Interval Timer Plus vs Justfit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Interval Timer Plus
This versatile timer app offers a simple yet powerful way to manage timed activities. Customize multiple intervals with individual colors and sounds, and save them as presets for quick access. It's designed for ease of use and visibility, even from a distance, and works seamlessly in the background.
- Customizable intervals
- Named intervals with voice readout
- Individual colors and sounds
- Count time or repetitions
- Unlimited presets
- Works in background
- Full screen color coding
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Free, simple and easy to use all purpose Interval Timer SIMPLE AND FREE INTERVAL TIMER + 1-Tap Quickstart + No signup required, download and get going immediately GLANCEABLE + Very Big Fonts, visible from everywhere + Full screen color coding, works like a traffic light right in front of you + Portrait or landscape, always uses the full screen space POWERFUL ADVANCED PRESETS + Multiple intervals, each individually customizable + Name your intervals and have Interval Timer read it out to you + Individual colors and sounds + Count time or repetitions + Unlimited amount of presets ACCESSIBLE + Works with locked screen or while in another app + Reads out the interval name, so you know exactly what’s on + Vibration or silent mode, for the times when you need to tune it down + Works great with headphones and your own music + Supports dark and light mode REPEAT YOUR ROUTINE + Prepare and save your settings in presets + Pick your presets and start with just 1-tap OPTIMIZE ALL OF YOUR ACTIVITIES + Tabata timer + HIIT training + Crossfit + Circuit training + Fitness routines + Home workouts + Boxing round timer + Calisthenics circuit timer
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
Screenshots
Verdict
The clearest difference is ads: Interval Timer Plus at none against Justfit's shown. Interval Timer Plus also leads on ratings volume (6.4K vs 1). Justfit's advantage is update cadence (every 3 days vs every 2 months). On price, rating, review sentiment 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. Interval Timer Plus sells 1 one-off in-app purchase and Justfit sells 5 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.9 for Interval Timer Plus against 5.0 for Justfit. That said, the two scores are not equally well evidenced: Interval Timer Plus has 6.4K ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 95% of Interval Timer Plus's written reviews are positive against 100% of Justfit's.
Interval Timer Plus ships an update every 2 months, Justfit every 3 days. The most recent releases landed on November 5, 2026 and November 3, 2026 respectively.
| Parameter | Interval Timer Plus | Justfit |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (6.4K ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 95.2% of reviews | 100.0% of reviews — better |
| Number of ratings | 6.4K — better | 1 |
| Update frequency | Every 2 months | Every 3 days — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod, Apple Watch | iPhone, iPad, iPod, Apple Watch |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 24 MB | 116 MB |
| Age rating | 4+ | 4+ |
| Developer | Su-Au Hwang | Ferda Nahit Fidanci |
Customer experience
Interval Timer Plus
Justfit
Bugs and requests
Interval Timer Plus
Reported bugs
1 issue- Audio alerts not working when app is in the background
Requested features
2 requests- Support for Apple Watch integration
- Ability to delete saved workouts
Justfit
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Interval Timer Plus
- Remove Ads$2.99
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
Questions
Is Interval Timer Plus free?
Is Justfit free?
Which has better reviews, Interval Timer Plus or Justfit?
Do Interval Timer Plus or Justfit have ads?
Which is updated more often, Interval Timer Plus or Justfit?
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