Comparison

GIBBON Balance App vs Jam Timer

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

Head to head
About

GIBBON Balance App

Enhance balance, coordination, and core strength with guided challenges, video tutorials, and personalized programs. Gamify your fitness routine by earning coins and badges while tracking progress. Suitable for all ages and skill levels, it integrates with specific training equipment.

Highlights
  • Step-by-step video guides
  • Personalized challenges
  • Skill tracking
  • Earn rewards and badges
  • Works with GIBOARD & Slacklines
  • Progress tracking
Features
Read full description

Discover the fun and effective way to improve your balance, coordination, and core strength with the GIBBON Balance App – the ultimate companion for your SLACKBOARD, SLACKYARD and slackline training. Whether you're a beginner or a seasoned pro, our app offers a wide range of guided challenges, video tutorials, and custom programs tailored to your skill level. Earn GIBBON COINS, collect Merit Badges, and track your progress with every session. Designed for all ages – from kids to athletes to active seniors – the GIBBON Balance App transforms your fitness routine into a gamified experience that motivates and inspires. Key Features: • Step-by-step video guides & expert tips • Personalized challenges & skill tracking • Earn rewards, badges & Balance Points • Share your achievements with friends • Works seamlessly with SLACKBOARD, SLACKYARD, SLACKRACK & Slacklines Join a global community that trains balance not just as a skill – but as a lifestyle. Train Smart. Stay Balanced. Have Fun.

About

Jam Timer

This app provides precise timing control for roller derby officials, offering built-in configurations for various leagues and professional timing features. It's designed for one-handed operation with a clear display and haptic feedback, working completely offline.

Highlights
  • Built-in game configurations
  • Professional timing control
  • Designed for officials
  • Game management features
  • Offline operation
Features
Read full description

RollTimer: The Professional Jam Timer for Roller Derby Officials Designed specifically for the jam-timer position, RollTimer eliminates the need for traditional stopwatches and provides precise timing control for all roller derby formats. Whether you're officiating WFTDA sanctioned bouts, RDCL tournaments, or OSDA games, RollTimer has the configuration you need. Key Features: Built-in Game Configurations WFTDA standard timing rules RDCL tournament settings OSDA game format Custom configurations for scrimmages and special events Professional Timing Control Precise jam timing with lead jammer call-off Period clock management Lineup time tracking Team and official timeout timers Automatic vibration warnings at configurable intervals Designed for Officials Large buttons for one-handed operation Clear, high-contrast display visible from across the track Haptic feedback for critical timing events Works completely offline - no internet required Game Management Track team scores and timeouts Monitor official reviews remaining Complete game history and statistics Export game data for league records Perfect for: NSO jam timers at sanctioned bouts Tournament directors managing multiple games League officials during practice scrimmages Coaches timing drills and scenarios Referees needing backup timing Why Choose RollTimer: Unlike generic stopwatch apps, RollTimer understands roller derby. Every feature is built around the specific needs of derby timing, from the 30-second lineup to the 2-minute jam clock. The large, accessible interface ensures you can focus on the game, not fumbling with tiny buttons. Trusted by officials across leagues worldwide, RollTimer brings professional-grade timing to your mobile device. Download now and experience the difference purpose-built software makes. Offline Operation: RollTimer works completely offline with no network requirements, perfect for venues with poor connectivity. All game data is stored locally on your device for maximum reliability.

Screenshots

GIBBON Balance App4 screens
Jam Timer4 screens

Verdict

The call

The clearest difference is price: GIBBON Balance App at Free against Jam Timer's $3.99. GIBBON Balance App also leads on rating (4.5 vs 1.0) and ratings volume (377 vs 1). On ads, in-app purchases, device support and iOS requirement 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

GIBBON Balance App is free to download; Jam Timer costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

GIBBON Balance App holds the better App Store score, 4.5 against 1.0. That said, the two scores are not equally well evidenced: GIBBON Balance App has 377 ratings behind it against 1, so its average is the more settled of the two.

Scorecard4 real differences · 6 level
GIBBON Balance App versus Jam Timer: the parameters behind the verdict, then further details
ParameterGIBBON Balance AppJam Timer
PriceFree — better$3.99
Rating4.5 (377 ratings) — better1.0 (1 ratings)
Positive reviews44.7% of reviews—
Number of ratings377 — better1
Update frequencyEvery 2 months—
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.1 — better15.6
Further details — not scored
Size51 MB19 MB
Age rating12+4+
DeveloperGibbon SlacklinesDLY

Customer experience

GIBBON Balance App

All ratings345 ratings
Positive86.7%
Neutral5.5%
Negative7.8%
Written reviews114 reviews
Positive44.7%
Neutral15.8%
Negative39.5%

Jam Timer

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

Bugs and requests

GIBBON Balance App

Reported bugs

20 issues
  • Videos do not auto-rotate on iPad
  • Videos play sideways when casting to TV
  • Videos do not load or play
  • App crashes when accessing certain sections (e.g., trickline)
  • Video titles and previews do not match content
Show 15 more
  • Login issues (email/password errors, Facebook login not working)
  • App freezes or shows 'loading' indefinitely
  • Text is invisible in dark mode
  • Videos restart from the beginning or a random point after being watched
  • Cannot restart or scroll forward/backward in videos
  • App not working after iOS update
  • Trickline content not loading or returning to home screen
  • Individual exercises for two-line balance board are mislabeled
  • Cannot open the app after updating iOS
  • App constantly reloads and returns to the home page
  • Cannot see videos after downloading them
  • Videos stutter or go blank after a few seconds
  • Login fails with 'something went wrong' error
  • App appears empty or inaccessible after login attempts
  • Cannot access trickline tutorials, app crashes or returns to home screen

Requested features

10 requests
  • Add language parameter for videos
  • Filter videos by equipment
  • Restart/scroll functionality in videos
  • Screen mirroring/casting to TV
  • Adult setting to disable badges
Show 5 more
  • Audible countdown for exercises
  • Option to select videos by equipment
  • More videos in 'balance burn' category
  • Allow users to follow each other
  • Promote app at events

Jam Timer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

GIBBON Balance App

No in-app purchases

None

Jam Timer

No in-app purchases

Questions

Is GIBBON Balance App free?
GIBBON Balance App is free to download, with no in-app purchases.
Is Jam Timer free?
Jam Timer costs $3.99, with no in-app purchases.
Which has better reviews, GIBBON Balance App or Jam Timer?
GIBBON Balance App is rated higher. GIBBON Balance App averages 4.5 out of 5 from 377 ratings, while Jam Timer averages 1.0 from 1 ratings.
Do GIBBON Balance App or Jam Timer have ads?
Neither GIBBON Balance App nor Jam Timer shows ads.

Other comparisons