Round Timer vs Timer4BJJ
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Round Timer
This interval timer offers extensive customization for workouts, training, or any timed activity. Features include custom presets, sound libraries, voice announcements, and detailed session tracking. Enjoy an intuitive, ad-free experience designed for flexibility.
- Customizable colors
- Custom presets
- Rich sound library
- Voice announcements
- Proximity sensor support
- Shake-to-pause
- Detailed session summaries
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Round is the ultra-customizable interval timer designed to supercharge anything you do. It’s packed with features like customizable colors, custom presets, a rich library of sounds, voice announcements, proximity sensor support, shake-to-pause, and precise time entry. Track your sessions with detailed summaries, enable tick sounds, and enjoy an intuitive, ad-free interface. Perfect for any activity, from sports to work.
Timer4BJJ
This app helps practitioners time their Brazilian Jiu-Jitsu rolling and rest periods. It allows for custom configurations of multiple rounds with distinct durations, streamlining training sessions.
- Customizable roll and rest times
- Multiple round configurations
- Simple and practical interface
- Efficient training tool
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Timer specifically designed to address roll time for bjj sessions. It's possible do define different roll and rest times for a different numbers of rolls, all at once, and then let it do its job. Simple, practical and efficient - all you need for your rolling.
Screenshots
Verdict
The clearest difference is review sentiment: Round Timer at 67% against Timer4BJJ's 0%. Round Timer also leads on rating (4.9 vs 1.0) and update cadence (every 2 weeks vs every 7 months). Timer4BJJ's advantage is in-app purchases (none vs 1). On price, ads, monetization model 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
Both are free to download. Round Timer sells 1 one-off in-app purchase. Timer4BJJ asks for nothing beyond the download.
Round Timer holds the better App Store score, 4.9 against 1.0. That said, the two scores are not equally well evidenced: Round Timer has 14 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 67% of Round Timer's written reviews are positive against 0% of Timer4BJJ's.
Round Timer ships an update every 2 weeks, Timer4BJJ every 7 months. The most recent releases landed on August 23, 2026 and June 1, 2026 respectively.
| Parameter | Round Timer | Timer4BJJ |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (14 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 66.7% of reviews — better | 0.0% of reviews |
| Number of ratings | 14 — better | 1 |
| Update frequency | Every 2 weeks — better | Every 7 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 18 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Yauhen Bahdanovich | INVENTIVE TECHNOLOGY CONSULTING GmbH |
Customer experience
Round Timer
Timer4BJJ
In-app purchases
Round Timer
- Round Pro$0.99
Timer4BJJ
No in-app purchases









