Spark Member vs Fitbit Ace
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Spark Member
Access award-winning martial arts programs, register for events, and stay updated with school news. Manage your enrollment, track progress, and connect with instructors.
- Event registration
- Program enrollment
- School updates
- Messaging
- Curriculum videos
- Progress tracking
- Class scheduling
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This app is for members and those who are interested in our award winning programs. * Register for our events * Enroll in our martial arts programs * Get School Updates * Send messages * View our curriculum videos and download supporting documents * View payment, rank and attendance history * Refer your friends * Rate your classes * Schedule your classes * Quick access to our class schedule
Fitbit Ace
Manage your child's Fitbit Ace LTE smartwatch. Securely call, text, track location, and monitor activity. Control contacts and ensure peace of mind.
- Secure calling and texting
- Real-time location tracking
- Activity level monitoring
- Contact management
- Child's smartwatch management
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The Fitbit Ace app is your home base for the Fitbit Ace LTE kids smartwatch. Use it to securely call or text message your child, see their location, check in on their activity levels, and manage their contacts. If you’re invited as a contact, you can also use the Fitbit Ace app to securely call or send messages to a child’s Fitbit Ace LTE smartwatch. *Fitbit Ace LTE device requires a paid Ace Pass data plan. Some features only available for kids with a supervised Google Account. Learn more about privacy for Fitbit Ace at g.co/fitbitace/privacy
Screenshots
Verdict
The clearest difference is review sentiment: Fitbit Ace at 49% against Spark Member's 18%. Fitbit Ace also leads on rating (4.1 vs 3.7). Spark Member's advantage is monetization model (free vs free with in-app purchases) and device support (3 vs 1). On price, ratings volume, update cadence 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.
Fitbit Ace holds the better App Store score, 4.1 against 3.7. Both are backed by a comparable volume of ratings — 358 and 216 respectively. Written reviews point the same way: 18% of Spark Member's written reviews are positive against 49% of Fitbit Ace's.
Both ship on a similar rhythm, roughly every 3 weeks. Both last shipped on October 20, 2026.
| Parameter | Spark Member | Fitbit Ace |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (358 ratings) | 4.1 (216 ratings) — better |
| Positive reviews | 17.5% of reviews | 49.1% of reviews — better |
| Number of ratings | 358 — better | 216 |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 14.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 52 MB | 195 MB |
| Age rating | 9+ | 4+ |
| Developer | Spark Membership LLC | |
Customer experience
Spark Member
Fitbit Ace
User reviews
Spark Member
From 358 App Store ratingsWhat we love
- 🚀 Great performance
- 👍 User-friendly app
- 💡 Helpful for martial arts training
- 🔒 Secure login process
Room to improve
- 🐛 Frequent bugs and glitches
- 🤖 Poor customer support
- 📆 Lack of calendar integration
- 🔍 Confusing user interface
Fitbit Ace
From 216 App Store ratingsWhat we love
- 👍 Great for kids' independence
- 🔒 Safe communication for kids
- 📍 Reliable location tracking
- 🏃 Motivates kids to be active
- 👨👩👧👦 Easy for parents to use
Room to improve
- 🚫 Incompatible with older iOS
- ⚠️ Inappropriate content risk
- 🚫 Features don't work offline
- 🎨 Awful UI aesthetics
- 🖼️ Cannot send images
Bugs and requests
Spark Member
Reported bugs
4 issues- Unable to check in to classes
- App crashes after updates
- Login issues and password reset problems
- Inconsistent data and missing information
Requested features
4 requests- Add recurring booking feature
- Integrate with Google/Apple Calendar
- Improve check-in process
- Provide more customization options
Fitbit Ace
Reported bugs
15 issues- Location, calling, and messaging features not working when disconnected from WiFi
- Incoming calls on iPhone from Fitbit Ace have no sound, only vibration
- Message history lost when moving to a new phone
- App does not connect to the watch
- App never loads or says no connection
Show 10 moreShow fewer
- App stops working and requires restoration
- Customer service never responded
- Some messages are delayed
- Some messages disappear after a bit
- Takes forever to receive text and update location
- App immediately asks for country and says not allowed
- App is completely unusable, clicking does nothing
- App freezes and nothing can be clicked
- Cannot invite spouse to family account
- Cannot contact other kids or their friends, only adults
Requested features
15 requests- Allow adjusting theme or colors
- Add basic features like photo sharing
- Allow communication between friends with watches
- Enable parents to approve friend connections
- Allow grandparents abroad to use the app
Show 10 moreShow fewer
- Add more parental control options
- More parental settings needed
- Add voice message feature for parents
- More child safety features updates
- More family quests
- More customization of night time hours
- Increase size of keyboard buttons
- Enable parents to call even during school time
- Modify goals to include other exercises
- UI tweaks for better user experience
In-app purchases
Spark Member
No in-app purchases
Fitbit Ace
No in-app purchases
Questions
Is Spark Member free?
Is Fitbit Ace free?
Which has better reviews, Spark Member or Fitbit Ace?
Do Spark Member or Fitbit Ace have ads?
Which is updated more often, Spark Member or Fitbit Ace?
Other comparisons
