# Interval Timer vs Interval Timer One

The clearest difference is in-app purchases: Interval Timer One at none against Interval Timer's 2. Interval Timer One also leads on device support (3 vs 1) and iOS requirement (13.0 vs 18.0). Interval Timer's advantage is ratings volume (142 vs 2) and update cadence (every 3 weeks vs every 2 months). On price, rating and ads there is nothing between them.

Both are free to download. Interval Timer sells 2 in-app purchases, starting at $2.99 per month. Interval Timer One asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for Interval Timer against 5.0 for Interval Timer One. That said, the two scores are not equally well evidenced: Interval Timer has 142 ratings behind it against 2, so its average is the more settled of the two.

Interval Timer ships an update every 3 weeks, Interval Timer One every 2 months. The most recent releases landed on October 3, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Interval Timer | Interval Timer One |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (142 ratings)](https://appshunter.io/ios/app/interval-timer-multiple-hiit/id1598597704/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/interval-timer-one/id6449265364/reviews)** |
| Number of ratings | **142** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 6 MB | 2 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Duleep Madusanka](https://appshunter.io/developer/1536533862) | [jun hyun](https://appshunter.io/developer/1688453095) |

## What reviewers say

### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-multiple-hiit/id1598597704)

Create personalized workout timers for HIIT, Tabata, and circuit training. Customize intervals, choose voice or beep cues, and run timers in the background with music. Includes a stopwatch and countdown timer for versatile fitness tracking.

**Highlights:** Custom interval timers, Voice or beep cues, Background operation, Customizable countdown, Stopwatch and countdown timer, Dark and light mode

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Interval Timer (Monthly) | $2.99 | per month |
| Interval Timer (Lifetime) | $14.99 | one-time |


### Interval Timer One

[App page](https://appshunter.io/ios/app/interval-timer-one/id6449265364)

This user-friendly interval timer app simplifies fitness routines by allowing effortless customization of workout durations. It offers intuitive controls for setting intervals, pausing, resuming, and adjusting the timer, ensuring a focused and efficient training experience without unnecessary features.

**Highlights:** Intuitive interval customization, Pause and resume functionality, Adjust timer forward/backward, Uninterrupted timer operation, Plays music without disruption

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Interval Timer free?

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

### Is Interval Timer One free?

Interval Timer One is free to download, with no in-app purchases.

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

Interval Timer One is rated higher. Interval Timer averages 4.9 out of 5 from 142 ratings, while Interval Timer One averages 5.0 from 2 ratings.

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

Neither Interval Timer nor Interval Timer One shows ads.

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

Interval Timer ships an update every 3 weeks, and Interval Timer One every 2 months. Most recently, Interval Timer was updated on October 3, 2026 and Interval Timer One 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.*