Purify: Block Ads and Tracking
65
Quality Score
Solid
Purify: Block Ads and Tracking
by Chris Aljoudi
Medium confidence
✍️ Bumetric analysis
“
Purify: Block Ads and Tracking is an iOS app from Chris Aljoudi in the Productivity category, currently rated 4.1★ across 725 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 65: Solid (established niche player). For a Productivity 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
$6.0K
per month
→
12-mo forecast
$6.2K – $12.9K
per month
→
24-mo forecast
$7.6K – $22.9K
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
98 snapshots on record
Rating
4.1
Reviews
725 reviews
Forecast Revenue / mo
$6.0K
Snapshots tracked
98
since Jul 2016
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
📈
Pays back in ~1.7y 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 |
| ⚙ Productivity complexity ×1.10 | +$5K |
| ⚙ 11.0y maintenance × ~1-person team | +$66K |
Total estimate
$120K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$100K
↳ What it would sell for · not monthly revenue
Marketplace range $75K – $150K · 18× MRR multiple
💸
~0.8× 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 |
| 📅 11.0y proven track record | +20% |
| 🏷 Productivity category multiple | +8% |
| ⭐ Small user base (<1K ratings) | -8% |
Final multiple
18× MRR
👥 Estimated audience size
38K
Lifetime downloads (US-equivalent)
Monthly active
5.2K
Daily active
2.3K
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
| 📲 Productivity engagement | ~75 installs / rating |
| 📅 11.0y of rating accumulation | -30% |
| 🔁 Productivity D30 retention | 30% |
| 📍 DAU / MAU stickiness | 0.45 |
DAU / MAU
44% sticky
🛠 Estimated tech stack
🍎
Native iOS (Swift / UIKit)
High confidence · 80%
Also possible
Native iOS (SwiftUI)
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 | 24 MB |
| 🏷 Category context | Productivity |
| 📦 Compact iOS bundle | → Native Swift / UIKit (pre-2020 era) |
💀 Maintenance status
Likely abandoned
93%
Last shipped 2018-09-21 · 2924 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
| 📅 8y+ since last update | Likely abandoned |
| • 11y old + 1y+ no update | +5% (API deprecation drift) |
Verdict
Likely abandoned
🔬
How we forecast this revenue
MEDIUM CONFIDENCEBaseline
$6.0K/mo · ML-estimated from 234 triggers
Growth rate
+4.0% MoM · MID tier baseline (compound monthly)
6 months
$5.6K – $9.4K
12 months
$6.2K – $12.9K
24 months
$7.6K – $22.9K
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
5.4
Product Quality
5.7
Revenue Strength
3.8
Monetization Maturity
1.0
Defensibility
4.5
Market Position
2.0
Operational Safety
7.0
- 💰 Revenue: Modest — $4K - $8K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.1★ across 725 reviews — below category median.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: ⚠ last update 2921d ago — possibly dormant.
- ⚠️ Risk: Moderate — dormant (2921d 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 = $107K-$190K. Portfolio play ($24K/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 13 of 13 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 | |
| worth every pennyREVIEW | +$2,000 | |
| bugsREVIEW | −$1,800 | |
| 5 starREVIEW | +$1,800 | |
| great valueREVIEW | +$1,600 | |
| excellent appREVIEW | +$1,500 | |
| Mature app (11y old)METRIC | +$1,500 | |
| highly recommendREVIEW | +$1,400 | |
| slowREVIEW | −$1,200 | |
| annoying adsREVIEW | −$1,100 | |
| Good rating (4.1★)METRIC | +$800 | |
| Early-stage install base (725 ratings)METRIC | +$400 | |
| Single-language (English only)METRIC | −$400 |
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 · v1.4
Purify is now fully optimized for iOS 12, with better blocking performance than ever. Also in this release:
We’ve included a few refinements and bug fixes, and handy new features like contacting the Purify team right from the app.… Full release notes →
We’ve included a few refinements and bug fixes, and handy new features like contacting the Purify team right from the app.… Full release notes →
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Purify: Block Ads and Tracking
- Developer
- Chris Aljoudi
- Bundle ID
- Not found
- App Store URL
- Open in App Store
- Category
- Productivity
- Content rating
- 4+
- Languages
- EN
Company
- Website
- Not found
- Tagline
- Not found
- 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
- $6.0K/mo
- Top-grossing rank
- Not found
- 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 growth729 ratings+93% 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 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 → $1.99 (+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.
📝 About this app
Featured & recommended by CNBC, Wall Street Journal, BuzzFeed, NY Times, Huffington Post, and many more.
Block ads & tracking with the most efficient blocker on the App Store. Browse 4x faster. Save 50% of your data usage.
Browse in Peace™ with the easiest, most efficient blocker for Safari on iOS — load pages 4X FASTER and protect your privacy.
#1 on the App Store worldwide in the paid apps category.
