# SmartHIIT vs Takeoff Intervals

The clearest difference is in-app purchases: Takeoff Intervals at none against SmartHIIT's 2. Takeoff Intervals also leads on update cadence (every 2 days vs every 4 days). SmartHIIT's advantage is iOS requirement (18.5 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. SmartHIIT sells 2 in-app purchases, starting at $4.99 per month. Takeoff Intervals asks for nothing beyond the download.

SmartHIIT ships an update every 4 days, Takeoff Intervals every 2 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | SmartHIIT | Takeoff Intervals |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/takeoff-intervals-ai-timer/id6804351585/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 2 days** |
| Monetization | — | Free |
| Size | 33 MB | 10 MB |
| Requires iOS | **18.5** | 26.0 |
| Devices | iPhone | **iPhone, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Diego Dias de Macedo](https://appshunter.io/developer/1293397655) | [Takeoff Timer LLC](https://appshunter.io/developer/1882210519) |

## What reviewers say

### SmartHIIT

[App page](https://appshunter.io/ios/app/smarthiit-quick-workouts/id6754564855)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SmartHIIT Pro Monthly | $4.99 | per month |
| SmartHIIT Pro Annual | $34.99 | per year |


### 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 SmartHIIT free?

SmartHIIT 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 SmartHIIT or Takeoff Intervals have ads?

Neither SmartHIIT nor Takeoff Intervals shows ads.

### Which is updated more often, SmartHIIT or Takeoff Intervals?

SmartHIIT ships an update every 4 days, and Takeoff Intervals every 2 days. Most recently, SmartHIIT was updated on November 5, 2026 and Takeoff Intervals 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.*