Pro Timer vs Justfit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Pro Timer
This interval timer app helps users create and manage custom workout circuits for high-intensity interval training. It offers intuitive design, quick circuit setup, and audio/visual cues to guide users through exercises. Users can also share their custom routines with others.
- Create custom workout circuits
- Quick circuit start
- Audio and visual cues
- Share circuits with friends
- Workout reminders
- Background mode support
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Whether you're leading a HIIT class, coaching a client or just trying to get in shape, Pro Timer got you covered. Unlike traditional timer apps we care about both design and simplicity. Pro Timer lets you create and time circuits in a new, intuitive and fast way. Like us, we want you to enjoy and focus on your workouts without having to keep track of either time or exercise. - Create new Circuits or use one of our built-in example Circuits - Quick start a Circuit in just two clicks, handy for those sparring rounds! - Stay up-to-date with new (free) Circuits in the Pro Timer store, made by experts exclusively for Pro Timer - Share your Circuits with friends or receive and import Circuits - Find, add and rearrange Exercises - Start your workout and let Pro Timer tell you what to do using audio and visual cues. - Workout reminders - Supports background mode Pro Timer, when success is your only option!
Justfit
This app provides customizable interval timers for various activities like HIIT, Tabata, meditation, and studying. Track your progress with detailed history and analytics, and personalize your experience with custom sounds and colors.
- Fully customizable interval timers
- Full-screen circular countdown/countup stopwatch
- Pre-made templates for HIIT, Tabata, Meditation
- Customizable audio for intervals, sets, and rest
- Detailed progress tracking and analytics
- Timer sharing via export/import
- Multilanguage support
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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 price: Justfit at Free against Pro Timer's $0.99. Justfit also leads on update cadence (every 3 days vs every 2 months). Pro Timer's advantage is in-app purchases (none vs 4) and iOS requirement (11.4 vs 15.0). On rating, review sentiment, ratings volume and ads 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
Justfit is free to download; Pro Timer costs $0.99 up front. Justfit sells 4 in-app purchases, starting at $1.99 per month. Pro Timer asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for Pro Timer against 5.0 for Justfit. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
Pro Timer ships an update every 2 months, Justfit every 3 days. The most recent releases landed on September 14, 2026 and October 3, 2026 respectively.
| Parameter | Pro Timer | Justfit |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 1 | 1 |
| Update frequency | Every 2 months | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Freemium — better |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Requires iOS | 11.4 — better | 15.0 |
| Further details — not scored | ||
| Size | 16 MB | 104 MB |
| Age rating | 4+ | 4+ |
| Developer | Wesley Scheper | Ferda Nahit Fidanci |
Customer experience
Pro Timer
Justfit
In-app purchases
Pro Timer
No in-app purchases
Justfit
- Monthly$1.991 Month
- Annual$7.991 Year
- Lifetime Access$3.99
- Lifetime Access$7.99









