Jiu vs Tempo Interval
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Jiu
A private training journal for martial arts practitioners to log sessions, partners, and progress. Focus on improvement without needing an account or subscription. Your data stays securely on your device.
- Log training sessions and rounds
- Track training partners
- Set and monitor training focus
- View progress over time
- Searchable training history
- Export training data
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Stop losing the lesson between classes. Jiu-Jitsu Logs is a private training journal for the mats. Log your rounds and partners, save one focus for next class, and watch the weeks add up. Free. No account. Your journal stays on your iPhone. TODAY See your next focus before you leave for class and this week’s sessions at a glance. Your streak and training rhythm are one tap away. JOURNAL Every session in one place, searchable. Gi or no-gi, time on the mat, and who you rolled with. SESSION Rounds, partners, and the one useful detail you’d otherwise lose on the drive home. PARTNERS Who you train with most, your shared sessions, and a one-tap log with them next time. PROGRESS A single focus to take onto the mat, plus 4-week, 12-week and all-time totals so you can tell if the work is compounding. ON IPHONE DUO Unfold it and hold it like a book. Journal, Partners, and Profile keep the list on one side and what you open on the other. Today and Progress spread across both pages. WHY IT’S DIFFERENT Most BJJ apps want an account, a subscription, or your training data on their servers. This one doesn’t. • Free. No in-app purchases. No ads • No sign-up • No tracking, no analytics, no remote profile • On iPhones with Apple Intelligence on iOS 26 or later, a short coach’s note is written on-device. Your journal is never sent anywhere to produce it • Export anytime • English, French, German, Portuguese, and Spanish Built by a practitioner, for people who want a journal they’ll still open in month four.
Tempo Interval
This interval timer app offers guided routines for mobility, breathwork, and automatic training logs. It features lock screen control and subtle haptic feedback for seamless workouts. Enjoy customizable sound modes and privacy with no account or data collection.
- Interval timer with customizable cycles
- Built-in mobility and breathwork routines
- Automatic training log with streak tracking
- Lock screen and Dynamic Island controls
- Haptic feedback for phase changes
- Multiple sound modes for different environments
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Tempo is an interval timer with built-in mobility routines, breathwork, and an automatic training log. Set up a session in seconds, lock your phone, and let the timer run. WHAT'S INSIDE - Super Cycle — one interval repeated for N rounds - Cycle — work + rest, looped - Workout — guided bodyweight sequence - Flexibility + Mobility — joint mobility and recovery routines - Wind Down — a short breathing routine before sleep LOCK SCREEN + DYNAMIC ISLAND The timer runs as a Live Activity. Pause and resume from the lock screen or Dynamic Island without unlocking the phone or opening the app. SOUND + HAPTICS Subtle haptics on every phase change so you can train without looking at the screen. Three sound modes — Studio, Gym, Boxing — for different environments. Plays alongside Spotify and Apple Music without interrupting them. TRAINING LOG Every session you complete is logged automatically. Track your streak, see your last 28 days at a glance, and add workouts you did outside the app manually. DARK MODE Toggle in Settings. PRIVACY No accounts. No analytics. No data collection. Everything you log stays on your device. Tempo Interval — by Mehdi Naqvi.
Screenshots
Verdict
The clearest difference is update cadence: Tempo Interval at every 4 days against Jiu's every 2 weeks. Tempo Interval also leads on iOS requirement (16.2 vs 18.2). Jiu's advantage is ratings volume (5 vs 1). On price, rating, review sentiment 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Jiu against 5.0 for Tempo Interval. That said, the two scores are not equally well evidenced: Jiu has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.
Jiu ships an update every 2 weeks, Tempo Interval every 4 days. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.
| Parameter | Jiu | Tempo Interval |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (5 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 5 — better | 1 |
| Update frequency | Every 2 weeks | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone |
| Requires iOS | 18.2 | 16.2 — better |
| Further details — not scored | ||
| Size | 13 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Mario Jackson | Mehdi Akbar Naqvi |
Customer experience
Jiu
Tempo Interval
In-app purchases
Jiu
No in-app purchases
Tempo Interval
No in-app purchases





