# MiAid vs HIIT

The clearest difference is in-app purchases: MiAid at none against HIIT's 8. MiAid also leads on iOS requirement (12.0 vs 17.0). HIIT's advantage is update cadence (every 2 weeks vs every 5 weeks). On price, ads and device support there is nothing between them.

Both are free to download. HIIT sells 8 in-app purchases, starting at $0.99 per month. MiAid asks for nothing beyond the download.

MiAid ships an update every 5 weeks, HIIT every 2 weeks. The most recent releases landed on September 11, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | MiAid | HIIT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (34 ratings)](https://appshunter.io/ios/app/hiit-simple-interval-timer/id6449472984/reviews)** |
| Number of ratings | — | **34** |
| Positive reviews | — | 57.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 135 MB | 83 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [Synapses Global Assist Pty Ltd](https://appshunter.io/developer/1591494421) | [Maxim Kazakov](https://appshunter.io/developer/1290266003) |

## What reviewers say

### MiAid

[App page](https://appshunter.io/ios/app/miaid/id1622459141)

**Features:** Apple Wallet, Vision Pro support

**In-app purchases:** none


### HIIT

[App page](https://appshunter.io/ios/app/hiit-simple-interval-timer/id6449472984)

Design and track custom interval running workouts with real-time data and audio cues. This app offers detailed post-run analysis and integrates with Apple Health and Apple Watch for phone-free training.

**Highlights:** Customizable intervals (time, distance, open), Support for HIIT, tempo, fartlek, pyramid, progression workouts, Real-time tracking of pace, cadence, heart rate, Audio cues for guidance, Phone-free Apple Watch operation, Post-run analysis and GPX export, Apple Health integration

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly Day 2 | $0.99 | per month |
| Premium Weekly | $3.99 | per 7 days |
| Premium Monthly Day 1 | $4.99 | per month |
| Premium Monthly | $9.99 | per month |
| Premium 3 Months | $19.99 | per 3 months |
| Premium Annual Special Offer | $29.99 | per year |
| Interval Run Premium Yearly | $59.99 | per year |
| Intreval Run Premium Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is MiAid free?

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

### Is HIIT free?

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

### Do MiAid or HIIT have ads?

Neither MiAid nor HIIT shows ads.

### Which is updated more often, MiAid or HIIT?

MiAid ships an update every 5 weeks, and HIIT every 2 weeks. Most recently, MiAid was updated on September 11, 2026 and HIIT on September 18, 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.*