# Interval Timer vs Instruct

The clearest difference is monetization model: Interval Timer at free with in-app purchases against Instruct's subscription. Interval Timer also leads on update cadence (every 9 days vs every 2 months) and ratings volume (19K vs 5). Instruct's advantage is rating (5.0 vs 4.5) and ads (none vs shown). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Interval Timer sells 6 in-app purchases, starting at $0.99 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 4.5. That said, the two scores are not equally well evidenced: Interval Timer has 19K ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 73% of Interval Timer's written reviews are positive against 100% of Instruct's.

Interval Timer ships an update every 9 days, Instruct every 2 months. The most recent releases landed on October 14, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Interval Timer | Instruct |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (19K ratings)](https://appshunter.io/ios/app/interval-timer-tabata-timer/id406473568/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/instruct-ai-interval-timer/id6754808207/reviews)** |
| Number of ratings | **19K** | 5 |
| Positive reviews | 72.9% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Every 2 months |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 143 MB | 42 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [NEO PIXEL LABS PTE. LTD.](https://appshunter.io/developer/1788472183) | [Instruct](https://appshunter.io/developer/1850202038) |

## What reviewers say

### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-tabata-timer/id406473568)

This app helps you manage workout intervals with customizable work and rest periods. It runs in the background and allows music playback, with options to save settings and share progress. Integrates with Apple Health for heart rate monitoring.

**Highlights:** Customizable sets, intervals, and rest times, Runs in background and with screen locked, Music playlist integration, Save settings as templates, Apple Health integration for heart rate, Post workouts to social media

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus - 1 Month | $0.99 | per month |
| Premium - 1 Month | $1.99 | per month |
| Plus - 1 Month | $1.99 | per month |
| Premium - 1 Month | $2.99 | per month |
| Plus - 1 Year | $4.99 | per year |
| Premium - 1 Year | $9.99 | per year |

**What reviewers like**

- 🚀 Free version works well
- 👍 Customizable intervals and timers
- 👍 Flexible for different workouts
- 👍 Easy to use and set up
- 👍 Provides visual and audio cues

**What reviewers complain about**

- 🐛 Timer issues (stops, loses time)
- 🔋 Drains battery when used
- 💰 Expensive subscription model
- 📢 Intrusive ads
- 🔒 Incompatible with other apps

**Reported bugs**

- Ads block functionality
- App freezes or crashes
- Timer doesn't work in background

**Requested features**

- Add notes to workouts
- Provide workout history and analytics
- Allow syncing with Apple Health
- Improve Apple Watch integration
- Add more customization options


### 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 free?

Interval 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 or Instruct?

Instruct is rated higher. Interval Timer averages 4.5 out of 5 from 19K ratings, while Instruct averages 5.0 from 5 ratings.

### Do Interval Timer or Instruct have ads?

Interval Timer shows ads; Instruct does not.

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

Interval Timer ships an update every 9 days, and Instruct every 2 months. Most recently, Interval Timer was updated on October 14, 2026 and Instruct on September 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.*