# Interval(x) — def interval(x)

> Open-source, privacy-focused interval timer for precise training and routines. (iPhone/iPad app by ShapeHaven Innovations LLC.)

- Source: https://appshunter.io/ios/app/intervalx/id6739734149 (this page in markdown: same URL + `.md`)
- Developer: [ShapeHaven Innovations LLC](https://appshunter.io/developer/1747127977)
- Category: Health & Fitness, Lifestyle
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 18.1 · 2 MB
- Languages: English
- Released: 2024-12-23
- Data updated: 2026-06-01
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/intervalx/id6739734149/reviews.md

## What is Interval(x)?

Interval(x): Open Source Precision for Engineers

Engineered for precision and transparency, Interval(x) is the ultimate interval timer for those who value control, simplicity, and privacy. Built by engineers for engineers, this app delivers unmatched timing accuracy without the frills—or the data collection.

Why Engineers Love Interval(x):
Open Source: Fully transparent and modifiable—because we believe in community-driven development.
Zero Data Collection: Your data is yours. Interval(x) operates without tracking, analytics, or unnecessary permissions.
Customizable and Precise: Configure work/rest intervals down to the millisecond to match your exact training needs.
Efficient Design: Lightweight, power-efficient, and designed for those who demand performance.
Privacy-First, Community-Driven
Interval(x) is a privacy-focused tool that doesn't track your activity or collect your data. Its open-source codebase is available for review and contributions, ensuring transparency and trust.

Whether you're training for endurance, strength, or just optimizing your daily routine, Interval(x) provides the precision and simplicity you need without sacrificing your privacy.

Download Interval(x) today and experience fitness on your terms.
Power your workouts with open source freedom and engineering-grade accuracy.

## Key features

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


## Frequently asked questions about Interval(x)

### What is Interval(x) used for?

Interval(x) is an interval timer designed for precision timing in workouts and daily routines. It allows users to configure work and rest periods with millisecond accuracy, offering a transparent and private experience.

### Is Interval(x) open source?

Yes, Interval(x) is an open-source application. Its codebase is available for review and contributions, emphasizing community-driven development and transparency.

### Does Interval(x) collect user data?

No, Interval(x) is built with a privacy-first approach and collects zero user data. It operates without tracking, analytics, or unnecessary permissions, ensuring your data remains yours.

### What devices does Interval(x) support?

Interval(x) is currently supported on iPhone and iPad devices, making it accessible for Apple users.

### How accurate is Interval(x) timing?

Interval(x) is engineered for precision and allows users to configure work and rest intervals down to the millisecond, ensuring exact timing for specific training needs.

### What is the age rating for Interval(x)?

Interval(x) has an age rating of 4+, indicating it is suitable for a wide range of users.

### How often is Interval(x) updated?

The latest version of Interval(x) was released on January 2, 2025, suggesting a recent update. The app is generally updated to maintain performance and introduce improvements.

### What is the user sentiment for Interval(x)?

Based on available data, Interval(x) has a perfect rating of 5.0 stars from 1 rating, indicating very positive initial user sentiment.

## Version history (last 2 releases)

### 1.1 — 2025-01-02

UI Redesign for Simplicity: Cleaned up the layout and typography to make the timer and controls more intuitive, ensuring a more user-friendly experience across all devices.Scrolling Support: Wrapped the main content in a vertical ScrollView so nothing gets cut off in smaller or rotated screens, keeping all controls accessible. Confetti Animation: Added a confetti layer that triggers upon activity completion, injecting a bit of celebratory fun when users finish their intervals. Landscape View Enhancements: Refined layouts and font sizing logic so that everything fits smoothly in both portrait and landscape orientations, giving users a seamless experience while rotating their device.

### 1.0 — 2024-12-23

No release notes.

## Apps similar to Interval(x)

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [OpenHIIT](https://appshunter.io/ios/app/openhiit/id6459617819) | 5.0 (8) | Free | Health & Fitness |
| [Interval Timer - Simplified](https://appshunter.io/ios/app/interval-timer-simplified/id6467514861) | 5.0 (7) | Free | Health & Fitness |
| [Dance Buddy: Learn Any Dance](https://appshunter.io/ios/app/dance-buddy-learn-any-dance/id6752668955) | 5.0 (3) | Free | Health & Fitness |
| [The ARC Gym](https://appshunter.io/ios/app/the-arc-gym/id6740489150) | 5.0 (2) | Free | Health & Fitness |
| [WillTrack](https://appshunter.io/ios/app/willtrack/id6754178733) | — | Free | Health & Fitness |
| [WorkoutPulse \| Tabata Timer](https://appshunter.io/ios/app/workoutpulse-tabata-timer/id6444348524) | 5.0 (3) | Free | Health & Fitness |

## More apps by ShapeHaven Innovations LLC

- [Joke Assembly](https://appshunter.io/ios/app/joke-assembly/id6502868916)
- [WordFlora](https://appshunter.io/ios/app/wordflora/id6677005015)
- [Simple-Task](https://appshunter.io/ios/app/simple-task/id6714447993)
- [Rhythm(x)](https://appshunter.io/ios/app/rhythmx/id6740507389)
- [mDNSShark](https://appshunter.io/ios/app/mdnsshark/id6741874026)

All apps by ShapeHaven Innovations LLC: https://appshunter.io/developer/1747127977

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-01.*