# Seconds Interval Timer vs Intervals

The clearest difference is in-app purchases: Intervals at none against Seconds Interval Timer's 1. Intervals also leads on rating (5.0 vs 4.7) and iOS requirement (12.1 vs 18.0). Seconds Interval Timer's advantage is ads (none vs shown) and ratings volume (24K vs 1). On price and device support there is nothing between them.

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

Intervals holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Seconds Interval Timer has 24K ratings behind it against 1, so its average is the more settled of the two.

Seconds Interval Timer ships an update monthly, Intervals every 4 months. The most recent releases landed on October 18, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Seconds Interval Timer | Intervals |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (24K ratings)](https://appshunter.io/ios/app/seconds-interval-timer/id475816966/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/intervals-hiit-builder-lite/id1565592459/reviews)** |
| Number of ratings | **24K** | 1 |
| Positive reviews | 74.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 4 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 95 MB | 15 MB |
| Requires iOS | 18.0 | **12.1** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Runloop Ltd](https://appshunter.io/developer/325563420) | [Curtis Wichern](https://appshunter.io/developer/1545032848) |

## 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


### Intervals

[App page](https://appshunter.io/ios/app/intervals-hiit-builder-lite/id1565592459)

Design custom interval training routines for high-intensity workouts. This free timer app offers large, clear visuals and audible cues for seamless transitions between exercises. It's ideal for home or outdoor fitness sessions, including Tabata and yoga.

**Highlights:** Custom interval workout creation, Large font and contrasting colors, Audible interval transition cues, Supports Tabata and yoga workouts, No account or personal data required, Offline workout storage

**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 Intervals free?

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

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

Intervals is rated higher. Seconds Interval Timer averages 4.7 out of 5 from 24K ratings, while Intervals averages 5.0 from 1 ratings.

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

Intervals shows ads; Seconds Interval Timer does not.

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

Seconds Interval Timer ships an update monthly, and Intervals every 4 months. Most recently, Seconds Interval Timer was updated on October 18, 2026 and Intervals on October 2, 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.*