SimplyTimer vs Interval(x)
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SimplyTimer
This minimalist app is designed to help you achieve your fitness goals with ease. It offers customizable intervals and background mode to keep your timer running smoothly. Enhance your training sessions and stay motivated with this efficient, distraction-free workout companion.
- Easy to use interface
- Customizable intervals
- Background timer mode
- Supports HIIT, Tabata, Boxing, circuit training
- Minimalist design
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Elevate your workouts with the Simple Interval Timer, your new perfect exercise companion. Whether you're into HIIT, Tabata, Boxing, circuit training, or any high-intensity exercise, our minimalist app is designed to help you achieve your fitness goals with ease. *Key Features:* - *Easy to Use:* Kickstart your workouts with a single tap, thanks to our hassle-free user interface. - *Customizable Intervals:* Tailor the number of sets, workout duration, rest time, and more to fit your needs, optimizing your training sessions. - *Background Mode:* Keep your timer running smoothly in the background, even when your device is locked, ensuring you stay on track with your workouts. Enhance your training sessions, stay motivated, and track your progress effortlessly with the Simple Interval Timer. It's the ultimate tool for efficient, distraction-free workouts. Experience the simplicity and effectiveness of the Simple Interval Timer today. Download now to elevate your fitness journey! Your feedback is valuable to us, feel free to share your experience and help us improve.
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 update cadence: SimplyTimer at every 2 days against Interval(x)'s every 10 days. SimplyTimer also leads on iOS requirement (14.0 vs 18.1). On price, rating, ratings volume 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. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for SimplyTimer against 5.0 for Interval(x). Both are backed by a comparable volume of ratings — 1 and 1 respectively.
SimplyTimer ships an update every 2 days, Interval(x) every 10 days. The most recent releases landed on August 25, 2026 and September 18, 2026 respectively.
| Parameter | SimplyTimer | Interval(x) |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Positive reviews | 94.1% of reviews | — |
| Number of ratings | 1 | 1 |
| Update frequency | Every 2 days — better | Every 10 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 14.0 — better | 18.1 |
| Further details — not scored | ||
| Size | 23 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Maurice-Nikita Rafael Reichert | ShapeHaven Innovations LLC |
Customer experience
SimplyTimer
Interval(x)
In-app purchases
SimplyTimer
No in-app purchases
Interval(x)
No in-app purchases





