# Interval Timer vs Hidden Timer

The clearest difference is in-app purchases: Hidden Timer at none against Interval Timer's 3. Hidden Timer also leads on iOS requirement (15.8.3 vs 17.0). Interval Timer's advantage is ads (none vs shown). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Interval Timer sells 3 in-app purchases, starting at $2.99 per month. Hidden Timer asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Interval Timer against 5.0 for Hidden Timer. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 30, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Interval Timer | Hidden Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/interval-timer-focus-and-hiit/id6478761128/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/hidden-timer/id6502872588/reviews) |
| Number of ratings | 1 | **2** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 17 MB | 35 MB |
| Requires iOS | 17.0 | **15.8.3** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Evgeny Goncharov](https://appshunter.io/developer/1726728195) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-focus-and-hiit/id6478761128)

This app provides versatile timers for various activities, including high-intensity interval training, Pomodoro technique, and meditation. Its intuitive design and customizable modes help users focus on their tasks or workouts without distraction.

**Highlights:** Rotary knob for time setting, Four distinct timer modes (Timer, Pomodoro, Interval, Meditation), Customizable work/rest durations for intervals, Automatic session tracking for Pomodoro, Keyboard shortcuts for play/pause and reset, Native notifications and haptic feedback

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $2.99 | per month |
| Annual Premium | $14.99 | per year |
| Phygital Timer Plus | $4.99 | one-time |


### Hidden Timer

[App page](https://appshunter.io/ios/app/hidden-timer/id6502872588)

This utility app provides a timer function that allows users to conceal the countdown while it is active. It offers a unique way to manage time without visual distraction.

**Highlights:** Hide timer countdown, Stealth time management, Simple timer functionality, Distraction-free use

**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 Hidden Timer free?

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

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

Interval Timer and Hidden Timer are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

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

Hidden Timer shows ads; Interval Timer does not.

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

Interval Timer ships an update every 2 weeks, and Hidden Timer every 2 weeks. Most recently, Interval Timer was updated on October 30, 2026 and Hidden Timer on October 27, 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.*