RateTracker:Blood Sugar
58
Quality Score
Solid
RateTracker:Blood Sugar
by X-SPARK HK LIMITED
Medium confidence
✍️ Bumetric analysis
“
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.
Quality Score is 58: Solid (established niche player). For a Utilities app, that means established niche player. The full BU Investment Matrix below scores 8 dimensions including monetisation, growth, and operational risk.
Track changes month-over-month in the Performance section below: live snapshot history and revenue forecast included.
💰 Monthly revenue · now vs forecast
● Right now
$5.0K
per month
→
12-mo forecast
$5.2K – $10.8K
per month
→
24-mo forecast
$6.4K – $19.2K
per month
MID tier
💡 Grow this revenue
Free AI audit of this app’s store listing
- Title & subtitle keyword fit
- Description hook & conversion structure
- Screenshots, ratings, reviews strategy
Typical impact: +2-5× organic installs
📊 Performance Tracking LIVE
249 snapshots on record
Rating
4.1
Reviews
3,198 reviews
Forecast Revenue / mo
$5.0K
Snapshots tracked
249
since Aug 2025
ONE-TIME · BUILD
💰 Estimated build cost
$80K
↳ What it cost to build · not monthly revenue
Likely range $60K – $110K
$25K · MVP floor
$100K · indie scale
$500K+ · studio build
📈
Pays back in ~1.3y at current MRR
Synthetic estimate. Inputs: category complexity, file size, screen count, monetization layer, platform reach, age × team-size proxy. Calibrated against 2024-2026 indie-agency rate surveys. Full math + source list on /methodology.
Where the money goes
| 🧱 MVP baseline (design + 1-store ship) | +$28K |
| 📱 5 unique screens × $4.5K | +$22K |
| 📦 Asset bundle (129 MB) | +$31K |
| ⚙ Utilities complexity ×0.85 | $-12319 |
| ⚙ 1.3y maintenance × ~1-person team | +$7K |
Total estimate
$80K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$75K
↳ What it would sell for · not monthly revenue
Marketplace range $50K – $100K · 14× MRR multiple
💸
~0.9× build cost (under-water)
Synthetic estimate. Multiple band derived from ad-supported + age, rating quality, category demand, and user-base maturity. Calibrated against 2024-2026 indie-app-marketplace closed-deal medians. Full math + comparable deal list on /methodology.
How the multiple was built
| 📺 Ad-supported base | 15× MRR |
| 📅 1.3y proven track record | +7% |
| 🏷 Utilities category multiple | -10% |
Final multiple
14× MRR
👥 Estimated audience size
595K
Lifetime downloads (US-equivalent)
Monthly active
115K
Daily active
23K
Synthetic estimate from ratings × category benchmarks. Calibrated against 2024-2026 mobile-attribution retention + DAU/MAU reports. Numbers are US-storefront-equivalent — true global audience can be 5-10× larger for international apps. Full math + source list on /methodology.
How we sized it
| 📲 Utilities engagement | ~200 installs / rating |
| 📅 1.3y of rating accumulation | -7% |
| 🔁 Utilities D30 retention | 20% |
| 📍 DAU / MAU stickiness | 0.20 |
DAU / MAU
20% sticky
🛠 Estimated tech stack
🍎
Native iOS (SwiftUI)
Medium confidence · 60%
Also possible
React Native
Flutter
Heuristic guess from app bundle size, category, store description signals, and release-date stack era. Bumetric does not disassemble binaries — for binary-level certainty you would need an SDK intelligence tool or the manifest itself. Reasoning chain on the right. Full ruleset on /methodology.
Signals we read
| 📦 App bundle size | 129 MB |
| 🏷 Category context | Utilities |
| 📦 Mid-large iOS bundle | → Likely native SwiftUI (post-2020 era) |
💀 Maintenance status
Active
15%
Last shipped 2026-08-24 · 34 days ago
0 · Active
50 · At risk
100 · Abandoned
Heuristic risk score from time-since-last-update + ratings velocity proxy + Editor's Choice / curated featuring signals. Calibrated against 2024-2025 app-store ranking decay reports. Not a guarantee — a quiet app with a healthy codebase looks the same as an abandoned one until something breaks. Full math on /methodology.
