# Seconds Interval Timer vs Interval Timer

The clearest difference is ratings volume: Seconds Interval Timer at 24K against Interval Timer's 2. Seconds Interval Timer also leads on device support (3 vs 1) and iOS requirement (18.0 vs 26.0). Interval Timer's advantage is rating (5.0 vs 4.7). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Seconds Interval Timer sells 1 one-off in-app purchase and Interval Timer sells 4 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Interval Timer 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 2, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 13, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Seconds Interval Timer | Interval Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (24K ratings)](https://appshunter.io/ios/app/seconds-interval-timer/id475816966/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/interval-timer-kntc/id6756572360/reviews)** |
| Number of ratings | **24K** | 2 |
| Positive reviews | 74.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 95 MB | 48 MB |
| Requires iOS | **18.0** | 26.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Runloop Ltd](https://appshunter.io/developer/325563420) | [Ruslan Sayfutdinov](https://appshunter.io/developer/1195076753) |

## 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


### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-kntc/id6756572360)

This app provides a customizable interval timer for various training styles like HIIT, boxing, and Tabata. It features a distraction-free interface, audio cues, and haptic feedback for focused workouts. It also integrates with HealthKit to log your training sessions.

**Highlights:** Customizable work/rest intervals, HIIT, Sprint, Boxing, and Tabata timers, Rounds and sets control, Audio cues and voice guidance, Haptic feedback, HealthKit integration

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KNTC Interval Timer Monthly Access | $2.99 | per month |
| Weekly Access | $4.99 | per 7 days |
| KNTC Interval Timer Annual Access | $19.99 | per year |
| KNTC Interval Timer PRO | $29.99 | one-time |


## Frequently asked questions

### Is Seconds Interval Timer free?

Seconds Interval Timer is free to download, with in-app purchases available.

### Is Interval Timer free?

Interval Timer is free to download, with in-app purchases available.

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

Interval Timer is rated higher. Seconds Interval Timer averages 4.7 out of 5 from 24K ratings, while Interval Timer averages 5.0 from 2 ratings.

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

Neither Seconds Interval Timer nor Interval Timer shows ads.

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

Seconds Interval Timer ships an update monthly, and Interval Timer monthly. Most recently, Seconds Interval Timer was updated on October 13, 2026 and Interval Timer on September 20, 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.*