# HIIT timer chronometer gym vs Dorray

The clearest difference is rating: Dorray at 5.0 against HIIT timer chronometer gym's 4.4. Dorray also leads on ads (none vs shown) and update cadence (every 6 weeks vs every 7 months). HIIT timer chronometer gym's advantage is ratings volume (37 vs 2). On price, review sentiment, 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.

Dorray holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: HIIT timer chronometer gym has 37 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 53% of HIIT timer chronometer gym's written reviews are positive against 50% of Dorray's, so the app with the better star average is not the one people write more warmly about.

HIIT timer chronometer gym ships an update every 7 months, Dorray every 6 weeks. The most recent releases landed on October 18, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | HIIT timer chronometer gym | Dorray |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (37 ratings)](https://appshunter.io/ios/app/hiit-timer-chronometer-gym/id1086940926/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/dorray/id1439768356/reviews)** |
| Number of ratings | **37** | 2 |
| Positive reviews | **52.9% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | **Every 6 weeks** |
| Monetization | Ad-supported | **Free** |
| Size | 7 MB | 24 MB |
| Requires iOS | 14.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | +4 | 17+ |
| Developer | [Mireia Lluch Ortola](https://appshunter.io/developer/1003230042) | [Hunan Jiancheng Information Technology Co., Ltd.](https://appshunter.io/developer/958061288) |

## What reviewers say

### HIIT timer chronometer gym

[App page](https://appshunter.io/ios/app/hiit-timer-chronometer-gym/id1086940926)

This interval timer helps you manage work and rest periods for various fitness activities like HIIT, tabata, and strength training. It offers customizable settings for timers, repetitions, and series, with audible and visual cues to guide your workouts.

**Highlights:** Programmable timers, Customizable time settings, Customizable series and repetitions, Audible and visual alerts, Pause and resume functionality, Speaking coach

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

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and easy to use
- 🚀 Effective for HIIT workouts
- 💰 Free to use
- 👌 Good for basic timing needs
- 🗣️ Voice control is superb

**What reviewers complain about**

-  anúncios Annoying ads
- 🔇 No sound issues
- 🔒 Screen locks and app stops
- 👎 Unstable, crashes during workouts
- 🎛️ Limited customization options

**Reported bugs**

- Screen goes to sleep and locks
- Screen turns off after last update
- No sound
- App disappears during workouts
- Timer stops when screen is locked

**Requested features**

- Ability to save workout settings
- Option to create rest periods for stretching
- Specify series vs. exercises better
- Basic customization would be useful
- Landscape mode


### Dorray

[App page](https://appshunter.io/ios/app/dorray/id1439768356)

This intelligent sports app connects to various smart devices to track your body and exercise data. It synchronizes information from health scales and vibration power plates, generating detailed reports and curves to visualize your progress. Control EMS devices and choose from various training modes for a smarter fitness experience.

**Highlights:** Synchronize smart device data, Generate chart reports, Record body and exercise data, Connect to health scales, Control vibration power plates, Manage EMS devices

**In-app purchases:** none


## Frequently asked questions

### Is HIIT timer chronometer gym free?

HIIT timer chronometer gym is free to download, with no in-app purchases.

### Is Dorray free?

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

### Which has better reviews, HIIT timer chronometer gym or Dorray?

Dorray is rated higher. HIIT timer chronometer gym averages 4.4 out of 5 from 37 ratings, while Dorray averages 5.0 from 2 ratings.

### Do HIIT timer chronometer gym or Dorray have ads?

HIIT timer chronometer gym shows ads; Dorray does not.

### Which is updated more often, HIIT timer chronometer gym or Dorray?

HIIT timer chronometer gym ships an update every 7 months, and Dorray every 6 weeks. Most recently, HIIT timer chronometer gym was updated on October 18, 2026 and Dorray on October 1, 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.*