Risk signals
| 📅 34 days since last update | Healthy release cadence |
Verdict
Active
🔬
How we forecast this revenue
MEDIUM CONFIDENCEBaseline
$5.0K/mo · ML-estimated from 234 triggers
Growth rate
+4.0% MoM · MID tier baseline (compound monthly)
Direction
Headwinds: low defensibility moat
6 months
$4.7K – $7.9K
12 months
$5.2K – $10.8K
24 months
$6.4K – $19.2K
Compound growth at +4.0% MoM (tier baseline for MID). Range widens with horizon — typical noise band ±25% at 6mo.. Ranges widen with horizon — distant futures carry more uncertainty.
📊
BU Investment Matrix
Below median · 43/100MID TIERunderperforming peersGrowth Velocity
5.0
Founder Strength
3.3
Product Quality
7.3
Revenue Strength
3.7
Monetization Maturity
1.0
Defensibility
2.3
Market Position
2.0
Operational Safety
10.0
- 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.07★ across 3,198 reviews — solid.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: Insufficient signal to assess trajectory.
- ⚠️ Risk: Low — no material risk signals detected.
🎯 For competitors: Mixed picture. Worth competing if you have a clear UX or pricing edge — otherwise crowded segment.
💵 For acquirers: Estimated asking range 18-32× monthly = $90K-$160K.
Composite of 8 dimensions computed deterministically from public signals — no LLM, every score traces back to a measurable input. Default weights shown; "compete" / "acquire" / "invest" lenses re-weight without re-fetching.
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 8 of 8 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| subscriptionREVIEW | +$2,500 | |
| cancelledREVIEW | −$1,500 | |
| Low install base (3,198 ratings)METRIC | +$1,500 | |
| too expensiveREVIEW | −$1,000 | |
| Good rating (4.1★)METRIC | +$800 | |
| Ad-supported / freemiumMETRIC | +$600 | |
| Localized (5 languages)METRIC | +$600 | |
| Growing app (1y old)METRIC | +$200 |
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.
⭐ Rating Trend
LIVEAverage rating evolution. Updates with each new review batch.
🆕 What's New · v1.2.3
Update time! We've fixed an issue where blood glucose data was overlapping in the table.
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
- Available
Revenue
- Reported revenue signal / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- Model estimate / mo
- $5.0K/mo
- Top-grossing rank
- 🇺🇸#99 /100
- All-time revenue
- Not found
- Pricing
- Not found
Founder
Founder data not yet collected for this app.
Funding
Funding data not yet collected for this app.
Press & Links
Press & Links data not yet collected for this app.
Contacts & Socials
Contacts & Socials data not yet collected for this app.
📈Ratings growth4,713 ratings+2381% lifetimeShow 3-year history estimate ▾
Tracked (60 weeks) Pre-tracking estimate (0 weeks) · model-based, ±5% noise · anchored to release date and current value
🗺️Geographic Distribution1 of 9 markets
🇺🇸
US
Top-grossing rank: #99 / 100
Other markets
Outside top 100
in US, GB, DE, FR, JP, CA, AU, BR, IN
in US, GB, DE, FR, JP, CA, AU, BR, IN
This app currently ranks in only one of the 9 markets we monitor. Niche or regional apps often launch this way before global rollout. Rankings update daily.
📊Category Rank Trajectory#99 now · best #99 · worst #100
Lower line = better rank · Estimate from ratings growth model · Lower position on chart = worse rank · Higher = top of chart
🚀Update Frequency · Releases per Quarter2 releases tracked
🚀Version Release Timeline2 releases tracked
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.
