Comparison

Custom Interval Timers vs Rondo

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

Head to head
About

Custom Interval Timers

Design personalized interval timers for workouts or productivity. Its intuitive editor allows for custom flows with various settings like countdowns and personalized interfaces. Offers light/dark modes and an option to disable ads.

Highlights
  • Customizable interval flows
  • Intuitive timer editor
  • Count up or down timers
  • Personalized running interface
  • Light/dark mode
  • Ad-free option
Features
Read full description

Create highly customizable interval timers in a beautiful Interface. Interval timers are useful for exercise, like High-intensity interval training (HIIT) or Tabata, and can also be used to manage productivity, events, and more! This app provides a fascinatingly simple and intuitive editor for setting up your own custom timers. With just a few building blocks you can create the exact experience you want. Multiple settings to match your preferences: - Count up or down - Personalize the running interface to show what matters to you - Light/dark mode - Disable ads for free!

About

Rondo

Features
Read full description

Rondo is a focused interval timer for building and running repeatable routines. Create simple work/rest timers in seconds, or build custom sequences with phases, repeat blocks, and sets. Use it for workouts, HIIT, Tabata, EMOM-style sessions, stretching, study blocks, rehearsals, recovery routines, or any activity that needs structured timing. Features: - Quick Setup for fast interval timers - Custom sequences with phases, repeats, and sets - Saved timers for routines you use often - Session history with completed and interrupted runs - Sound, speech, haptic, and local notification alerts - Offline-first design with no account required - Local backup and restore Rondo keeps your timers, settings, and history on your device. No sign-in, no tracking, and no cloud sync required. Privacy policy: https://rondo.anlivio.com/privacy Terms of use: https://rondo.anlivio.com/terms

Screenshots

Custom Interval Timers4 screens
Rondo4 screens

Verdict

The call

The clearest difference is ads: Rondo at none against Custom Interval Timers's shown. Rondo also leads on update cadence (every 2 weeks vs every 4 months). Custom Interval Timers's advantage is iOS requirement (15.1 vs 18.0). On price, in-app purchases and device support 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

Custom Interval Timers ships an update every 4 months, Rondo every 2 weeks. The most recent releases landed on October 5, 2026 and October 6, 2026 respectively.

Scorecard3 real differences · 7 level
Custom Interval Timers versus Rondo: the parameters behind the verdict, then further details
ParameterCustom Interval TimersRondo
PriceFreeFree
Rating5.0 (14 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings14 — better—
Update frequencyEvery 4 monthsEvery 2 weeks — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better18.0
Further details — not scored
Size40 MB3 MB
Age rating4+4+
DeveloperAlex RichAnton Litmansky

In-app purchases

None

Custom Interval Timers

No in-app purchases

None

Rondo

No in-app purchases

Questions

Is Custom Interval Timers free?
Custom Interval Timers is free to download, with no in-app purchases.
Is Rondo free?
Rondo is free to download, with no in-app purchases.
Do Custom Interval Timers or Rondo have ads?
Custom Interval Timers shows ads; Rondo does not.
Which is updated more often, Custom Interval Timers or Rondo?
Custom Interval Timers ships an update every 4 months, and Rondo every 2 weeks. Most recently, Custom Interval Timers was updated on October 5, 2026 and Rondo on October 6, 2026.

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