#1 Productivity app in the U.S. and worldwide.
Trusted and loved by hundreds of thousands of users, Purify is the best-selling blocker on the App Store.… View full description on the official store →
Block ads & tracking with the most efficient blocker on the App Store. Browse 4x faster. Save 50% of your data usage.
Browse in Peace™ with the easiest, most efficient blocker for Safari on iOS — load pages 4X FASTER and protect your privacy.
#1 on the App Store worldwide in the paid apps category.
#1 Productivity app in the U.S. and worldwide.
Trusted and loved by hundreds of thousands of users, Purify is the best-selling blocker on the App Store.… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 24 MB🔞 4+📱 iOS 10.0+🔖 v1.4🔄 updated 8y ago🌐 EN📂 Productivity💰 Paid🚀 Launched 2015 (11y old)
📅
What Worked™ · Development Pipeline
15 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 $1.99 price point
2026-05
⭐
Rating ↓ 4.10 → 3.75 (dropped 0.35★)
2026-03
⭐
Rating ↑ 3.12 → 4.10 (improved 0.98★)
2025-10
📈
Crossed 500 ratings — social-proof flywheel kicking in
2016-12
📈
Crossed 100 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$164/mo · reviews +5 high confidence
2016-12
📈
Crossed 100 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$686/mo · rating +0.24★ · reviews +20 high confidence
2016-10
📈
Crossed 50 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$271/mo · reviews +9 high confidence
2016-10
⭐
Rating ↑ 2.21 → 3.01 (improved 0.80★)
→ 30 days after: revenue +$271/mo · reviews +9 high confidence
2016-10
📈
Crossed 50 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$1.5K/mo · rating +0.80★ · reviews +47 high confidence
2016-07
🚀
First tracked snapshot — initial data captured
→ 30 days after: revenue +$236/mo · rating +0.12★ · reviews +8 high confidence
2016-07
⭐
Rating ↑ 1.88 → 2.22 (improved 0.34★)
→ 30 days after: revenue +$236/mo · rating +0.12★ · reviews +8 high confidence
2016-07
📈
Crossed 10 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$236/mo · rating +0.12★ · reviews +8 high confidence
2016-07
⭐
Rating ↑ 1.80 → 2.17 (improved 0.37★)
→ 30 days after: revenue +$236/mo · rating +0.12★ · reviews +8 medium · co-occurring
2016-07
⭐
Rating ↑ 1.00 → 2.00 (improved 1.00★)
→ 30 days after: revenue +$236/mo · rating +0.12★ · reviews +8 medium · co-occurring
2016-07
🚀
First tracked snapshot — initial data captured
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇦🇺 AU | 3.52★ | 50 | 3.52★ this version |
| 🇧🇷 BR | 3.72727★ | 11 | 3.72727★ this version |
| 🇨🇦 CA | 3.55319★ | 47 | 3.55319★ this version |
| 🇩🇪 DE | 4.09091★ | 132 | 4.09091★ this version |
| 🇫🇷 FR | 3.05556★ | 18 | 3.05556★ this version |
| 🇬🇧 GB | 3.74419★ | 86 | 3.74419★ this version |
| 🇮🇳 IN | 4.875★ | 8 | 4.875★ this version |
| 🇯🇵 JP | 3.88889★ | 9 | 3.88889★ this version |
| 🇺🇸 US | 3.75446★ | 729 | 3.75446★ this version |
🔔
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📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for Purify: Block Ads and Tracking: 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: 725 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
10 answers · auto-generated from this app's public dataHow much does Purify make per month?▴
Based on our ML-calibrated revenue forecast, Purify earns approximately $6.0K/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 Purify profitable?▴
With estimated build cost $120K and monthly revenue $6.0K, Purify looks break-even-grade — payback period sits around 1.7 years. Profitability also depends on paid-acquisition spend and refund rate which the public model doesn't see.
How many users does Purify have?▴
Estimated audience: ~38K lifetime downloads, ~5K monthly active users, and ~2K 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 Purify?▴
Browse the full Productivity 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 Purify built with?▴
Our heuristic places Purify on the Native iOS (Swift / UIKit) stack (High confidence, 80%). Signals: app bundle size, category context, store-description markers, release-date era. We don't disassemble binaries. Alternative possibilities: Native iOS (SwiftUI).
Is Purify still actively maintained?▴
Maintenance status: Likely abandoned (93% abandonment risk). Last shipped version was 8+ years ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.
How much would Purify sell for?▴
Estimated acquisition value: $100K (marketplace range $75K – $150K). Calculated as 18× 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 Purify last updated?▴
Purify last shipped a new version on 2018-09-21 — more than 8 year(s) ago. This is the date Apple / Google last accepted a new build, not a content-only push.
Who makes Purify?▴
Purify is published by Chris Aljoudi 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 Purify's BU Score?▴
Purify has a BU Score of 65/100 (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.