Sketches Switch - Color Pencil
73
Quality Score
Strong
✍️ Bumetric analysis
“
Sketches Switch - Color Pencil is an iOS app from 立明 张 in the Shopping category, currently rated 4.6★ across 1,978 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 73: Strong (healthy traction). For a Shopping app, that means healthy traction. 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
82 snapshots on record
Rating
4.6
Reviews
1,978 reviews
Forecast Revenue / mo
$5.0K
Snapshots tracked
82
since Jul 2017
ONE-TIME · BUILD
💰 Estimated build cost
$165K
↳ What it cost to build · not monthly revenue
Likely range $125K – $225K
$25K · MVP floor
$100K · indie scale
$500K+ · studio build
📈
Pays back in ~2.8y 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 (78 MB) | +$11K |
| ⚙ Shopping complexity ×1.30 | +$18K |
| ⚙ 14.1y maintenance × ~1-person team | +$84K |
Total estimate
$165K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$100K
↳ What it would sell for · not monthly revenue
Marketplace range $75K – $125K · 20× MRR multiple
💸
~0.6× 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 |
| 📅 14.1y proven track record | +20% |
| ⭐ ★ rating ≥ 4.4 (solid) | +8% |
| 🏷 Shopping category multiple | +2% |
Final multiple
20× MRR
👥 Estimated audience size
135K
Lifetime downloads (US-equivalent)
Monthly active
4.3K
Daily active
770
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
| 📲 Shopping engagement | ~100 installs / rating |
| 📅 14.1y of rating accumulation | -30% |
| 🔁 Shopping D30 retention | 12% |
| 📍 DAU / MAU stickiness | 0.18 |
DAU / MAU
18% sticky
🛠 Estimated tech stack
🍎
Native iOS (Swift / UIKit)
Medium confidence · 70%
Also possible
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 | 78 MB |
| 🏷 Category context | Shopping |
| 📦 Small-mid iOS bundle | → Native Swift / UIKit (pre-2020 era) |
💀 Maintenance status
Likely abandoned
93%
Last shipped 2023-12-20 · 1009 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
| 📅 2y+ since last update | Likely abandoned |
| • 14y old + 1y+ no update | +5% (API deprecation drift) |
Verdict
Likely 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)
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 · 49/100MID TIERunderperforming peersGrowth Velocity
5.0
Founder Strength
5.9
Product Quality
8.3
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: 4.61★ across 1,978 reviews — strong (top 10%).
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: ⚠ last update 1005d ago — possibly dormant.
- ⚠️ Risk: Moderate — dormant (1005d 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 ($17K/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 10 of 10 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 (4.6★)METRIC | +$2,200 | |
| 5 starREVIEW | +$1,800 | |
| excellent appREVIEW | +$1,500 | |
| Low install base (1,978 ratings)METRIC | +$1,500 | |
| Mature app (14y old)METRIC | +$1,500 | |
| highly recommendREVIEW | +$1,400 | |
| slowREVIEW | −$1,200 | |
| annoying adsREVIEW | −$1,100 | |
| Localized (6 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.
⭐ Rating Trend
LIVEAverage rating evolution. Updates with each new review batch.
🆕 What's New · v4.9
fix
- some effects now work on iOS17
- some effects now work on iOS17
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Sketches Switch - Color Pencil
- Developer
- 立明 张
- Bundle ID
- com.iosfunny01.MySketchFree
- App Store URL
- Open in App Store
- Category
- Shopping
- Content rating
- 4+
- Languages
- EN, FR, PT, RU, ZH, ES
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
- 🇮🇳#67 /99 🇧🇷#84 /99
- 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 growth1,980 ratings+379% lifetimeShow 3-year history estimate ▾
Tracked (60 weeks) Pre-tracking estimate (0 weeks) · model-based, ±5% noise · anchored to release date and current value
🌍Top Countries — Grossing Rank2 countries
🇮🇳IN#67 /99
🇧🇷BR#84 /99
📊Category Rank Trajectory#67 now · best #67 · worst #99
Lower line = better rank · Estimate from ratings growth model · Lower position on chart = worse rank · Higher = top of chart
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
SKETCH MASTER is a simple, funny app that lets you convert your photos into sketch or cartoon avatars by applying up to 60 different image effects filters.
