58
BU Score
Solid
RateTracker:Blood Sugar
✍️ BU Analytics Review
“
RateTracker:Blood Sugar is an iOS app from X-SPARK HK LIMITED in the Utilities category, currently rated 4.1★ across 3,198 ratings. Initial signal reads as mostly critical sentiment so far — users flag rough edges and unmet expectations.
Our BU Score puts it at 58 — Solid (established niche player). For a Utilities app, that means established niche player.
Track changes month-over-month in the Performance section below — live snapshot history and revenue forecast included.
creator
📊 Performance Tracking LIVE
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Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
Range:
💰 Forecast Revenue / mo
MODELRevenue forecast computed from BU's 234 trigger model on each snapshot. Calibrated against ground-truth from 58 verified-revenue apps.
🔬Forecast Breakdown — Why This Estimate?Top 7 of 7 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| cancelledREVIEW | −$1,500 | |
| Low install base (3,198 ratings)METRIC | +$1,500 | |
| too expensiveREVIEW | −$1,000 | |
| Good rating (4.1★)METRIC | +$800 | |
| New app (11 months old)METRIC | −$700 | |
| Ad-supported / freemiumMETRIC | +$600 | |
| Localized (5 languages)METRIC | +$600 |
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)
📈 Reviews Growth
LIVECumulative review count from first BU snapshot. Each point = a tracked update.
💚Sentiment Over Time↑ green = positive · ↓ red = negative
Aug 25
Sep 25
Oct 25
Nov 25
Dec 25
Jan 26
Feb 26
Mar 26
⭐ Rating Trend
LIVEAverage rating evolution. Updates with each new review batch.
🗓️ Snapshot Timeline
HISTORYEach bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →💾 92 MB🔞 12+📱 iOS 15.6+🔖 v1.2.2🔄 updated 1mo ago🌐 EN, JA, PT, ES, TH📂 Utilities💰 Free🚀 Launched 2025 (0y old)
📝 About this app
RateTracker goes beyond basic health tracking, offering a complete wellness toolkit designed to empower your daily health journey. Whether you're monitoring vital signs or working toward lifestyle goals, our intuitive platform provides the insights and support you need to stay on track.
Key Features：
1.Precision Heart Rate & Blood Sugar Tracking:Effortlessly measure your heart rate and log blood sugar readings with smartphone—no extra hardware required.
2.Heart Health report:Measure your heart rate and understand your stress and energy level.
3.GLP-1 Tracker:Record the dosage changes of GLP-1 receptor agonist drugs, as well as track the blood sugar data and the side effects of the injections.
4.Blood Pressure Monitor:Record and track your blood pressure trends to help you understand your blood pressure levels on a daily and monthly basis.
5.Easy to Quit-Smoking:Set goals to quit smoking and receive motivational tips to help you reduce or quit smoking for good.
Make the result more accurate:
*** Do ***
· Keep finger still with light contact
· Measure in stable lighting
*** Avoid ***
· Pressing too hard
· Moving during measurement
Subscription Details：
· Flexible plans: Weekly or annual options
· Auto-renewal can be disabled anytime via your device’s subscription settings.
· Payment is processed through your app store account.
Important Note：
· RateTracker is designed for general wellness purposes and should not replace professional medical care.
· Consult a healthcare provider for any health concerns.
Connect With Us：
· Website：www.xsparkext.com
· Email：xspark0422@gmail.com
Legal：
· Privacy Policy：http://www.xsparkext.com/website-cfg/policy
· Terms of Use：http://www.xsparkext.com/website-cfg/service
Key Features：
1.Precision Heart Rate & Blood Sugar Tracking:Effortlessly measure your heart rate and log blood sugar readings with smartphone—no extra hardware required.
2.Heart Health report:Measure your heart rate and understand your stress and energy level.
3.GLP-1 Tracker:Record the dosage changes of GLP-1 receptor agonist drugs, as well as track the blood sugar data and the side effects of the injections.
4.Blood Pressure Monitor:Record and track your blood pressure trends to help you understand your blood pressure levels on a daily and monthly basis.
5.Easy to Quit-Smoking:Set goals to quit smoking and receive motivational tips to help you reduce or quit smoking for good.
Make the result more accurate:
*** Do ***
· Keep finger still with light contact
· Measure in stable lighting
*** Avoid ***
· Pressing too hard
· Moving during measurement
Subscription Details：
· Flexible plans: Weekly or annual options
· Auto-renewal can be disabled anytime via your device’s subscription settings.
· Payment is processed through your app store account.
Important Note：
· RateTracker is designed for general wellness purposes and should not replace professional medical care.
· Consult a healthcare provider for any health concerns.
Connect With Us：
· Website：www.xsparkext.com
· Email：xspark0422@gmail.com
Legal：
· Privacy Policy：http://www.xsparkext.com/website-cfg/policy
· Terms of Use：http://www.xsparkext.com/website-cfg/service
🆕 What's New · v1.2.2
Update time! We've resolved some known issues and optimized the heart rate detection process.
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- RateTracker:Blood Sugar
- Developer
- X-SPARK HK LIMITED
- Bundle ID
- com.attribu.absurd
- App Store URL
- Open in App Store
- Category
- Utilities
- Content rating
- 12+
- Languages
- EN, JA, PT, ES, TH
Company
- Website
- Not found
- Tagline
- Today
- Description
- Find apps and games for iPhone, iPad, Mac, and more on the App Store.
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- OG image
Revenue
- Verified revenue / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- ML model estimate / mo
- $561/mo
- Top-grossing rank
- Outside top 100 in US Utilities
- All-time revenue
- Not found
- Pricing
- Not found
Founder
- Name
- Not found
- X / Twitter
- Not found
- Not found
- GitHub
- Not found
- X followers
- Not found
- Public statements
- Not found
Funding
- Total raised
- Not found
- Last round
- Not found
- Investors
- Not found
- Crunchbase
- Not found
- AngelList
- Not found
Press & Links
- Articles found
- Not found
- Listed on
- Not found
- Blog
- https://apps.apple.com/us/app/letterloop-group-newsletters/id6468623700
- Press / News
- Not found
Contacts & Socials
- Socials
- Not found
- Not found
- Phone
- Not found
- Contact page
- Not found
- About page
- https://apps.apple.com/us/iphone/story/id1781301520
📈Ratings growth3,198 ratings+676% lifetimeShow 3-year history estimate ▾
Tracked (33 weeks) Pre-tracking estimate (10 weeks) · model-based, ±5% noise · anchored to release date and current value
🌍Geographic ReachNot ranked
This app is currently outside the top 100 grossing in all 9 countries we monitor (US, UK, DE, FR, JP, CA, AU, BR, IN). Niche or new apps often launch this way — popularity rankings appear once daily revenue clears the regional threshold.
Profile is built from iTunes Lookup + developer site scrape + ML revenue model. Empty fields show "Not found" — additional sources (Crunchbase, X, IndieHackers, Acquire.com) coming.
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