Comparison

Interval Timer | HIIT Training vs Rondo

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

Head to head
About

Interval Timer | HIIT Training

This app provides a customizable interval timer for various training activities like HIIT and Tabata. Users can build custom workouts with named phases, sounds, and vibrations, and save them as presets that sync across devices. It also supports background operation with screen off.

Highlights
  • Customizable workout builder
  • Nestable repeat blocks
  • Custom phases with names, colors, sounds, and vibrations
  • Drag and drop reordering
  • Save and reuse workout presets
  • Syncs between iPhone and Apple Watch
  • Background operation with screen off
Features
Read full description

Easy to use interval timer for iPhone and Apple Watch. Set the number of series, train time and rest time, with a colorful interface that makes the current state of the timer easy to read at a glance. Build your own workouts: - Repeat blocks you can nest to create rounds within rounds - Custom phases, each with its own name, color, sound and vibration - Drag and drop to reorder phases and blocks - Save workouts as presets and reuse them anytime - Presets sync between your phone and your Apple Watch - Sign in to back up your timers, settings and sounds and pick them up on your other devices (Pro) Keep training with the screen off: the timer keeps running in the background and alerts you at every phase change. Perfect for any of your training activities: - HIIT Training - Tabata - Circuit training - Pomodoro ...and more. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

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

Interval Timer | HIIT Training4 screens
Rondo4 screens

Verdict

The call

The clearest difference is in-app purchases: Rondo at none against Interval Timer | HIIT Training's 3. Rondo also leads on ads (none vs shown). Interval Timer | HIIT Training's advantage is iOS requirement (16.0 vs 18.0). On price, update cadence 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. Interval Timer | HIIT Training sells 3 in-app purchases, starting at $1.99 per month. Rondo asks for nothing beyond the download.

UpkeepUpdate frequency

Interval Timer | HIIT Training ships an update every 10 days, Rondo every 3 weeks. The most recent releases landed on October 31, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 6 level
Interval Timer | HIIT Training versus Rondo: the parameters behind the verdict, then further details
ParameterInterval Timer | HIIT TrainingRondo
PriceFreeFree
Rating1.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 10 days — betterEvery 3 weeks
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPad
Requires iOS16.0 — better18.0
Further details — not scored
Size86 MB3 MB
Age rating4+4+
DeveloperLS PROGRAMACAO LTDAAnton Litmansky

In-app purchases

3 purchases

Interval Timer | HIIT Training

Subscriptions2
  • Interval Timer Pro Monthly$1.991 Month
  • Interval Timer Pro Annual7 Days trial$11.991 Year
One-time1
  • Interval Timer Pro Lifetime$29.99
None

Rondo

No in-app purchases

Questions

Is Interval Timer | HIIT Training free?
Interval Timer | HIIT Training is free to download, with in-app purchases available.
Is Rondo free?
Rondo is free to download, with no in-app purchases.
Do Interval Timer | HIIT Training or Rondo have ads?
Interval Timer | HIIT Training shows ads; Rondo does not.
Which is updated more often, Interval Timer | HIIT Training or Rondo?
Interval Timer | HIIT Training ships an update every 10 days, and Rondo every 3 weeks. Most recently, Interval Timer | HIIT Training was updated on October 31, 2026 and Rondo on October 24, 2026.

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