Comparison

Interval(x) vs TimeHero Customizable Timers

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

Head to head
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.

About

TimeHero Customizable Timers

Create personalized multi-step timers with custom audio alerts for various activities. Save and reuse routines for workouts, cooking, studying, and more. Features include unlimited rounds, dark mode, and sharing options.

Highlights
  • Multi-step custom timers
  • Unlimited rounds
  • Personalized audio alerts
  • Save and reuse routines
  • Stopwatch and countdown timers
  • Dark mode
  • Share timer routines
Features
Read full description

Create personalized multi-step timers with custom audio alerts for any activity. Perfect for HIIT workouts, interval training, boxing rounds, yoga sessions, cooking recipes, crossfit, sports, jiu jitsu, mma, study breaks, and productivity routines. Key Features: • Multi-step custom timers with unlimited rounds • Personalized audio alerts and warning sounds • Save and reuse your favorite timer routines • Stopwatch and Countdown Timers • Dark mode for low-light environments • Send and Share with friends by Importing workouts, easy copy and paste format Perfect For: Fitness enthusiasts, athletes, home cooks, students, and anyone who needs precise timing control. Whether you're doing circuit training, following a recipe, or managing work intervals, TimeHero adapts to your routine. Why Choose TimeHero? Unlike basic timers, TimeHero lets you build complex timing sequences once and reuse them forever. No more constantly resetting timers or losing track of your workout steps. Download TimeHero and take control of your time today!

Screenshots

Interval(x)3 screens
TimeHero Customizable Timers4 screens

Verdict

The call

The clearest difference is update cadence: TimeHero Customizable Timers at every 2 days against Interval(x)'s every 10 days. TimeHero Customizable Timers also leads on ratings volume (10 vs 1) and iOS requirement (15.1 vs 18.1). On price, rating, 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.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Interval(x) against 5.0 for TimeHero Customizable Timers. That said, the two scores are not equally well evidenced: TimeHero Customizable Timers has 10 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Interval(x) ships an update every 10 days, TimeHero Customizable Timers every 2 days. The most recent releases landed on October 6, 2026 and October 12, 2026 respectively.

Scorecard3 real differences · 7 level
Interval(x) versus TimeHero Customizable Timers: the parameters behind the verdict, then further details
ParameterInterval(x)TimeHero Customizable Timers
PriceFreeFree
Rating5.0 (1 ratings)5.0 (10 ratings)
Positive reviews—100.0% of reviews
Number of ratings110 — better
Update frequencyEvery 10 daysEvery 2 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.115.1 — better
Further details — not scored
Size2 MB34 MB
Age rating4+4+
DeveloperShapeHaven Innovations LLCDavid Stewart

Customer experience

Interval(x)

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

TimeHero Customizable Timers

All ratings10 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews9 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Interval(x)

No in-app purchases

None

TimeHero Customizable Timers

No in-app purchases

Questions

Is Interval(x) free?
Interval(x) is free to download, with no in-app purchases.
Is TimeHero Customizable Timers free?
TimeHero Customizable Timers is free to download, with no in-app purchases.
Which has better reviews, Interval(x) or TimeHero Customizable Timers?
Interval(x) and TimeHero Customizable Timers are both rated 5.0 out of 5 on the App Store, from 1 and 10 ratings respectively.
Do Interval(x) or TimeHero Customizable Timers have ads?
Neither Interval(x) nor TimeHero Customizable Timers shows ads.
Which is updated more often, Interval(x) or TimeHero Customizable Timers?
Interval(x) ships an update every 10 days, and TimeHero Customizable Timers every 2 days. Most recently, Interval(x) was updated on October 6, 2026 and TimeHero Customizable Timers on October 12, 2026.

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