ROLLIE'S: 35mm Film Camera
54
Quality Score
Solid
ROLLIE'S: 35mm Film Camera
by 마야크루
Low confidence
✍️ Bumetric analysis
“
ROLLIE'S: 35mm Film Camera is an iOS app from 마야크루 in the Education category, currently rated 4.7★ across 30 ratings. Initial signal reads as no scraped reviews yet: judgment based on metadata only.
Quality Score is 54: Solid (established niche player). For a Education 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
4.7
Reviews
30 reviews
Forecast Revenue / mo
$500
Snapshots tracked
1
since Oct 2026
ONE-TIME · BUILD
💰 Estimated build cost
$85K
↳ What it cost to build · not monthly revenue
Likely range $65K – $115K
$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 (101 MB) | +$20K |
| ⚙ Education complexity ×1.20 | +$14K |
Total estimate
$85K
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 |
| ⭐ ★ rating ≥ 4.7 (premium) | +15% |
| 🏷 Education category multiple | +6% |
| ⭐ 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 | 101 MB |
| 🏷 Category context | Education |
| 📦 Mid-large iOS bundle | → Likely native SwiftUI (post-2020 era) |
💀 Maintenance status
Active
5%
Last shipped 2026-11-03 · 11 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
| 📅 11 days since last update | Active development |
Verdict
Active
🔬
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 · 37/100INDIE TIERlimited signalGrowth Velocity
5.0
Founder Strength
3.0
Product Quality
3.5
Revenue Strength
2.7
Monetization Maturity
1.0
Defensibility
2.0
Market Position
2.0
Operational Safety
10.0
- 💰 Revenue: Marginal — $200 - $1250/mo · INDIE tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.4★ across 10 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 ($6.99)METRIC | +$2,800 | |
| Excellent rating (4.7★)METRIC | +$2,200 | |
| Multilingual (12 languages)METRIC | +$1,500 | |
| New app (2 months old)METRIC | −$700 | |
| Pre-traction phase (30 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 · v1.0.25
Tap the finder to set focus and exposure right there — it holds until your next tap. Press and hold for AE/AF lock.
When nothing happens for a while, the finder rests to keep the phone cool and save battery. Tap to wake it.
When nothing happens for a while, the finder rests to keep the phone cool and save battery. Tap to wake it.
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- ROLLIE'S: 35mm Film Camera
- Developer
- 마야크루
- Bundle ID
- com.mayacrew.rollies
- App Store URL
- Open in App Store
- Category
- Education
- Content rating
- 4+
- Languages
- EN, FR, DE, ID, JA, KO, PT, ZH, ES, TH, ZH, VI
Company
- Website
- juno-5.github.io
- Tagline
- MAYACREW
- Description
- Not found
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- Not found
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
- 🇮🇳#97 /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.
🗺️Geographic Distribution1 of 9 markets
🇮🇳
IN
Top-grossing rank: #97 / 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.
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
A little camera shop in your pocket.
Choose a camera. Pick a lens. Load a roll. Every combination has its own look, baked live into the viewfinder before you ever press the shutter. No sliders, no presets to scroll: you compose the feel by choosing your gear, the way you would with real film.
A roll is 36 shots, and there is always another: every film on the shelf is yours, roll after roll.
• A real optical pipeline — body color science, lens character, and film stock, layered the way light actually stacks up
• Live viewfinder preview: what you see is what develops… View full description on the official store →
Choose a camera. Pick a lens. Load a roll. Every combination has its own look, baked live into the viewfinder before you ever press the shutter. No sliders, no presets to scroll: you compose the feel by choosing your gear, the way you would with real film.
A roll is 36 shots, and there is always another: every film on the shelf is yours, roll after roll.
• A real optical pipeline — body color science, lens character, and film stock, layered the way light actually stacks up
• Live viewfinder preview: what you see is what develops… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 101 MB🔞 4+📱 iOS 16.4+🔖 v1.0.25🔄 updated 1w ago🌐 EN, FR, DE, ID, JA +7📂 Education💰 Free🚀 Launched 2026 (0y old)
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇦🇺 AU | 5★ | 3 | 5★ this version |
| 🇧🇷 BR | 4.66667★ | 3 | 4.66667★ this version |
| 🇨🇦 CA | 5★ | 6 | 5★ this version |
| 🇩🇪 DE | 0★ | 0 | — |
| 🇫🇷 FR | 5★ | 1 | 5★ this version |
| 🇬🇧 GB | 5★ | 12 | 5★ this version |
| 🇮🇳 IN | 5★ | 3 | 5★ this version |
| 🇯🇵 JP | 4.14815★ | 54 | 4.14815★ this version |
| 🇺🇸 US | 4.7★ | 30 | 4.7★ 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 30 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 ROLLIE'S make per month?▴
Based on our ML-calibrated revenue forecast, ROLLIE'S 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 ROLLIE'S profitable?▴
With estimated build cost $85K and monthly revenue $500, ROLLIE'S 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 ROLLIE'S?▴
Browse the full Education 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 ROLLIE'S built with?▴
Our heuristic places ROLLIE'S 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 ROLLIE'S still actively maintained?▴
Maintenance status: Active (5% abandonment risk). Last shipped version was 11 days ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.
How much would ROLLIE'S 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 ROLLIE'S last updated?▴
ROLLIE'S last shipped a new version on 2026-11-03 — less than a month ago. This is the date Apple / Google last accepted a new build, not a content-only push.
Who makes ROLLIE'S?▴
ROLLIE'S is published by 마야크루 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 ROLLIE'S's BU Score?▴
ROLLIE'S 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.