# Heidi Workout Timer vs mito

The clearest difference is in-app purchases: Heidi Workout Timer at none against mito's 4. Heidi Workout Timer also leads on iOS requirement (12.4 vs 18.0). mito's advantage is update cadence (weekly vs fortnightly). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. mito sells 4 one-off in-app purchases. Heidi Workout Timer asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Heidi Workout Timer against 5.0 for mito. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Heidi Workout Timer ships an update fortnightly, mito weekly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Heidi Workout Timer | mito |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/heidi-workout-timer/id6450010213/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/mito-fasting-biology/id6754006382/reviews) |
| Number of ratings | 1 | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 12 MB | 45 MB |
| Requires iOS | **12.4** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [HIJO DIGITAL LTD](https://appshunter.io/developer/1691527420) | [Marina Bohlem](https://appshunter.io/developer/1754364669) |

## What reviewers say

### Heidi Workout Timer

[App page](https://appshunter.io/ios/app/heidi-workout-timer/id6450010213)

This interval timer helps you manage workout durations for exercises, rest, and recovery. It supports various training styles like HIIT, Pilates, and Yoga, with customizable timers and clear visual cues. The app offers a large display, workout history, and language options.

**Highlights:** Customizable interval timers, Supports HIIT, Pilates, Tabata, Yoga, Sound and vibration alerts, Large, readable display, Workout history tracking, Light and dark mode options

**Features:** macOS Compatibility

**In-app purchases:** none


### mito

[App page](https://appshunter.io/ios/app/mito-fasting-biology/id6754006382)

This app visualizes the metabolic stages of fasting, explaining the biological processes occurring within your body. It goes beyond simple hour tracking to offer animated insights and educational articles about fasting and metabolism. Track your history, identify patterns, and make notes on your fasting experiences.

**Highlights:** Animated metabolic stages, Visual explanations of fasting, Articles on fasting biology, Fasting history tracking, Notes for observations, Structured fasting plans, Home Screen widgets

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| coffee tip | $1.00 | one-time |
| lunch tip | $3.00 | one-time |
| extra support | $5.00 | one-time |
| lifetime access | $6.00 | one-time |


## Frequently asked questions

### Is Heidi Workout Timer free?

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

### Is mito free?

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

### Which has better reviews, Heidi Workout Timer or mito?

Heidi Workout Timer and mito are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do Heidi Workout Timer or mito have ads?

Neither Heidi Workout Timer nor mito shows ads.

### Which is updated more often, Heidi Workout Timer or mito?

Heidi Workout Timer ships an update fortnightly, and mito weekly. Most recently, Heidi Workout Timer was updated on November 3, 2026 and mito on October 30, 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.*