MobileSheets®
54
Quality Score
Solid
MobileSheets®
by Michael Zuber
Low confidence
✍️ Bumetric analysis
“
MobileSheets® is an iOS app from Michael Zuber in the News category, currently rated 4.5★ across 62 ratings. Initial signal reads as no scraped reviews yet: judgment based on metadata only.
Quality Score is 54: Solid (established niche player). For a News 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
$500
per month
→
12-mo forecast
$437 – $1575
per month
→
24-mo forecast
$405 – $3644
per month
INDIE 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
1 snapshots on record
Rating
4.5
Reviews
62 reviews
Forecast Revenue / mo
$500
Snapshots tracked
1
since Aug 2026
ONE-TIME · BUILD
💰 Estimated build cost
$120K
↳ What it cost to build · not monthly revenue
Likely range $90K – $160K
$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 (129 MB) | +$31K |
| ⚙ News complexity ×1.20 | +$16K |
| ⚙ 3.8y maintenance × ~1-person team | +$22K |
Total estimate
$120K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$10K
↳ What it would sell for · not monthly revenue
Marketplace range $5K – $10K · 17× 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 |
| 📅 3.8y proven track record | +19% |
| ⭐ ★ rating ≥ 4.4 (solid) | +8% |
| 🏷 News category multiple | -5% |
| ⭐ Small user base (<1K ratings) | -8% |
Final multiple
17× MRR
🛠 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 | News |
| 📦 Mid-large iOS bundle | → Likely native SwiftUI (post-2020 era) |
💀 Maintenance status
Slowing
25%
Last shipped 2026-08-13 · 43 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
| 📅 43 days since last update | Healthy release cadence |
| 👥 Small user base (62 ratings) + 3.8y old | +10% (solo-project pattern) |
Verdict
Slowing
🔬
How we forecast this revenue
LOW CONFIDENCEBaseline
$500/mo · ML-estimated from 234 triggers
Growth rate
+6.0% MoM · INDIE tier baseline (compound monthly)
Direction
Headwinds: rating drift may slow acquisition, low defensibility moat
6 months
$426 – $993
12 months
$437 – $1.6K
24 months
$405 – $3.6K
Compound growth at +6.0% MoM (tier baseline for INDIE). Range widens with horizon — typical noise band ±40% at 6mo.. Ranges widen with horizon — distant futures carry more uncertainty.
📊
BU Investment Matrix
Pre-traction · 38/100INDIE TIERlimited signalGrowth Velocity
5.0
Founder Strength
3.0
Product Quality
3.6
Revenue Strength
2.7
Monetization Maturity
1.0
Defensibility
3.0
Market Position
2.0
Operational Safety
10.0
- 💰 Revenue: Marginal — $200 - $1250/mo · INDIE tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.53★ across 62 reviews — weak — significant quality concerns.
- 📍 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 = $9K-$16K.
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 5 of 5 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Paid app ($15.99)METRIC | +$2,800 | |
| Excellent rating (4.5★)METRIC | +$2,200 | |
| Multilingual (22 languages)METRIC | +$1,500 | |
| Established app (3y old)METRIC | +$800 | |
| Pre-traction phase (62 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.
🆕 What's New · v3.9.44
Fixed issue with the app not loading on a small number of devices
Fixed issue with library synchronization to iCloud not working
Updated many dependencies to get the latest fixes and improvements
Fixed issue with library synchronization to iCloud not working
Updated many dependencies to get the latest fixes and improvements
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- MobileSheets®
- Developer
- Michael Zuber
- Bundle ID
- com.zubersoft.MobileSheets
- App Store URL
- Open in App Store
- Category
- News
- Content rating
- 4+
- Languages
- CA, CS, DA, NL, EN, FI, FR, DE, EL, IT, JA, KO, NB, PL, PT, RU, ZH, SK, ES, ZH, TR, UK
Company
- Website
- zubersoft.com
- 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
- $500/mo
- Top-grossing rank
- Outside top 100 in US News
- 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.
🌍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.
📝 About this app
MobileSheets is the ultimate sheet music viewer for the iPhone, iPad and Mac. It frees you from having to lug around books and binders, and gives you the ability to access any score in your library in seconds. It also comes with a number of powerful features for musicians including:
- Connect to other devices running MobileSheets on any platform, and easily share songs and setlists.
- Synchronize device libraries using WiFi, bluetooth or the cloud
- Multiple modes of operation including two pages side-by-side, half page turns, and vertically scrolling pages.… View full description on the official store →
- Connect to other devices running MobileSheets on any platform, and easily share songs and setlists.
- Synchronize device libraries using WiFi, bluetooth or the cloud
- Multiple modes of operation including two pages side-by-side, half page turns, and vertically scrolling pages.… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 129 MB🔞 4+📱 iOS 15.0+🔖 v3.9.44🔄 updated 1mo ago🌐 CA, CS, DA, NL, EN +17📂 News💰 Free🚀 Launched 2022 (3y old)
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇦🇺 AU | 5★ | 5 | 5★ this version |
| 🇧🇷 BR | 5★ | 2 | 5★ this version |
| 🇨🇦 CA | 5★ | 3 | 5★ this version |
| 🇩🇪 DE | 4.20512★ | 78 | 4.20512★ this version |
| 🇫🇷 FR | 4.75★ | 12 | 4.75★ this version |
| 🇬🇧 GB | 4.61538★ | 13 | 4.61538★ this version |
| 🇮🇳 IN | 5★ | 1 | 5★ this version |
| 🇯🇵 JP | 4.42856★ | 7 | 4.42856★ this version |
| 🇺🇸 US | 4.53968★ | 63 | 4.53968★ this version |
🔔
Track this app’s revenue
FREEGet an email when revenue moves by your threshold. No spam, unsubscribe in one click.
📝 Description
95
BU Score · Transcendent
About this analysis
Why low confidence: only 62 ratings · no founder-verified revenue (model estimate only) · revenue figure is directional only.
❓ Frequently Asked Questions
9 answers · auto-generated from this app's public dataHow much does MobileSheets® make per month?▴
Based on our ML-calibrated revenue forecast, MobileSheets® earns approximately $500/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 MobileSheets® profitable?▴
With estimated build cost $120K and monthly revenue $500, MobileSheets® 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 MobileSheets®?▴
Browse the full News 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 MobileSheets® built with?▴
Our heuristic places MobileSheets® 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 MobileSheets® still actively maintained?▴
Maintenance status: Slowing (25% 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 MobileSheets® sell for?▴
Estimated acquisition value: $10K (marketplace range $5.0K – $10K). Calculated as 17× 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 MobileSheets® last updated?▴
MobileSheets® last shipped a new version on 2026-08-13 — 1 months ago. This is the date Apple / Google last accepted a new build, not a content-only push.
Who makes MobileSheets®?▴
MobileSheets® is published by Michael Zuber 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 MobileSheets®'s BU Score?▴
MobileSheets® has a BU Score of 54/100 (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.