BikeSpeeding vs Jacfit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BikeSpeeding
Calculate cycling power output and estimate time to complete climbs like Wuling. Determine required power to finish routes within a set time.
- Calculate cycling power
- Estimate climb completion time
- Determine required power for climbs
- Taiwan-specific cycling metrics
- iPhone compatibility
Read full descriptionHide full description
台灣第一個計算功率的 iphone程式。 想知道以你目前的功率騎武嶺要多久嗎？ 想知道要在限定時間時間內騎完武嶺需要多少功率嗎？ 我來幫你計算！
Jacfit
This app gamifies workouts by combining fitness with virtual adventures and challenges. Sync with a smart device to track progress, customize avatars, and raise virtual pets. It offers an immersive and motivating way to build healthy habits through interactive exercise.
- Immersive virtual fitness routes
- Avatar customization
- Virtual pet raising and evolution
- Global fitness championships
- Workout data synchronization
- Customizable workout goals
Read full descriptionHide full description
Jacfit combines fitness and gaming to make every workout more engaging, motivating, and fun. Turn exercise into an immersive experience and build lasting healthy habits with every session. Simply pair your dedicated Jacfit smart fitness device to seamlessly sync your workout data and unlock exciting fitness challenges. Whether you're slow jogging indoors, running on a treadmill, using an elliptical trainer, riding a spin bike, or cycling, Jacfit transforms every workout into an interactive virtual adventure. Immersive Virtual Fitness Experience: • Explore over 17 unique routes featuring a variety of landscapes and distances. • Customize your workout duration and target distance to match your personal fitness goals. • View your workout history and performance statistics at a glance with the built-in calendar. • Join global championships and compete with players from around the world. Create Your Avatar & Raise Your Fitness Companion: • Customize your avatar with a variety of outfits and accessories to express your unique style. • Hatch, raise, and evolve your virtual pet through regular workouts. Let your fitness companion grow stronger alongside you every step of the way. Jacfit is continuously updated with new routes, avatar customization options, pets, events, and challenge modes—bringing fresh experiences and new goals to every workout. Start your virtual fitness journey today and enjoy a more immersive, motivating, and rewarding way to stay active!
Screenshots
Verdict
The clearest difference is review sentiment: BikeSpeeding at 100% against Jacfit's 45%. BikeSpeeding also leads on rating (5.0 vs 3.6). Jacfit's advantage is ratings volume (50 vs 1). On price, update cadence, ads and in-app purchases 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.
BikeSpeeding holds the better App Store score, 5.0 against 3.6. That said, the two scores are not equally well evidenced: Jacfit has 50 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of BikeSpeeding's written reviews are positive against 45% of Jacfit's.
BikeSpeeding ships an update every 9 days, Jacfit every 3 weeks. The most recent releases landed on November 2, 2026 and November 11, 2026 respectively.
| Parameter | BikeSpeeding | Jacfit |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 3.6 (50 ratings) |
| Positive reviews | 100.0% of reviews — better | 45.5% of reviews |
| Number of ratings | 1 | 50 — better |
| Update frequency | Every 9 days — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 5 MB | 354 MB |
| Age rating | 4+ | 4+ |
| Developer | OceanQ Co., Ltd. | JSPORTS TECHNOLOGY CO., LTD. |
Customer experience
BikeSpeeding
Jacfit
Bugs and requests
BikeSpeeding
Not enough reviews yet to summarise bugs or requests.
Jacfit
Reported bugs
28 issues- Avatar doesn't always walk
- App crashes frequently
- Does not save ride/run information
- Cannot save data or record 'J' coins
- Speed dependent on magnet placement (no standardization)
Show 23 moreShow fewer
- Only connects to JACFIT speed sensor
- Crashes 30s into workout
- App crashes and closes frequently
- Never saves roaming run data
- Sensors don't keep up (shows stopped/barely moving)
- New update prevents saving rides
- Connectivity issues from the start
- App just spins and spins, never starts (login)
- After upgrade, cannot access, just spins
- App crash on iPad
- App crashes before starting anything
- Out of Memory error on iPad after update
- App shuts down completely when trying to start certain workouts
- Keeps disconnecting from treadmill
- New update doesn't work
- App shuts down game before workout is done
- Worlds will not register
- Sensor reads all over the place, inconsistent
- App slows down phone, causes overheating
- Keeps disconnecting from iPad
- No casting ability from app
- People are cheating on the app (unrealistic speeds)
- App keeps crashing after updates/reinstalls
Requested features
7 requests- Apple TV version
- Include Puerto Rico flag
- Add race mode against the computer
- More content, skins, and customizations
- Higher quality graphics
Show 2 moreShow fewer
- Ability to cast from phone to TV
- Add more workout types
In-app purchases
BikeSpeeding
No in-app purchases
Jacfit
No in-app purchases
