# Action for Asperger’s Grounding vs HIIT Timer / Interval Timer

The clearest difference is ads: Action for Asperger’s Grounding at none against HIIT Timer / Interval Timer's shown. Action for Asperger’s Grounding also leads on iOS requirement (6.0 vs 26.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Action for Asperger’s Grounding ships an update every 6 weeks, HIIT Timer / Interval Timer every 2 months. The most recent releases landed on October 12, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Action for Asperger’s Grounding | HIIT Timer / Interval Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (14 ratings)](https://appshunter.io/ios/app/hiit-timer-interval-timer/id1610842683/reviews)** |
| Number of ratings | — | **14** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | — | Ad-supported |
| Size | 43 MB | 12 MB |
| Requires iOS | **6.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Robin Road Limited](https://appshunter.io/developer/1325132684) | [FugaPiyo Inc.](https://appshunter.io/developer/1497887610) |

## What reviewers say

### Action for Asperger’s Grounding

[App page](https://appshunter.io/ios/app/action-for-aspergers-grounding/id1131575559)

**Features:** macOS Compatibility

**In-app purchases:** none


### HIIT Timer / Interval Timer

[App page](https://appshunter.io/ios/app/hiit-timer-interval-timer/id1610842683)

This app provides a customizable timer for high-intensity interval training. Easily set up warm-up, workout, and cool-down periods with adjustable intervals and counts. Personalize colors, sounds, and notifications for a tailored experience.

**Highlights:** Unlimited timer creation, Customizable intervals (warm-up, workout, cool-down), Adjustable counts, Color and sound customization, Dark mode support, Background notifications

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Action for Asperger’s Grounding free?

Action for Asperger’s Grounding is free to download, with no in-app purchases.

### Is HIIT Timer / Interval Timer free?

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

### Do Action for Asperger’s Grounding or HIIT Timer / Interval Timer have ads?

HIIT Timer / Interval Timer shows ads; Action for Asperger’s Grounding does not.

### Which is updated more often, Action for Asperger’s Grounding or HIIT Timer / Interval Timer?

Action for Asperger’s Grounding ships an update every 6 weeks, and HIIT Timer / Interval Timer every 2 months. Most recently, Action for Asperger’s Grounding was updated on October 12, 2026 and HIIT Timer / Interval Timer on October 4, 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.*