# Tabata & HIIT Interval Timer vs Interval Flow

The clearest difference is in-app purchases: Tabata & HIIT Interval Timer at none against Interval Flow's 10. Tabata & HIIT Interval Timer also leads on review sentiment (78% vs 48%) and iOS requirement (13.0 vs 18.6). Interval Flow's advantage is ads (none vs shown) and update cadence (fortnightly vs every 4 months). On price, rating, ratings volume and device support there is nothing between them.

Both are free to download. Interval Flow sells 10 in-app purchases, starting at $4.99 per 3 months. Tabata & HIIT Interval Timer asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for Tabata & HIIT Interval Timer against 4.7 for Interval Flow. Both are backed by a comparable volume of ratings — 239 and 168 respectively. Written reviews are what separate them: 78% of Tabata & HIIT Interval Timer's written reviews are positive against 48% of Interval Flow's.

Tabata & HIIT Interval Timer ships an update every 4 months, Interval Flow fortnightly. The most recent releases landed on September 30, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | Tabata & HIIT Interval Timer | Interval Flow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (239 ratings)](https://appshunter.io/ios/app/tabata-and-hiit-interval-timer/id1166542235/reviews)** | [4.7 (168 ratings)](https://appshunter.io/ios/app/interval-flow-wod-timer/id6444124987/reviews) |
| Number of ratings | **239** | 168 |
| Positive reviews | **77.8% of reviews** | 48.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | **Ad-supported** | Subscription |
| Size | 48 MB | 20 MB |
| Requires iOS | **13.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Takahiro Torii](https://appshunter.io/developer/1048814905) | [Bence Kaposzta](https://appshunter.io/developer/1650069302) |

## What reviewers say

### Tabata & HIIT Interval Timer

[App page](https://appshunter.io/ios/app/tabata-and-hiit-interval-timer/id1166542235)

This app functions as a versatile timer for high-intensity interval training (HIIT) and Tabata workouts. It guides users through structured exercise and rest periods, making it easy to follow popular interval training methods for effective, short-duration fitness sessions.

**Highlights:** Tabata timer, Interval timer, HIIT workout guidance, Structured exercise/rest periods, Customizable training

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

**In-app purchases:** none


### Interval Flow

[App page](https://appshunter.io/ios/app/interval-flow-wod-timer/id6444124987)

This app revolutionizes fitness routines with deep customization and advanced tracking for various activities like HIIT, Yoga, and CrossFit. It allows users to create, share, and follow personalized workouts with features like color-coded intervals, real-time progress tracking, and voice assistance.

**Highlights:** Color-coded intervals, Customizable circuits, Real-time progress tracking, Voice assist and search, Exercise library, Workout sharing

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3 Month | $4.99 | per 3 months |
| 1 Month | $9.99 | per month |
| 1 Month, 3 day trial | $9.99 | per month |
| Annual | $14.99 | per year |
| 1 Year discounted | $25.95 | per year |
| 1 Year, 3 day trial | $39.99 | per year |
| 1 Year | $39.99 | per year |
| 1 Year Intro month | $39.99 | per year |
| Free Lifetime subscription | Free | one-time |
| Lifetime | $24.99 | one-time |


## Frequently asked questions

### Is Tabata & HIIT Interval Timer free?

Tabata & HIIT Interval Timer is free to download, with no in-app purchases.

### Is Interval Flow free?

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

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

Tabata & HIIT Interval Timer is rated higher. Tabata & HIIT Interval Timer averages 4.8 out of 5 from 239 ratings, while Interval Flow averages 4.7 from 168 ratings.

### Do Tabata & HIIT Interval Timer or Interval Flow have ads?

Tabata & HIIT Interval Timer shows ads; Interval Flow does not.

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

Tabata & HIIT Interval Timer ships an update every 4 months, and Interval Flow fortnightly. Most recently, Tabata & HIIT Interval Timer was updated on September 30, 2026 and Interval Flow on September 5, 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.*