# HC HIIT Interval Timer vs Gym Timer Pro

The clearest difference is rating: Gym Timer Pro at 5.0 against HC HIIT Interval Timer's 4.2. Gym Timer Pro also leads on update cadence (every 4 days vs every 21 months) and iOS requirement (12.0 vs 16.0). On price, review sentiment, ratings volume and ads there is nothing between them.

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

Gym Timer Pro holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 5 and 11 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

HC HIIT Interval Timer ships an update every 21 months, Gym Timer Pro every 4 days. The most recent releases landed on June 4, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | HC HIIT Interval Timer | Gym Timer Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (5 ratings)](https://appshunter.io/ios/app/hc-hiit-interval-timer/id1501179862/reviews) | **[5.0 (11 ratings)](https://appshunter.io/ios/app/gym-timer-pro-interval/id1539358626/reviews)** |
| Number of ratings | 5 | **11** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 4 days** |
| Monetization | Free | Free |
| Size | 2 MB | 57 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Dejan Dragic](https://appshunter.io/developer/1501179861) | [Dae Won Kim](https://appshunter.io/developer/1539358628) |

## What reviewers say

### HC HIIT Interval Timer

[App page](https://appshunter.io/ios/app/hc-hiit-interval-timer/id1501179862)

Create and manage custom interval training workouts with an integrated timer. Design workouts with specific actions, colors, names, and durations. Suitable for personal training or individual fitness routines.

**Highlights:** Create custom workouts, Integrated workout timer, Define actions with color, name, and duration, Use default workouts, Save and reuse workout routines

**Features:** macOS Compatibility

**In-app purchases:** none


### Gym Timer Pro

[App page](https://appshunter.io/ios/app/gym-timer-pro-interval/id1539358626)

This free interval timer app helps you structure your workouts with customizable work, rest, and set periods. Easily configure countdowns or count-ups for up to three distinct workout items, with an optional ready time before starting.

**Highlights:** Countdown and count-up timers, Up to 3 workout items, Configurable work, rest, and sets, Adjustable ready time, Completely free with no ads or purchases

**In-app purchases:** none


## Frequently asked questions

### Is HC HIIT Interval Timer free?

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

### Is Gym Timer Pro free?

Gym Timer Pro is free to download, with no in-app purchases.

### Which has better reviews, HC HIIT Interval Timer or Gym Timer Pro?

Gym Timer Pro is rated higher. HC HIIT Interval Timer averages 4.2 out of 5 from 5 ratings, while Gym Timer Pro averages 5.0 from 11 ratings.

### Do HC HIIT Interval Timer or Gym Timer Pro have ads?

Neither HC HIIT Interval Timer nor Gym Timer Pro shows ads.

### Which is updated more often, HC HIIT Interval Timer or Gym Timer Pro?

HC HIIT Interval Timer ships an update every 21 months, and Gym Timer Pro every 4 days. Most recently, HC HIIT Interval Timer was updated on June 4, 2026 and Gym Timer Pro on September 10, 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.*