Interval Timer Plus vs Interval(x)
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Interval Timer Plus
This versatile timer app offers a simple yet powerful way to manage timed activities. Customize multiple intervals with individual colors and sounds, and save them as presets for quick access. It's designed for ease of use and visibility, even from a distance, and works seamlessly in the background.
- Customizable intervals
- Named intervals with voice readout
- Individual colors and sounds
- Count time or repetitions
- Unlimited presets
- Works in background
- Full screen color coding
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Free, simple and easy to use all purpose Interval Timer SIMPLE AND FREE INTERVAL TIMER + 1-Tap Quickstart + No signup required, download and get going immediately GLANCEABLE + Very Big Fonts, visible from everywhere + Full screen color coding, works like a traffic light right in front of you + Portrait or landscape, always uses the full screen space POWERFUL ADVANCED PRESETS + Multiple intervals, each individually customizable + Name your intervals and have Interval Timer read it out to you + Individual colors and sounds + Count time or repetitions + Unlimited amount of presets ACCESSIBLE + Works with locked screen or while in another app + Reads out the interval name, so you know exactly what’s on + Vibration or silent mode, for the times when you need to tune it down + Works great with headphones and your own music + Supports dark and light mode REPEAT YOUR ROUTINE + Prepare and save your settings in presets + Pick your presets and start with just 1-tap OPTIMIZE ALL OF YOUR ACTIVITIES + Tabata timer + HIIT training + Crossfit + Circuit training + Fitness routines + Home workouts + Boxing round timer + Calisthenics circuit timer
Interval(x)
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.
- Open Source Transparency
- Zero Data Collection
- Millisecond Interval Precision
- Customizable Work/Rest Periods
- Lightweight and Power-Efficient
- Privacy-First Design
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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.
Screenshots
Verdict
The clearest difference is in-app purchases: Interval(x) at none against Interval Timer Plus's 1. Interval(x) also leads on update cadence (every 10 days vs every 2 months). Interval Timer Plus's advantage is ratings volume (6.2K vs 1) and device support (4 vs 2). On price, rating and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Interval Timer Plus sells 1 one-off in-app purchase. Interval(x) asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.9 for Interval Timer Plus against 5.0 for Interval(x). That said, the two scores are not equally well evidenced: Interval Timer Plus has 6.2K ratings behind it against 1, so its average is the more settled of the two.
Interval Timer Plus ships an update every 2 months, Interval(x) every 10 days. The most recent releases landed on October 5, 2026 and September 18, 2026 respectively.
| Parameter | Interval Timer Plus | Interval(x) |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (6.2K ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 95.0% of reviews | — |
| Number of ratings | 6.2K — better | 1 |
| Update frequency | Every 2 months | Every 10 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 18.1 |
| Further details — not scored | ||
| Size | 24 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Su-Au Hwang | ShapeHaven Innovations LLC |
Customer experience
Interval Timer Plus
Interval(x)
Bugs and requests
Interval Timer Plus
Reported bugs
1 issue- Audio alerts not working when app is in the background
Requested features
2 requests- Support for Apple Watch integration
- Ability to delete saved workouts
Interval(x)
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Interval Timer Plus
- Remove Ads$2.99
Interval(x)
No in-app purchases
Questions
Is Interval Timer Plus free?
Is Interval(x) free?
Which has better reviews, Interval Timer Plus or Interval(x)?
Do Interval Timer Plus or Interval(x) have ads?
Which is updated more often, Interval Timer Plus or Interval(x)?
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