Comparison

Jiu Jitsu World League vs SLEVIO TIMER

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

Head to head
About

Jiu Jitsu World League

This app serves as a hub for a Jiu Jitsu sports league, offering features for competitors and academies. Users can manage profiles, register for events, view rankings, and access live match information. It also provides chat support for customer service.

Highlights
  • Competitor profiles with accomplishments and past results
  • Event registration, division changes, and competitor lists
  • Live match times and bracket information
  • Advanced competitor and academy rankings
  • In-app chat support
Features
Read full description

Jiu Jitsu World League is a Jiu Jitsu sports league. Running events for competitors of all ages. We have always pushed the envelope on technology in Jiu Jitsu and now we are taking it to the next level. On this app, there are a few main pages 1. Profile Page - Where you can view yours and other competitors accomplishments, see past event results, and view matches from your latest. We also now have advanced privacy settings where you can edit what and who can see what on your profile. You can even hide your profile completely. 2. Event Page - Here on the event page you can register for events, change your division once registered, see an up to date competitors list, get match times, see brackets, get credits for future events and more. Live Upcoming Match Information 3. Competitors Rankings - On the competitors rankings page, we made our filter ultra advance. You can sort by season, age, belt, weight, gi or nogi. Want to know more about the competitor simply click on his profile. There are also privacy settings available for this part of the application. 4. Academy Rankings - Get up to date information on who is the top academy globally in their region. Get in-depth insights about what team gets the most submissions, wins or points. 5. Chat Support - As always customer service is very important to us. To access chat simply click the more button and we will be with you. We are open 9-5 Monday - Friday.

About

SLEVIO TIMER

This app enhances high-intensity interval training by seamlessly connecting to timing devices. It simplifies workout customization for various training modes, allowing users to focus on their fitness goals with an efficient and user-friendly experience.

Highlights
  • High-intensity interval training support
  • Seamless timing device connection
  • Customizable workout duration and sets
  • Intuitive settings menu
  • Supports TABATA, AMRAP, EMOM, FOR TIME, and more
  • Stopwatch and countdown modes
Features
Read full description

Welcome to SLEVIO Timer, your go-to solution for elevating your high-intensity interval training experience. Designed specifically for fitness enthusiasts, trainers, and athletes, our app seamlessly connects to your timing devices, streamlining the way you conduct and track intense workout sessions like TABATA and AMRAP. Gone are the days of fumbling with complicated device settings. With SLEVIO Timer, you can easily customize your workout duration and configure the number of sets with just a few taps. Simply access the intuitive Settings menu to set your parameters, and watch as your device instantly syncs to your specifications. By reducing the hassle of manual buttons and settings, SLEVIO Timer empowers you to focus on what truly matters: crushing your fitness goals. Whether you’re working out at home, in the gym, or on the go, enjoy a more efficient and user-friendly training experience that keeps you motivated and on track. The opportunity to display mode: -TABATA. -AMRAP. -EMOM. -FOR TIME. -STOPWATCH. -DOWN. -UP. -MIX. Join us on this journey to redefine your high-intensity training moments. Download SLEVIO Timer today and take the first step towards smarter, more effective workouts!

Screenshots

Jiu Jitsu World League4 screens
SLEVIO TIMER3 screens

Verdict

The call

The clearest difference is rating: SLEVIO TIMER at 5.0 against Jiu Jitsu World League's 2.9. SLEVIO TIMER also leads on monetization model (free vs ad-supported) and iOS requirement (9.0 vs 15.1). Jiu Jitsu World League's advantage is update cadence (every 5 weeks vs every 8 months) and ratings volume (7 vs 2). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

SLEVIO TIMER holds the better App Store score, 5.0 against 2.9. Both are backed by a comparable volume of ratings — 7 and 2 respectively.

UpkeepUpdate frequency

Jiu Jitsu World League ships an update every 5 weeks, SLEVIO TIMER every 8 months. The most recent releases landed on October 30, 2026 and October 27, 2026 respectively.

Scorecard5 real differences · 5 level
Jiu Jitsu World League versus SLEVIO TIMER: the parameters behind the verdict, then further details
ParameterJiu Jitsu World LeagueSLEVIO TIMER
PriceFreeFree
Rating2.9 (7 ratings)5.0 (2 ratings) — better
Positive reviews21.3% of reviews—
Number of ratings7 — better2
Update frequencyEvery 5 weeks — betterEvery 8 months
AdsNoNo
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.19.0 — better
Further details — not scored
Size36 MB12 MB
Age rating4+17+
DeveloperJiu Jitsu World LeagueSLEVIO SPORT LLC

Customer experience

Jiu Jitsu World League

All ratings6 ratings
Positive33.3%
Neutral0.0%
Negative66.7%
Written reviews47 reviews
Positive21.3%
Neutral6.4%
Negative72.3%

SLEVIO TIMER

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Jiu Jitsu World League

Reported bugs

29 issues
  • App crashes constantly
  • App exits unexpectedly
  • Chat feature does not work
  • Links provided do not work
  • Video replays do not load
Show 24 more
  • Dropdown menus are empty
  • Profile updates are not saved
  • Login functionality fails
  • App freezes when scrolling
  • Edit profile shows not logged in
  • App crashes when opening new pages
  • Empty menus appear when selecting weight category
  • App crashes when trying to change profile picture
  • Cannot search divisions
  • Chat icon does not function
  • App crashes when editing profile photo
  • Cannot see profile pictures
  • Cannot see competitors for age/weight class
  • App crashes when looking at competitor list
  • App crashes instantly when viewing competitors
  • App kicks user out when checking brackets
  • App freezes or crashes frequently
  • Chat support does not work
  • App does not show user info
  • Cannot look at competitions (future and past)
  • App closes out frequently
  • Cannot see competitors or brackets
  • App crashes when attempting to open on iPhone
  • Chat button does not respond on iPhone

Requested features

18 requests
  • Improve search filters
  • Fix dropdown data population
  • Add dark mode option
  • Improve UI for competitor lists
  • Allow editing of profile photos
Show 13 more
  • Allow changing of usernames
  • Allow changing of privacy settings
  • Fix rash guard size updates
  • Fix bracket links
  • Improve app performance
  • Update app for ease of use
  • Improve navigation
  • Fix chat feature for iPhone
  • Fix chat support functionality
  • Improve backend development
  • Display profile pictures and medals
  • Show registered upcoming events
  • Enable viewing of previous fights

SLEVIO TIMER

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Jiu Jitsu World League

No in-app purchases

None

SLEVIO TIMER

No in-app purchases

Questions

Is Jiu Jitsu World League free?
Jiu Jitsu World League is free to download, with no in-app purchases.
Is SLEVIO TIMER free?
SLEVIO TIMER is free to download, with no in-app purchases.
Which has better reviews, Jiu Jitsu World League or SLEVIO TIMER?
SLEVIO TIMER is rated higher. Jiu Jitsu World League averages 2.9 out of 5 from 7 ratings, while SLEVIO TIMER averages 5.0 from 2 ratings.
Do Jiu Jitsu World League or SLEVIO TIMER have ads?
Neither Jiu Jitsu World League nor SLEVIO TIMER shows ads.
Which is updated more often, Jiu Jitsu World League or SLEVIO TIMER?
Jiu Jitsu World League ships an update every 5 weeks, and SLEVIO TIMER every 8 months. Most recently, Jiu Jitsu World League was updated on October 30, 2026 and SLEVIO TIMER on October 27, 2026.

Other comparisons