# Interval(x) vs Simple Timer

The clearest difference is update cadence: Interval(x) at every 10 days against Simple Timer's monthly. Simple Timer's advantage is iOS requirement (15.6 vs 18.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Interval(x) ships an update every 10 days, Simple Timer monthly. The most recent releases landed on October 30, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Interval(x) | Simple Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/intervalx/id6739734149/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Monthly |
| Monetization | Free | — |
| Size | 2 MB | 24 MB |
| Requires iOS | 18.1 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ShapeHaven Innovations LLC](https://appshunter.io/developer/1747127977) | [Hyoungil Kim](https://appshunter.io/developer/1694504430) |

## What reviewers say

### Interval(x)

[App page](https://appshunter.io/ios/app/intervalx/id6739734149)

An open-source interval timer designed for precision and privacy. Configure work and rest periods with millisecond accuracy for training or daily routines. It offers a transparent, data-free experience for users who value control and simplicity.

**Highlights:** Open Source Transparency, Zero Data Collection, Millisecond Interval Precision, Customizable Work/Rest Periods, Lightweight and Power-Efficient, Privacy-First Design

**Features:** macOS Compatibility

**In-app purchases:** none


### Simple Timer

[App page](https://appshunter.io/ios/app/simple-timer-hiit-tabata/id6744844224)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Interval(x) free?

Interval(x) is free to download, with no in-app purchases.

### Is Simple Timer free?

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

### Do Interval(x) or Simple Timer have ads?

Neither Interval(x) nor Simple Timer shows ads.

### Which is updated more often, Interval(x) or Simple Timer?

Interval(x) ships an update every 10 days, and Simple Timer monthly. Most recently, Interval(x) was updated on October 30, 2026 and Simple Timer on November 8, 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.*