# HIIT vs Cadence

The clearest difference is update cadence: HIIT at every 2 weeks against Cadence's every 4 weeks. On price, ads, in-app purchases 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 and Cadence sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

HIIT ships an update every 2 weeks, Cadence every 4 weeks. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | HIIT | Cadence |
| --- | --- | --- |
| 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 | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 4 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 83 MB | 13 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Maxim Kazakov](https://appshunter.io/developer/1290266003) | [健平 黄](https://appshunter.io/developer/6789176998) |

## What reviewers say

### 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 |


### Cadence

[App page](https://appshunter.io/ios/app/cadence-run-tracker-and-share/id6789550372)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Run321 月度会员 | $0.99 | per month |
| Run321年度会员 | $4.99 | per year |


## Frequently asked questions

### Is HIIT free?

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

### Is Cadence free?

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

### Do HIIT or Cadence have ads?

Neither HIIT nor Cadence shows ads.

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

HIIT ships an update every 2 weeks, and Cadence every 4 weeks. Most recently, HIIT was updated on November 3, 2026 and Cadence on November 7, 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.*