# Interval Timer Tabata and HIIT vs SemChip

The clearest difference is in-app purchases: SemChip at none against Interval Timer Tabata and HIIT's 2. SemChip also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Interval Timer Tabata and HIIT sells 2 in-app purchases, starting at $5.99 per month. SemChip asks for nothing beyond the download.

Interval Timer Tabata and HIIT ships an update weekly, SemChip every 3 days. The most recent releases landed on September 28, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Interval Timer Tabata and HIIT | SemChip |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/interval-timer-tabata-and-hiit/id6764888681/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 49 MB | 42 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sergei Melchugov](https://appshunter.io/developer/1895950696) | [Julio Cesar Lima de Jesus Lemos](https://appshunter.io/developer/1632737264) |

## What reviewers say

### Interval Timer Tabata and HIIT

[App page](https://appshunter.io/ios/app/interval-timer-tabata-and-hiit/id6764888681)

This app offers customizable interval timers for various training styles like Tabata, HIIT, and boxing. It provides ready-made workouts, personalized 28-day plans, and tracks progress with analytics, achievements, and Apple Health sync.

**Highlights:** Customizable interval timers, Ready-made workouts, 28-day personalized plans, Voice cues, Apple Watch heart rate zone tracking, Progress analytics and achievements, Apple Health sync

**Features:** Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $5.99 | per month |
| Yearly Premium | $24.99 | per year |


### SemChip

[App page](https://appshunter.io/ios/app/semchip-corrida-virtual/id6804914192)

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

**In-app purchases:** none


## Frequently asked questions

### Is Interval Timer Tabata and HIIT free?

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

### Is SemChip free?

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

### Do Interval Timer Tabata and HIIT or SemChip have ads?

Interval Timer Tabata and HIIT shows ads; SemChip does not.

### Which is updated more often, Interval Timer Tabata and HIIT or SemChip?

Interval Timer Tabata and HIIT ships an update weekly, and SemChip every 3 days. Most recently, Interval Timer Tabata and HIIT was updated on September 28, 2026 and SemChip on October 6, 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.*