# Seconds Interval Timer vs Ultra Intervals Workout Timer

The clearest difference is in-app purchases: Ultra Intervals Workout Timer at none against Seconds Interval Timer's 1. Ultra Intervals Workout Timer also leads on update cadence (every 6 days vs monthly) and review sentiment (89% vs 75%). Seconds Interval Timer's advantage is ratings volume (24K vs 4) and rating (4.7 vs 4.5). On price, ads and device support there is nothing between them.

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

Seconds Interval Timer holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: Seconds Interval Timer has 24K ratings behind it against 4, 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 89% of Ultra Intervals Workout Timer's, so the app with the better star average is not the one people write more warmly about.

Seconds Interval Timer ships an update monthly, Ultra Intervals Workout Timer every 6 days. The most recent releases landed on October 14, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Seconds Interval Timer | Ultra Intervals Workout Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (24K ratings)](https://appshunter.io/ios/app/seconds-interval-timer/id475816966/reviews)** | [4.5 (4 ratings)](https://appshunter.io/ios/app/ultra-intervals-workout-timer/id1486825021/reviews) |
| Number of ratings | **24K** | 4 |
| Positive reviews | 74.6% of reviews | **88.9% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 6 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 95 MB | 9 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Runloop Ltd](https://appshunter.io/developer/325563420) | [Tapio Kuusisto](https://appshunter.io/developer/978979861) |

## 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


### Ultra Intervals Workout Timer

[App page](https://appshunter.io/ios/app/ultra-intervals-workout-timer/id1486825021)

Create and customize interval training routines with simple text input. This app guides you through workouts with spoken cues, sound alerts, and large visual displays, allowing you to focus on your exercise. It supports various training styles like HIIT and Tabata, and can even manage music playback during sessions.

**Highlights:** Create custom interval workouts using plain text, Spoken exercise names, times, and notifications, Customizable sound cues and visual displays, Support for HIIT, Tabata, and circuit training, Mix timed and non-timed workout sections, Music ducking for notifications, Pre-loaded sample workouts

**Features:** macOS Compatibility

**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 Ultra Intervals Workout Timer free?

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

### Which has better reviews, Seconds Interval Timer or Ultra Intervals Workout Timer?

Seconds Interval Timer is rated higher. Seconds Interval Timer averages 4.7 out of 5 from 24K ratings, while Ultra Intervals Workout Timer averages 4.5 from 4 ratings.

### Do Seconds Interval Timer or Ultra Intervals Workout Timer have ads?

Neither Seconds Interval Timer nor Ultra Intervals Workout Timer shows ads.

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

Seconds Interval Timer ships an update monthly, and Ultra Intervals Workout Timer every 6 days. Most recently, Seconds Interval Timer was updated on October 14, 2026 and Ultra Intervals Workout Timer on September 19, 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.*