# Tabata & HIIT Timer vs Intervall

The clearest difference is in-app purchases: Intervall at none against Tabata & HIIT Timer's 6. Tabata & HIIT Timer's advantage is update cadence (every 4 days vs monthly) and ratings volume (4 vs 1). On price, rating, ads and device support there is nothing between them.

Both are free to download. Tabata & HIIT Timer sells 6 in-app purchases, starting at $0.99 per month. Intervall asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Tabata & HIIT Timer against 5.0 for Intervall. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

Tabata & HIIT Timer ships an update every 4 days, Intervall monthly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Tabata & HIIT Timer | Intervall |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/tabata-and-hiit-timer-peakvo2/id6532617265/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/intervall/id6760841694/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 16 MB | 4 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone, Apple Watch | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Cristian Serb](https://appshunter.io/developer/294833680) | [Ruben Musca](https://appshunter.io/developer/1885574171) |

## What reviewers say

### Tabata & HIIT Timer

[App page](https://appshunter.io/ios/app/tabata-and-hiit-timer-peakvo2/id6532617265)

This app provides science-backed interval training protocols to improve cardiovascular fitness and long-term health. It guides users through warm-ups, work intervals, and cool-downs with customizable timers and activity tracking.

**Highlights:** Science-backed interval protocols (Norwegian 4x4, Tabata, HIIT), Color-coded workout timer with phase transitions, Activity tracking with streaks and progress, Supports running, cycling, rowing, and indoor cardio, Fitness age estimation

**Features:** Apple Watch app

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited | $0.99 | per month |
| Unlimited | $3.99 | per month |
| Unlimited | $4.99 | per 3 months |
| Unlimited | $8.99 | per year |
| Unlimited | $11.99 | per 6 months |
| Lifetime | $17.99 | one-time |


### Intervall

[App page](https://appshunter.io/ios/app/intervall/id6760841694)

Create and run custom interval training routines with a clear, legible timer. This app syncs with Apple Watch to display heart rate and control workouts, and can save data to Apple Health.

**Highlights:** Custom interval workouts, Save and reuse workouts, Large, readable timer, Apple Watch mirroring, Watch controls, Live heart rate display, Apple Health integration

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Tabata & HIIT Timer free?

Tabata & HIIT Timer is free to download, with in-app purchases available.

### Is Intervall free?

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

### Which has better reviews, Tabata & HIIT Timer or Intervall?

Tabata & HIIT Timer and Intervall are both rated 5.0 out of 5 on the App Store, from 4 and 1 ratings respectively.

### Do Tabata & HIIT Timer or Intervall have ads?

Neither Tabata & HIIT Timer nor Intervall shows ads.

### Which is updated more often, Tabata & HIIT Timer or Intervall?

Tabata & HIIT Timer ships an update every 4 days, and Intervall monthly. Most recently, Tabata & HIIT Timer was updated on October 25, 2026 and Intervall on October 24, 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.*