Comparison

Super Simple Interval Timer vs Interval(x)

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Super Simple Interval Timer

Features
Read full description

Simple and effective with zero ads, the Super Simple Interval Timer is all about ease and clarity for your interval training. Designed for anyone who wants a no-frills, easy-to-use timer, this app lets you focus more on your workout and less on setting up. Key Features: - Uncomplicated Setup: Get started quickly - set your workout and rest intervals with a few simple taps. - Clean Display: A clear, readable timer so you can check your progress at a glance. - Adjustable Intervals: Easily customize the duration of your workout and rest periods. - Audible Signals: Hear the start and end of each interval with distinct alerts. For a workout session where simplicity leads, Super Simple Interval Timer is your go-to app. Time your intervals effortlessly.

About

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.

Highlights
  • Open Source Transparency
  • Zero Data Collection
  • Millisecond Interval Precision
  • Customizable Work/Rest Periods
  • Lightweight and Power-Efficient
  • Privacy-First Design
Features
Read full description

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

Super Simple Interval Timer1 screens
Interval(x)3 screens

Verdict

The call

The clearest difference is iOS requirement: Interval(x) at 18.1 against Super Simple Interval Timer's 26.0. On price, update cadence, ads and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

Super Simple Interval Timer ships an update weekly, Interval(x) every 10 days. The most recent releases landed on September 15, 2026 and September 18, 2026 respectively.

Scorecard1 real difference · 8 level
Super Simple Interval Timer versus Interval(x): the parameters behind the verdict, then further details
ParameterSuper Simple Interval TimerInterval(x)
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyWeekly — betterEvery 10 days
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPadiPhone, iPad
Requires iOS26.018.1 — better
Further details — not scored
Size2 MB2 MB
Age rating4+4+
DeveloperRobin BorjessonShapeHaven Innovations LLC

In-app purchases

None

Super Simple Interval Timer

No in-app purchases

None

Interval(x)

No in-app purchases

Questions

Is Super Simple Interval Timer free?
Super Simple Interval Timer is free to download, with no in-app purchases.
Is Interval(x) free?
Interval(x) is free to download, with no in-app purchases.
Do Super Simple Interval Timer or Interval(x) have ads?
Neither Super Simple Interval Timer nor Interval(x) shows ads.
Which is updated more often, Super Simple Interval Timer or Interval(x)?
Super Simple Interval Timer ships an update weekly, and Interval(x) every 10 days. Most recently, Super Simple Interval Timer was updated on September 15, 2026 and Interval(x) on September 18, 2026.

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