------WHAT ARE THEY SAYING:
(1) Awesome review [5-Stars] [from US] by Reporteroverandout
This app works very good it will turn a old an boring pic of yours into something totally new! Ok so now u haw read this crazy review..... So go ahead and download the app I have had 0 problems with it:)
(2) Amazing and Easy! [5-Stars] [from US] by Gracie_elizabeth… View full description on the official store →
------WHAT ARE THEY SAYING:
(1) Awesome review [5-Stars] [from US] by Reporteroverandout
This app works very good it will turn a old an boring pic of yours into something totally new! Ok so now u haw read this crazy review..... So go ahead and download the app I have had 0 problems with it:)
(2) Amazing and Easy! [5-Stars] [from US] by Gracie_elizabeth… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 78 MB🔞 4+📱 iOS 12.0+🔖 v4.9🔄 updated 2y ago🌐 EN, FR, PT, RU, ZH +1📂 Shopping💰 Paid🚀 Launched 2012 (14y old)
📅
What Worked™ · Development Pipeline
8 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
📈
Crossed 500 ratings — social-proof flywheel kicking in
2026-05
🔄
Monetization changed: paid → free
2026-03
📈
Crossed 500 ratings — social-proof flywheel kicking in
2017-07
🚀
First tracked snapshot — initial data captured
→ 30 days after: revenue +$9.8K/mo · rating +0.08★ · reviews +111 medium · co-occurring
2017-07
📈
Crossed 100 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$9.8K/mo · rating +0.08★ · reviews +111 medium · co-occurring
2017-07
📈
Crossed 50 ratings — social-proof flywheel kicking in
2017-07
📈
Crossed 10 ratings — social-proof flywheel kicking in
2017-07
🚀
First tracked snapshot — initial data captured
🌍
Multi-Country Performance
Available in 7 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇦🇺 AU | 4.48649★ | 111 | 4.48649★ this version |
| 🇧🇷 BR | 4.70174★ | 114 | 4.70174★ this version |
| 🇨🇦 CA | 4.5★ | 286 | 4.5★ this version |
| 🇬🇧 GB | 4.54938★ | 162 | 4.54938★ this version |
| 🇮🇳 IN | 4.09999★ | 40 | 4.09999★ this version |
| 🇯🇵 JP | 4★ | 7 | 4★ this version |
| 🇺🇸 US | 4.6117★ | 1,983 | 4.6117★ 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
Full revenue analysis
Read the article-style breakdown for Sketches Switch - Color Pencil: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
More by 立明 张
View all →📦 Portfolio summaryBIG studio
3apps·$2.5M/mocombined
⚠ Concentrated — top app contributes 100% of combined revenue (single-app dependency)
About this analysis
Why medium confidence: 1,978 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
10 answers · auto-generated from this app's public dataHow much does Sketches Switch - Color Pencil make per month?▴
Based on our ML-calibrated revenue forecast, Sketches Switch - Color Pencil 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 Sketches Switch - Color Pencil profitable?▴
With estimated build cost $165K and monthly revenue $5.0K, Sketches Switch - Color Pencil looks break-even-grade — payback period sits around 2.8 years. Profitability also depends on paid-acquisition spend and refund rate which the public model doesn't see.
How many users does Sketches Switch - Color Pencil have?▴
Estimated audience: ~135K lifetime downloads, ~4K monthly active users, and ~770 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 Sketches Switch - Color Pencil?▴
Browse the full Shopping 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 Sketches Switch - Color Pencil built with?▴
Our heuristic places Sketches Switch - Color Pencil on the Native iOS (Swift / UIKit) stack (Medium confidence, 70%). Signals: app bundle size, category context, store-description markers, release-date era. We don't disassemble binaries. Alternative possibilities: Flutter.
Is Sketches Switch - Color Pencil still actively maintained?▴
Maintenance status: Likely abandoned (93% abandonment risk). Last shipped version was 2+ years ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.
How much would Sketches Switch - Color Pencil sell for?▴
Estimated acquisition value: $100K (marketplace range $75K – $125K). 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 Sketches Switch - Color Pencil last updated?▴
Sketches Switch - Color Pencil last shipped a new version on 2023-12-20 — more than 2 year(s) ago. This is the date Apple / Google last accepted a new build, not a content-only push.
Who makes Sketches Switch - Color Pencil?▴
Sketches Switch - Color Pencil is published by 立明 张 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 Sketches Switch - Color Pencil's BU Score?▴
Sketches Switch - Color Pencil has a BU Score of 73/100 (Strong). The score combines App Store rating, ratings count, monetization model and revenue signals calibrated against founder-verified MRR anchors. See the BU Score formula.