52
Quality Score
Solid
Qボトル
✍️ bumetric analysis
“
Qボトル is an iOS app from kitamura hira in the Social Networking category, currently rated 5.0★ across 2 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.
Quality Score is 52: Solid (established niche player). For a Social Networking 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.
💰 Revenue · today and ahead
Today
$5.0K/mo
In 12 months
$5.2K – $10.8K
In 24 months
$6.4K – $19.2K
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
Loading…
Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
ONE-TIME · BUILD💰 Estimated build cost
$220K
↳ What it cost to build · not monthly revenue
Likely range $165K – $295K
$25K · MVP floor$100K · indie scale$500K+ · studio build
📈Slow ROI — current MRR is well below build cost
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 (115 MB) | +$26K |
| ⚙Social Networking complexity ×1.70 | +$53K |
| ⚙15.2y maintenance × ~1-person team | +$91K |
Total estimate$220K
ONE-TIME · EXIT VALUE💵 Estimated acquisition value
$20K
↳ What it would sell for · not monthly revenue
Marketplace range $15K – $30K · 20× MRR multiple
💸~0.1× 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 |
| 📅15.2y proven track record | +20% |
| ⭐★ rating ≥ 4.7 (premium) | +15% |
| 🏷Social Networking category multiple | +5% |
| ⭐Small user base (<1K ratings) | -8% |
Final multiple20× MRR
🛠 Estimated tech stack
🍎
Native iOS (Swift / UIKit)
Medium confidence · 60%
Also possible
React NativeFlutter
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 | 115 MB |
| 🏷Category context | Social Networking |
| 📦Mid-large iOS bundle | → Likely native Swift / UIKit (pre-2020 era) |
💀 Maintenance status
Likely abandoned
87%
Last shipped 2025-01-13 · 495 days ago
0 · Active50 · At risk100 · 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
| 📅1y 4mo since last update | Likely deprioritized |
| 👥Small user base (2 ratings) + 15.2y old | +10% (solo-project pattern) |
| •15y old + 1y+ no update | +5% (API deprecation drift) |
VerdictLikely abandoned
🔬
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: rating drift may slow acquisition
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
5.7
Product Quality
4.0
Revenue Strength
3.7
Monetization Maturity
1.0
Defensibility
6.0
Market Position
2.0
Operational Safety
7.0
- 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 5.0★ across 2 reviews — weak — significant quality concerns.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: ⚠ last update 495d ago — possibly dormant.
- ⚠️ Risk: Moderate — dormant (495d since update).
🎯 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. Portfolio play ($11K/mo combined) commands premium.
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 7 of 7 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Paid app ($0.00)METRIC | +$2,800 | |
| Excellent rating (5.0★)METRIC | +$2,200 | |
| bugsREVIEW | −$1,800 | |
| 5 starREVIEW | +$1,800 | |
| Mature app (15y old)METRIC | +$1,500 | |
| slowREVIEW | −$1,200 | |
| Pre-traction phase (2 ratings)METRIC | −$300 |
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.
App Specs
🔐 Own this app? Claim & verify MRR →💾 115 MB🔞 17+📱 iOS 15.0+🔖 v7.10🔄 updated 1y ago🌐 EN, JA, ZH📂 Social Networking💰 Free🚀 Launched 2011 (15y old)
📝 About this app
Write your mind, your hope, and your secret with QBottle.
How to create a bottle:
Touch the “beach” button to go to the beach ,then touch the “write” to create a new bottle. You can choose your favorite letter paper and bottle here, then write what you want to say.
How to get bottles:
You can walk along the beach to search bottles by finger, or touch the dog icon let it help you pick bottles.
How to create a bottle:
Touch the “beach” button to go to the beach ,then touch the “write” to create a new bottle. You can choose your favorite letter paper and bottle here, then write what you want to say.
How to get bottles:
You can walk along the beach to search bottles by finger, or touch the dog icon let it help you pick bottles.
🆕 What's New · v7.10
- Fixed the error in GIF generation and some other errors
- Optimized for iOS 18
- Optimized for iOS 18
📅
What Worked™ · Development Pipeline
5 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 →
2026-05
💲
Went paid — introduced $0.99 price point
2026-03
⭐
Rating ↑ 3.72 → 5.00 (improved 1.28★)
2011-02
📈
Crossed 10 ratings — social-proof flywheel kicking in
2011-02
🚀
First tracked snapshot — initial data captured
2011-02
⭐
Rating ↑ 4.00 → 4.50 (improved 0.50★)
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇦🇺 AU | 0★ | 0 | — |
| 🇧🇷 BR | 0★ | 0 | — |
| 🇨🇦 CA | 0★ | 0 | — |
| 🇩🇪 DE | 0★ | 0 | — |
| 🇫🇷 FR | 0★ | 0 | — |
| 🇬🇧 GB | 0★ | 0 | — |
| 🇮🇳 IN | 0★ | 0 | — |
| 🇯🇵 JP | 4.17766★ | 197 | 4.17766★ this version |
| 🇺🇸 US | 5★ | 2 | 5★ this version |
🔔
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Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Qボトル
- Developer
- kitamura hira
- Bundle ID
- jp.dreamo.message.bottle
- App Store URL
- Open in App Store
- Category
- Social Networking
- Content rating
- 17+
- Languages
- EN, JA, ZH
Company
- Website
- Not found
- Tagline
- Not found
- Description
- iphone game and application developer
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- Not found
Revenue
- Verified revenue / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- ML model estimate / mo
- $1.1K/mo
- Top-grossing rank
- Outside top 100 in US Social Networking
- 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 growth2 ratings+-33% lifetimeShow 3-year history estimate ▾
Tracked (22 weeks) Pre-tracking estimate (36 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.
💰Pricing History$0.00 → $0.99 (+0%)
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.
More by kitamura hira
View all →📦 Portfolio summaryINDIE studio
4apps·$11K/mocombined
⚠ Concentrated — top app contributes 97% of combined revenue (single-app dependency)
Similar apps in Social Networking
Full revenue analysis
Read the article-style breakdown for Qボトル: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
❓ Frequently Asked Questions
9 answers · auto-generated from this app's public dataHow much does Qボトル make per month?▾
Based on our ML-calibrated revenue forecast, Qボトル earns approximately $1K/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 Qボトル profitable?▾
With estimated build cost $220K and monthly revenue $1K, Qボトル looks well below break-even — current monthly revenue is much smaller than the estimated build cost. Profitability also depends on paid-acquisition spend and refund rate which the public model doesn't see.
What apps are like Qボトル?▾
Browse the full Social Networking 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 Qボトル built with?▾
Our heuristic places Qボトル on the Native iOS (Swift / UIKit) 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 Qボトル still actively maintained?▾
Maintenance status: Likely abandoned (87% abandonment risk). Last shipped version was 1+ years ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.
How much would Qボトル sell for?▾
Estimated acquisition value: $20K (marketplace range $15K – $30K). Calculated as 20× 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 Qボトル last updated?▾
Qボトル last shipped a new version on 2025-01-13 — more than 1 year(s) ago. This is the date Apple / Google last accepted a new build, not a content-only push.
Who makes Qボトル?▾
Qボトル is published by kitamura hira 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 Qボトル's BU Score?▾
Qボトル has a BU Score of 52/100 (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.