Justfit vs Overtone
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Justfit
This interval timer app allows users to create custom workout routines like Tabata, HIIT, or boxing circuits with customizable intervals and voice announcements. It offers background operation, Apple Watch integration, and detailed workout history.
- Unlimited custom intervals, sets, and rest periods
- Voice announcements and countdowns
- Background operation with large display
- Apple Watch app and Lock Screen Live Activity
- Workout history and weekly insights
- Widgets and Siri integration
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Justfit is the interval timer that stays out of your way. Build a circuit, Tabata, HIIT or boxing timer in seconds and let it run in the background with big, readable digits. WHAT YOU GET • Unlimited intervals, sets and rest — name and color each one • Voice announcements and 3-2-1 countdown, so you never look at the screen • Sounds that cut through your music, then get out of the way • Apple Watch app and complication, Live Activity on the Lock Screen • History, streaks and weekly insights • Widgets and Siri: "Start Tabata in Justfit" FREE VS PRO Free: 3 timers, all basic sounds, 7-day history. Pro unlocks unlimited timers, templates, premium sounds and full insights — monthly, yearly or one-time. PRIVACY No account, no tracking. Your timers stay on your device and, if you choose, in your iCloud. Terms of Use (EULA): https://www.nahitfidanci.com/justfit/terms Privacy Policy: https://www.nahitfidanci.com/justfit/privacy
Overtone
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Overtone is an interval timer that stays out of the way of your music. Set a total time and a beep interval, or build rounds of work and rest. Press Start, lock your phone, put it in your pocket. The cues play over whatever you are listening to, without pausing it and without turning it down. BUILT FOR HIIT, CIRCUITS, TABATA AND TEMPO RUNS • Simple mode: total time plus a beep every X seconds • Rounds mode: work, rest, rounds, warm-up and cool-down, with a distinct cue at every change • 3-2-1 countdown ticks before each cue, and a get-ready lead-in before you start • Pause, skip ahead, or extend without breaking stride YOUR MUSIC KEEPS PLAYING Overtone mixes with other apps instead of interrupting them. Spotify, Apple Music, podcasts and audiobooks carry on at full volume. ON THE LOCK SCREEN AND IN THE DYNAMIC ISLAND See the current phase and the countdown without unlocking. Pause and resume from the Live Activity. YOUR SOUNDS Pick from built-in chirps, beeps, bells and gongs, or record your own three-second cue with the microphone. Yes, you can make it your own voice. FREE FOR A FULL MONTH, THEN ONE DOLLAR Everything is free for 30 days. After that, a single one-time purchase unlocks Overtone forever. No subscription, no ads, no account.
Screenshots
Verdict
The clearest difference is ads: Overtone at none against Justfit's shown. Justfit's advantage is update cadence (every 3 days vs every 8 days) and device support (4 vs 1). On price 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
Both are free to download. Justfit sells 5 in-app purchases, starting at $2.99 per month and Overtone sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Justfit ships an update every 3 days, Overtone every 8 days. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.
| Parameter | Justfit | Overtone |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 days — better | Every 8 days |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 116 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Ferda Nahit Fidanci | MATTHEW KA YEUNG KWAN |
In-app purchases
Justfit
- Monthly$2.991 Month
- Annual7 Days trial$14.991 Year
- Justfit Pro Annual1 Year trial$14.991 Year
- Justfit Pro Lifetime$22.99
- Lifetime access$29.99
Overtone
- 30-day TrialFree
- Full Unlock$0.99









