# Intervals Pro vs Gustav Workout Timer

The clearest difference is rating: Intervals Pro at 4.8 against Gustav Workout Timer's 4.1. Intervals Pro also leads on ratings volume (14K vs 8) and update cadence (every 8 days vs monthly). Gustav Workout Timer's advantage is in-app purchases (none vs 8) and review sentiment (100% vs 84%). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Intervals Pro sells 8 in-app purchases, starting at $2.99 per month. Gustav Workout Timer asks for nothing beyond the download.

Intervals Pro holds the better App Store score, 4.8 against 4.1. That said, the two scores are not equally well evidenced: Intervals Pro has 14K ratings behind it against 8, so its average is the more settled of the two. Written reviews complicate that: 84% of Intervals Pro's written reviews are positive against 100% of Gustav Workout Timer's, so the app with the better star average is not the one people write more warmly about.

Intervals Pro ships an update every 8 days, Gustav Workout Timer monthly. Both last shipped on October 1, 2026.

## The numbers

| Metric | Intervals Pro | Gustav Workout Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (14K ratings)](https://appshunter.io/ios/app/intervals-pro-hiit-timer/id957586938/reviews)** | [4.1 (8 ratings)](https://appshunter.io/ios/app/gustav-workout-timer/id6478176431/reviews) |
| Number of ratings | **14K** | 8 |
| Positive reviews | 84.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 8 days** | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 69 MB | 31 MB |
| Requires iOS | **17.5** | 18.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Intervals, LLC](https://appshunter.io/developer/331071662) | [Dalibor Janecek](https://appshunter.io/developer/1732114572) |

## What reviewers say

### Intervals Pro

[App page](https://appshunter.io/ios/app/intervals-pro-hiit-timer/id957586938)

Create and follow custom interval training routines for various fitness activities. This app offers extensive customization for intervals, alerts, and goals, with seamless integration for Apple Watch and Apple Health.

**Highlights:** Highly customizable intervals (time/distance), Spoken interval names and prompts, Standalone Apple Watch workouts, Workout history with Apple Health, Home screen widgets for quick launch, Bluetooth heart rate monitor support, Siri Shortcuts integration

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Membership | $2.99 | per month |
| Yearly Membership | $19.99 | per year |
| Generous Tip | $0.99 | one-time |
| Awesome Tip | $1.99 | one-time |
| Massive Tip | $4.99 | one-time |
| Amazing Tip | $9.99 | one-time |
| Intervals Pro (Legacy) | $69.99 | one-time |
| Lifetime Access | $69.99 | one-time |

**What reviewers like**

- 👍 Customizable timers and intervals
- 🚀 Seamless Apple Watch integration
- 💪 Helps with fitness goals and training
- 🔍 Detailed workout tracking and analytics
- 🎨 Intuitive and user-friendly interface

**What reviewers complain about**

- 🐛 Occasional sync and connectivity issues
- 🔍 Lack of clear guidance and documentation
- 💰 Paid version required for full functionality

**Reported bugs**

- Workout data not syncing correctly
- App crashes or freezes on certain devices

**Requested features**

- More customization options for interval displays
- Ability to batch delete or manage workout history
- Integration with more third-party fitness apps


### Gustav Workout Timer

[App page](https://appshunter.io/ios/app/gustav-workout-timer/id6478176431)

This app helps you manage your workout intervals for various training types like HIIT, circuits, and strength. It offers customizable timers, built-in options, and personalized interval naming for a focused and comfortable training experience.

**Highlights:** Customizable intervals up to 10 minutes, Ready-made built-in timers, Save custom timers to Favourites, Custom interval naming, New sound and audio cue options, Haptic feedback for interval changes, Modern Liquid Glass design

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

**In-app purchases:** none


## Frequently asked questions

### Is Intervals Pro free?

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

### Is Gustav Workout Timer free?

Gustav Workout Timer is free to download, with no in-app purchases.

### Which has better reviews, Intervals Pro or Gustav Workout Timer?

Intervals Pro is rated higher. Intervals Pro averages 4.8 out of 5 from 14K ratings, while Gustav Workout Timer averages 4.1 from 8 ratings.

### Do Intervals Pro or Gustav Workout Timer have ads?

Neither Intervals Pro nor Gustav Workout Timer shows ads.

### Which is updated more often, Intervals Pro or Gustav Workout Timer?

Intervals Pro ships an update every 8 days, and Gustav Workout Timer monthly. Most recently, Intervals Pro was updated on October 1, 2026 and Gustav Workout Timer 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.*