Interval Timer Workout App free?

Interval Timer Workout App is free to download, with no in-app purchases.

### Do TFW Heidelberg or Interval Timer Workout App have ads?

Neither TFW Heidelberg nor Interval Timer Workout App 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.*