# HIIT Interval Timer vs BellBlock

The clearest difference is ads: BellBlock at none against HIIT Interval Timer's shown. BellBlock also leads on update cadence (every 2 days vs fortnightly). HIIT Interval Timer's advantage is iOS requirement (15.0 vs 18.0). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. HIIT Interval Timer sells 1 one-off in-app purchase and BellBlock sells 1 in-app purchase, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

HIIT Interval Timer ships an update fortnightly, BellBlock every 2 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | HIIT Interval Timer | BellBlock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/bellblock-tabata-and-hiit-timer/id6816233980/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 2 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 107 MB | 1 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [tsyk-app](https://appshunter.io/developer/1586870924) | [John Barney](https://appshunter.io/developer/1703993755) |

## What reviewers say

### HIIT Interval Timer

[App page](https://appshunter.io/ios/app/hiit-interval-timer-tabata/id1586870922)

This app provides customizable interval timers for various workout styles like HIIT, Tabata, EMOM, and AMRAP. It offers structured programs, progress tracking, and motivational reminders to help users achieve their fitness goals. Users can save custom presets and track their performance over time.

**Highlights:** Customizable interval timers, HIIT, Tabata, EMOM, AMRAP modes, Structured 4-week programs, Workout reminders and goal tracking, Save custom presets, Calorie estimation, Progress statistics and calendar

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HIIT Timer Pro | $4.99 | one-time |


### BellBlock

[App page](https://appshunter.io/ios/app/bellblock-tabata-and-hiit-timer/id6816233980)

Create custom Tabata and HIIT workouts with adjustable work, rest, and round times. Features a large gym clock, sound cues, and haptic feedback for effective training. Save routines and track completed sessions, with screen-awake functionality during workouts.

**Highlights:** Customizable workout builder, Adjustable work/rest intervals, Large gym clock display, Sound and haptic cues, Save favorite routines, Track completed workouts

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BellBlock Monthly | $0.99 | per month |


## Frequently asked questions

### Is HIIT Interval Timer free?

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

### Is BellBlock free?

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

### Do HIIT Interval Timer or BellBlock have ads?

HIIT Interval Timer shows ads; BellBlock does not.

### Which is updated more often, HIIT Interval Timer or BellBlock?

HIIT Interval Timer ships an update fortnightly, and BellBlock every 2 days. Most recently, HIIT Interval Timer was updated on November 3, 2026 and BellBlock on October 31, 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.*