# Interval Timer | HIIT Training vs Takeoff Intervals

The clearest difference is in-app purchases: Takeoff Intervals at none against Interval Timer | HIIT Training's 3. Takeoff Intervals also leads on ads (none vs shown) and update cadence (every 2 days vs every 11 days). Interval Timer | HIIT Training's advantage is iOS requirement (16.0 vs 26.0). On price and device support there is nothing between them.

Both are free to download. Interval Timer | HIIT Training sells 3 in-app purchases, starting at $1.99 per month. Takeoff Intervals asks for nothing beyond the download.

Interval Timer | HIIT Training ships an update every 11 days, Takeoff Intervals every 2 days. The most recent releases landed on October 1, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Interval Timer | HIIT Training | Takeoff Intervals |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/takeoff-intervals-ai-timer/id6804351585/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 11 days | **Every 2 days** |
| Monetization | — | Free |
| Size | 84 MB | 10 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [LS PROGRAMACAO LTDA](https://appshunter.io/developer/1896779603) | [Takeoff Timer LLC](https://appshunter.io/developer/1882210519) |

## What reviewers say

### Interval Timer | HIIT Training

[App page](https://appshunter.io/ios/app/interval-timer-hiit-training/id6791772563)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Interval Timer Pro Monthly | $1.99 | per month |
| Interval Timer Pro Annual | $11.99 | per year |
| Interval Timer Pro Lifetime | $29.99 | one-time |


### Takeoff Intervals

[App page](https://appshunter.io/ios/app/takeoff-intervals-ai-timer/id6804351585)

Transform written workout instructions into an audible, spoken timer. This app intelligently interprets exercises, rounds, and rest periods, allowing you to review and start your session without looking at your phone.

**Highlights:** AI-powered text to workout timer, Understands various workout formats (EMOM, AMRAP, etc.), Spoken cues for exercises, Countdown beeps and music integration, Apple Watch control and display, Handles interruptions like phone calls

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Interval Timer | HIIT Training free?

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

### Is Takeoff Intervals free?

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

### Do Interval Timer | HIIT Training or Takeoff Intervals have ads?

Interval Timer | HIIT Training shows ads; Takeoff Intervals does not.

### Which is updated more often, Interval Timer | HIIT Training or Takeoff Intervals?

Interval Timer | HIIT Training ships an update every 11 days, and Takeoff Intervals every 2 days. Most recently, Interval Timer | HIIT Training was updated on October 1, 2026 and Takeoff Intervals on September 30, 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.*