# Workout Trainer AI vs HIIT

The clearest difference is ratings volume: HIIT at 31K against Workout Trainer AI's 7.7K. On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. Workout Trainer AI sells 11 in-app purchases, starting at $6.99 per month and HIIT sells 11 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for Workout Trainer AI against 4.8 for HIIT. Both are backed by a comparable volume of ratings — 7.7K and 31K respectively. Written reviews are what separate them: 88% of Workout Trainer AI's written reviews are positive against 91% of HIIT's.

Both ship on a similar rhythm, roughly monthly. Both last shipped on September 24, 2026.

## The numbers

| Metric | Workout Trainer AI | HIIT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (7.7K ratings)](https://appshunter.io/ios/app/workout-trainer-ai/id395686735/reviews) | **[4.8 (31K ratings)](https://appshunter.io/ios/app/hiit-workouts-and-timer/id891535485/reviews)** |
| Number of ratings | 7.7K | **31K** |
| Positive reviews | 87.8% of reviews | **90.8% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Monthly | Monthly |
| Monetization | Free with in-app purchases | Freemium |
| Size | 150 MB | 159 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [Skimble](https://appshunter.io/developer/345235707) | [Fast Builder Limited](https://appshunter.io/developer/596300475) |

## What reviewers say

### Workout Trainer AI

[App page](https://appshunter.io/ios/app/workout-trainer-ai/id395686735)

Achieve your fitness goals with AI-powered personalized coaching. Access multimedia workouts, track various sports, log weightlifting, and connect with a supportive community. Enhance your training with advanced heart rate feedback and performance analysis.

**Highlights:** AI personalized weekly plans, Multimedia workouts for all levels, 70+ sports activities tracking, Weightlifting logging tools, GPS distance tracking, Heart rate feedback & analysis, Community leaderboards

**Features:** macOS Compatibility, Apple Wallet, Apple Watch app, Vision Pro support

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO+ Monthly Subscription | $6.99 | per month |
| Monthly PRO+ | $9.99 | per month |
| Annual PRO+ | $59.99 | per year |
| 3 Months PRO Access (60% off!!!) | $9.99 | one-time |
| 6 Pack Toned Abs | $9.99 | one-time |
| Fit, Flex & Fierce | $9.99 | one-time |
| Slim & Trim Bootcamp | $9.99 | one-time |
| Lose It. Tone It! | $9.99 | one-time |
| Bikini Beach Babe | $9.99 | one-time |
| 1 Year PRO Access (60% off!!!) | $19.99 | one-time |
| 1 Year Membership of PRO+ | $59.99 | one-time |

**What reviewers like**

- 🚀 Wide range of workouts
- 👍 Variety of exercises
- 👍 Customizable workouts
- 👍 Motivating voice guidance
- 👍 Tracks progress and calories

**What reviewers complain about**

- 🐛 Syncing issues with Apple Watch
- 🐛 Subscription issues and lack of customer support
- 🔒 Privacy concerns with required account creation
- 👎 Overwhelming number of options can be confusing
- 👎 Repetitive and uninspiring voice guidance

**Reported bugs**

- App crashes and freezes
- Workouts not loading or saving properly
- Paid subscription not granting full access

**Requested features**

- Ability to download workouts for offline use
- More advanced workout tracking and analytics
- Integration with other fitness apps and devices
- Customizable voice guidance and music options


### HIIT

[App page](https://appshunter.io/ios/app/hiit-workouts-and-timer/id891535485)

This app offers short, high-intensity interval training (HIIT) workouts that can be done anywhere with no equipment. It provides scientifically proven exercises, custom timer templates, and progress tracking to help users achieve fitness results quickly.

**Highlights:** Short, high-intensity workouts, Customizable timer templates, Step-by-step instructions, Calendar and weight tracking, Voice and video guidance, Apple Health integration

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lock-in our cheapest price! | $2.99 | per 7 days |
| 7M Pro | $2.99 | per 7 days |
| Get Yearly Premium! | $9.99 | per year |
| Interval Timer Pro + Workouts | $12.99 | per month |
| Interval Timer X premium | $19.99 | per 3 months |
| 7M Pro | $19.99 | per 3 months |
| Get Monthly Premium! | $19.99 | per month |
| Get Yearly Premium! | $19.99 | per year |
| Interval Timer X premium | $29.99 | per year |
| 7M Pro | $29.99 | per year |
| Interval Timer Pro + Workouts | $39.99 | per year |

**What reviewers like**

- 👍 Variety and flexibility of workouts
- 🚀 Easy to follow and effective workouts
- 💪 Workouts challenge users and help them see results
- 🎨 Good range of difficulty levels
- ⏱️ Convenient short workout options

**What reviewers complain about**

- 🐛 Some workouts are too easy or repetitive
- 🔇 Lack of music or audio guidance during workouts
- 💰 Concerns about paid subscription model
- 🤔 Lack of modifications or low-impact options

**Reported bugs**

- Some videos or links not working
- Occasional crashes or performance issues

**Requested features**

- Option to create custom workouts
- More workout types beyond just HIIT
- Integration with fitness tracking apps
- Ability to save favorite workouts


## Frequently asked questions

### Is Workout Trainer AI free?

Workout Trainer AI is free to download, with in-app purchases available.

### Is HIIT free?

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

### Which has better reviews, Workout Trainer AI or HIIT?

HIIT is rated higher. Workout Trainer AI averages 4.7 out of 5 from 7.7K ratings, while HIIT averages 4.8 from 31K ratings.

### Do Workout Trainer AI or HIIT have ads?

Both Workout Trainer AI and HIIT show ads.

### Which is updated more often, Workout Trainer AI or HIIT?

Workout Trainer AI ships an update monthly, and HIIT monthly. Most recently, Workout Trainer AI was updated on September 24, 2026 and HIIT on September 24, 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.*