# Seconds Interval Timer vs Gustav Workout Timer

The clearest difference is rating: Seconds Interval Timer at 4.7 against Gustav Workout Timer's 4.1. Seconds Interval Timer also leads on ratings volume (24K vs 8). Gustav Workout Timer's advantage is in-app purchases (none vs 1) and review sentiment (100% vs 75%). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Seconds Interval Timer sells 1 one-off in-app purchase. Gustav Workout Timer asks for nothing beyond the download.

Seconds Interval Timer holds the better App Store score, 4.7 against 4.1. That said, the two scores are not equally well evidenced: Seconds Interval Timer has 24K ratings behind it against 8, so its average is the more settled of the two. Written reviews complicate that: 75% of Seconds Interval Timer'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.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 3, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Seconds Interval Timer | Gustav Workout Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (24K ratings)](https://appshunter.io/ios/app/seconds-interval-timer/id475816966/reviews)** | [4.1 (8 ratings)](https://appshunter.io/ios/app/gustav-workout-timer/id6478176431/reviews) |
| Number of ratings | **24K** | 8 |
| Positive reviews | 74.9% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 95 MB | 31 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Runloop Ltd](https://appshunter.io/developer/325563420) | [Dalibor Janecek](https://appshunter.io/developer/1732114572) |

## What reviewers say

### Seconds Interval Timer

[App page](https://appshunter.io/ios/app/seconds-interval-timer/id475816966)

This app provides a versatile interval timer for various workout types like Tabata, HIIT, and circuit training. It features a clear, full-screen display, customizable alerts, and background operation. Users can also utilize a stopwatch and countdown timer, with integration for Apple Health.

**Highlights:** Full-screen colored display, Templates for HIIT, Tabata, Circuit Training, Voice and audio alerts, Music assignment per interval, Background operation, Apple Health integration, Stopwatch and countdown timer

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Advanced Version | $7.99 | one-time |

**What reviewers like**

- 🚀 Great workout app
- 👍 Customizable and user-friendly
- 🔒 Reliable and stable
- 💡 Versatile for various workouts
- 👍 Easy to create and edit timers

**What reviewers complain about**

- 🐛 Occasional audio issues
- 🔍 Limited Apple Watch integration
- 💰 Paid version required for full functionality
- 🕰️ Time-consuming to set up complex workouts

**Reported bugs**

- Timer sometimes stops working unexpectedly
- Issues with restoring purchases on new devices

**Requested features**

- Ability to change beep/alert volume independently
- Option to delay transition between intervals
- Sync workouts across devices
- More preset workout templates
- Heart rate monitoring integration


### 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 Seconds Interval Timer free?

Seconds Interval Timer 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, Seconds Interval Timer or Gustav Workout Timer?

Seconds Interval Timer is rated higher. Seconds Interval Timer averages 4.7 out of 5 from 24K ratings, while Gustav Workout Timer averages 4.1 from 8 ratings.

### Do Seconds Interval Timer or Gustav Workout Timer have ads?

Neither Seconds Interval Timer nor Gustav Workout Timer shows ads.

### Which is updated more often, Seconds Interval Timer or Gustav Workout Timer?

Seconds Interval Timer ships an update monthly, and Gustav Workout Timer monthly. Most recently, Seconds Interval Timer was updated on October 3, 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.*