Comparison

Jiujitsu Flow vs Ossly

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Jiujitsu Flow

Features
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Master Jiu-Jitsu Through Flow. No more memorizing isolated techniques. JiujitsuFlow is an interactive technique map that helps you learn through realistic transitions and positions. - Key Features Step-by-step flow starting from stand-up position Switch perspectives: attacker ↔ defender Detailed explanations and safety tips High-quality images and video links Supports Korean, English, Japanese - Why JiujitsuFlow Intuitive flow-based navigation Over 128 positions and techniques Visualize how techniques connect in real time Perfect for all skill levels Train smarter, not harder. The best tool to explore and master Jiu-Jitsu.

About

Ossly

Features
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Ossly is the jiu-jitsu training journal built on one promise: it never loses your data. Log every roll, every submission, every belt — and keep your whole BJJ journey safe, for years. Tired of a tracker that eats your sessions, corrupts your history, or locks you behind a login? Ossly is local-first, backed up to your private iCloud, and yours to edit anytime. No account required. TRACK EVERY SESSION IN SECONDS • Gi and No-Gi on the same day, drilling or sparring • Rounds, mat time, intensity — plus rest and injury days • Submissions and taps, given and taken, by technique • A full technique library, plus your own custom moves — edit or delete anything KNOW WHAT YOU TAP TO • "What you land" — the submissions you hit and the taps you take, as a clean donut and breakdown • Finishing rate, submissions per hour, and trends over any time range • Taps by the partner's belt — because tapping a black belt isn't the same as tapping a white belt YOUR BELT JOURNEY • Every promotion on one timeline, white belt to black — with promotion photos • Adult and full kids/teens belts, every stripe • Competitions: divisions, results and match notes BUILT TO LAST • Private iCloud sync across iPhone and iPad, in real time • Automatic PDF & CSV export — your data is never locked in • Apple Health integration and home-screen widgets • A calm, premium design, fully localized in your language FREE FOREVER Logging your training — and your data — are never behind a paywall. Ossly Pro unlocks advanced stats (taps by partner belt, trends, calendar), the enriched belt timeline, competitions, technique videos, automatic backup and widgets. Oss. Your mat life, remembered. — Ossly Pro is a monthly or annual auto-renewable subscription; the annual plan includes a 7-day free trial. A lifetime one-time purchase is also available. Payment is charged to your Apple Account at confirmation of purchase. Subscriptions renew automatically unless auto-renew is turned off at least 24 hours before the end of the current period; your account is charged for renewal within 24 hours prior to the end of the current period. Manage or cancel anytime in your Account Settings. Any unused portion of a free trial is forfeited when you buy a subscription. Privacy Policy: https://develak.com/privacy-policy/ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Jiujitsu Flow3 screens
Ossly4 screens

Verdict

The call

The clearest difference is in-app purchases: Jiujitsu Flow at none against Ossly's 3. Jiujitsu Flow also leads on iOS requirement (15.0 vs 17.0). Ossly's advantage is ads (none vs shown). On price 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Ossly sells 3 in-app purchases, starting at $4.99 per month. Jiujitsu Flow asks for nothing beyond the download.

Scorecard3 real differences · 3 level
Jiujitsu Flow versus Ossly: the parameters behind the verdict, then further details
ParameterJiujitsu FlowOssly
PriceFreeFree
Update frequencyEvery 3 days—
AdsYesNo — better
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size32 MB6 MB
Age rating17+4+
DeveloperBAKKUMDevelak

In-app purchases

None

Jiujitsu Flow

No in-app purchases

3 purchases

Ossly

Subscriptions2
  • Ossly Pro (Monthly)$4.991 Month
  • Ossly Pro (Annual)7 Days trial$29.991 Year
One-time1
  • Ossly Pro (Lifetime)$79.99

Questions

Is Jiujitsu Flow free?
Jiujitsu Flow is free to download, with no in-app purchases.
Is Ossly free?
Ossly is free to download, with in-app purchases available.
Do Jiujitsu Flow or Ossly have ads?
Jiujitsu Flow shows ads; Ossly does not.

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