📝 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.… View full description on the official store →
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.… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 129 MB🔞 12+📱 iOS 15.6+🔖 v1.2.3🔄 updated 1mo ago🌐 EN, JA, PT, ES, TH📂 Utilities💰 Paid🚀 Launched 2025 (1y old)
📅
What Worked™ · Development Pipeline
14 EVENTS TRACKEDDetected changes in this app over its tracked lifetime — each event links cause (what changed) to effect (what moved). Sorted newest first.See full history →Version history →
2026-09
📦
Bundle ↑ 96MB → 135MB — likely major code refresh
2026-08
🔧
Shipped update — v1.2.2 → v1.2.3
→ 30 days after: reviews +510 high confidence
2026-05
⭐
Rating ↑ 1.49 → 4.07 (improved 2.58★)
→ 30 days after: reviews +421 high confidence
2026-05
📈
Crossed 500 ratings — social-proof flywheel kicking in
→ 30 days after: reviews +421 high confidence
2026-03
⭐
Rating ↓ 3.40 → 1.52 (dropped 1.88★)
→ 30 days after: reviews +21 medium · co-occurring
2026-03
⭐
Rating ↑ 1.52 → 3.40 (improved 1.88★)
→ 30 days after: reviews +25 medium · co-occurring
2026-03
📈
Crossed 500 ratings — social-proof flywheel kicking in
→ 30 days after: reviews +25 medium · co-occurring
2025-10
📈
Crossed 100 ratings — social-proof flywheel kicking in
→ 30 days after: rating +0.17★ · reviews +52 high confidence
2025-09
📈
Crossed 50 ratings — social-proof flywheel kicking in
→ 30 days after: rating −0.09★ · reviews +86 high confidence
2025-08
📈
Crossed 10 ratings — social-proof flywheel kicking in
→ 30 days after: rating −0.45★ · reviews +87 high confidence
2025-08
⭐
Rating ↓ 2.33 → 2.00 (dropped 0.33★)
→ 30 days after: rating −1.00★ · reviews +63 high confidence
2025-08
⭐
Rating ↓ 3.00 → 2.33 (dropped 0.67★)
→ 30 days after: rating +0.34★ · reviews +34 medium · co-occurring
2025-08
⭐
Rating ↑ 1.00 → 3.00 (improved 2.00★)
→ 30 days after: rating +0.33★ · reviews +29 medium · co-occurring
2025-08
🚀
First tracked snapshot — initial data captured
→ 30 days after: rating +0.60★ · reviews +14 medium · co-occurring
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇦🇺 AU | 3.81967★ | 61 | 3.81967★ this version |
| 🇧🇷 BR | 4.31776★ | 107 | 4.31776★ this version |
| 🇨🇦 CA | 3.72857★ | 70 | 3.72857★ this version |
| 🇩🇪 DE | 4.375★ | 8 | 4.375★ this version |
| 🇫🇷 FR | 3.4★ | 5 | 3.4★ this version |
| 🇬🇧 GB | 3.58757★ | 177 | 3.58757★ this version |
| 🇮🇳 IN | 3.75★ | 64 | 3.75★ this version |
| 🇯🇵 JP | 3.8★ | 5 | 3.8★ this version |
| 🇺🇸 US | 4.12065★ | 4,998 | 4.12065★ this version |
🔔
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📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for RateTracker:Blood Sugar: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
About this analysis
Why medium confidence: 3,198 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
10 answers · auto-generated from this app's public dataHow much does RateTracker make per month?▴
Based on our ML-calibrated revenue forecast, RateTracker earns approximately $5.0K/mo. This is a US-storefront-equivalent estimate; global revenue can be several times larger for internationally-distributed apps. See the methodology page for the full formula and confidence bands.
Is RateTracker profitable?▴
With estimated build cost $80K and monthly revenue $5.0K, RateTracker looks break-even-grade — payback period sits around 1.3 years. Profitability also depends on paid-acquisition spend and refund rate which the public model doesn't see.
How many users does RateTracker have?▴
Estimated audience: ~595K lifetime downloads, ~115K monthly active users, and ~23K daily active users. Derived from ratings count × category installs-per-rating × age decay. US-storefront-equivalent — global audience can be 5-10× larger for internationally-distributed apps.
What apps are like RateTracker?▴
Browse the full Utilities category catalog to find similar apps with revenue, build cost, audience and tech stack data. Each /p/{slug} page also shows a Compare side-by-side widget with three peer apps from the same niche.
What is RateTracker built with?▴
Our heuristic places RateTracker on the Native iOS (SwiftUI) stack (Medium confidence, 60%). Signals: app bundle size, category context, store-description markers, release-date era. We don't disassemble binaries. Alternative possibilities: React Native, Flutter.
Is RateTracker still actively maintained?▴
Maintenance status: Active (15% abandonment risk). Last shipped version was 1 months ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.
How much would RateTracker sell for?▴
Estimated acquisition value: $75K (marketplace range $50K – $100K). Calculated as 14× monthly revenue using the standard multiple for the detected monetization model + adjustments for age, rating quality and category demand. Calibrated against 2024-2026 Flippa / Acquire.com / MicroAcquire closed-deal medians.
When was RateTracker last updated?▴
RateTracker last shipped a new version on 2026-08-24 — 1 months ago. This is the date Apple / Google last accepted a new build, not a content-only push.
Who makes RateTracker?▴
RateTracker is published by X-SPARK HK LIMITED on the Apple App Store. See the full publisher portfolio (other apps by the same developer) via the More by developer block on the product page above.
What is RateTracker's BU Score?▴
RateTracker has a BU Score of 58/100 (Solid). The score combines App Store rating, ratings count, monetization model and revenue signals calibrated against founder-verified MRR anchors. See the BU Score formula.