# Tabata & HIIT Timer vs ReactLog

The clearest difference is update cadence: ReactLog at daily against Tabata & HIIT Timer's every 4 days. On price, ads, in-app purchases 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 and ReactLog sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Tabata & HIIT Timer ships an update every 4 days, ReactLog daily. Both last shipped on October 25, 2026.

## The numbers

| Metric | Tabata & HIIT Timer | ReactLog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/tabata-and-hiit-timer-peakvo2/id6532617265/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 16 MB | 9 MB |
| Requires iOS | 18.0 | **17.6** |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Cristian Serb](https://appshunter.io/developer/294833680) | [Luke Thompson](https://appshunter.io/developer/1889062047) |

## 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 |


### ReactLog

[App page](https://appshunter.io/ios/app/reactlog/id6761349662)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ReactLog Premium Monthly | $2.99 | per month |
| ReactLog Premium Annual | $29.99 | per year |


## Frequently asked questions

### Is Tabata & HIIT Timer free?

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

### Is ReactLog free?

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

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

Neither Tabata & HIIT Timer nor ReactLog shows ads.

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

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