# Interval Timer □ HIIT Timer vs Instruct

Interval Timer □ HIIT Timer and Instruct both sit at 4.8 stars, but that hides the real split: 100% of Instruct's written reviews are positive against 61% of Interval Timer □ HIIT Timer's. Interval Timer □ HIIT Timer's advantage is monetization model (freemium vs subscription) and ratings volume (87K vs 6). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Interval Timer □ HIIT Timer sells 5 in-app purchases, starting at $1.99 per month and Instruct sells 2 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Instruct holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Interval Timer □ HIIT Timer has 87K ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 61% of Interval Timer □ HIIT Timer's written reviews are positive against 100% of Instruct's.

Interval Timer □ HIIT Timer ships an update every 5 weeks, Instruct every 2 months. The most recent releases landed on November 5, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Interval Timer □ HIIT Timer | Instruct |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (87K ratings)](https://appshunter.io/ios/app/interval-timer-hiit-timer/id1124297113/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/instruct-ai-interval-timer/id6754808207/reviews)** |
| Number of ratings | **87K** | 6 |
| Positive reviews | 60.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | **Freemium** | Subscription |
| Size | 34 MB | 42 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Float Tech, LLC](https://appshunter.io/developer/483697886) | [Instruct](https://appshunter.io/developer/1850202038) |

## What reviewers say

### Interval Timer □ HIIT Timer

[App page](https://appshunter.io/ios/app/interval-timer-hiit-timer/id1124297113)

Create custom workout timers with adjustable intervals for exercise and rest.  Track your progress with detailed history and statistics, and repeat past workouts easily.  Enjoy audio cues without interrupting your music.

**Highlights:** Customizable intervals, Workout and rest timers, Voice or beep guides, Background audio support, Workout history and statistics, Repeat previous workouts

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Pass | $1.99 | per month |
| Premium Pass | $2.99 | per month |
| Lifetime Pass | $14.99 | one-time |
| Lifetime Pass | $19.99 | one-time |
| Premium Forever Promo | $29.99 | one-time |

**What reviewers like**

- 🚀 Simple and easy to use
- 👍 Customizable settings
- 🚀 Intuitive interface
- 🚀 Effective for HIIT workouts
- 👍 Helpful voice prompts

**What reviewers complain about**

- 🔒 Requires subscription after limited free use
- 🐛 Music volume issues with voice prompts
- 🐛 Inconsistent behavior when switching apps
- 🐛 Lack of final workout notification

**Reported bugs**

- Timer not always accurate
- Favorites/saved workouts feature not working
- Inconsistent behavior when pausing/resuming

**Requested features**

- Ability to save and name custom workouts
- More flexibility in exercise/rest time settings
- Option to adjust volume of voice prompts


### Instruct

[App page](https://appshunter.io/ios/app/instruct-ai-interval-timer/id6754808207)

This app helps group fitness instructors quickly plan, design, and choreograph classes. It offers an AI-powered bot to generate custom workouts, a smart library for organizing past classes, and automatic timer integration. Spend less time planning and more time teaching.

**Highlights:** On-demand Class Builder Bot, Smart Library for past classes, Automatic timer integration, Review and edit class flow, Save and reuse workout templates, Instructor-first interface

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro Access (Instruct +) | $2.99 | per 7 days |
| Monthly Pro Access (Instruct +) | $7.99 | per month |


## Frequently asked questions

### Is Interval Timer □ HIIT Timer free?

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

### Is Instruct free?

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

### Which has better reviews, Interval Timer □ HIIT Timer or Instruct?

Instruct is rated higher. Interval Timer □ HIIT Timer averages 4.8 out of 5 from 87K ratings, while Instruct averages 5.0 from 6 ratings.

### Do Interval Timer □ HIIT Timer or Instruct have ads?

Neither Interval Timer □ HIIT Timer nor Instruct shows ads.

### Which is updated more often, Interval Timer □ HIIT Timer or Instruct?

Interval Timer □ HIIT Timer ships an update every 5 weeks, and Instruct every 2 months. Most recently, Interval Timer □ HIIT Timer was updated on November 5, 2026 and Instruct on October 30, 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.*