Ruler®
71
Quality Score
Strong
Ruler®
High confidence
✍️ bumetric analysis
“
Ruler® is an iOS app from Tue Nguyen Minh in the Utilities category, currently rated 4.3★ across 35,045 ratings. Initial signal reads as mostly critical sentiment so far: users flag rough edges and unmet expectations.
Quality Score is 71: Strong (healthy traction). For a Utilities 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
Loading…
Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
ONE-TIME · BUILD
💰 Estimated build cost
$45K
↳ What it cost to build · not monthly revenue
Likely range $35K – $60K
$25K · MVP floor
$100K · indie scale
$500K+ · studio build
📈
Pays back in ~2.3y 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 |
| ⚙ Utilities complexity ×0.85 | $-7575 |
Total estimate
$45K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$20K
↳ What it would sell for · not monthly revenue
Marketplace range $15K – $30K · 14× MRR multiple
💸
~0.4× 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 |
| 🏷 Utilities category multiple | -10% |
Final multiple
14× MRR
👥 Estimated audience size
7.0M
Lifetime downloads (US-equivalent)
Monthly active
1.4M
Daily active
280K
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
| 📲 Utilities engagement | ~200 installs / rating |
| 🔁 Utilities D30 retention | 20% |
| 📍 DAU / MAU stickiness | 0.20 |
DAU / MAU
20% sticky
🔬
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 · 52/100MID TIERunderperforming peersRevenue Strength
3.7
Product Quality
8.7
Market Position
2.0
Growth Velocity
5.0
Defensibility
6.0
Operational Safety
10.0
Founder Strength
5.3
Monetization Maturity
1.0
- 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.34★ across 35,045 reviews — strong (top 10%).
- 📍 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 = $90K-$160K. Portfolio play ($18K/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 11 of 11 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Mid install base (35,045 ratings)METRIC | +$5,500 | |
| bugsREVIEW | −$1,800 | |
| 5 starREVIEW | +$1,800 | |
| excellent appREVIEW | +$1,500 | |
| Mature app (13y old)METRIC | +$1,500 | |
| slowREVIEW | −$1,200 | |
| annoying adsREVIEW | −$1,100 | |
| priceyREVIEW | −$800 | |
| Good rating (4.3★)METRIC | +$800 | |
| Ad-supported / freemiumMETRIC | +$600 | |
| 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 · v3.8.5
Minor bug fixes
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Ruler®
- Developer
- Tue Nguyen Minh
- Bundle ID
- com.phoenixsolutions.ruler
- App Store URL
- Open in App Store
- Category
- Utilities
- 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
- Verified revenue / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- ML model estimate / mo
- $1.6K/mo
- Top-grossing rank
- Outside top 100 in US Utilities
- 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.
✨AI Revenue EstimateCONFIDENCE: LOW
Publicly available data from sources like Sensor Tower, Statista, Adapty, and Reddit does not provide specific revenue estimates for the iOS app "Ruler®" by Tue Nguyen Minh. The app is listed as free with in-app purchases, but no concrete figures for its earnings could be found.
Sources mentioned: Sensor Tower, Statista, Adapty, Reddit, Apple App Store
⭐Recent App Store Reviews49 latest · avg 1.8★ · 16.3% 5★ · 71.4% 1★
5★8 (16%)
4★0 (0%)
3★1 (2%)
2★5 (10%)
1★35 (71%)
+4 ratings/week
Praise: great ×2 love ×2 excellent ×2 amazing ×1 perfect ×1Complaints: subscription ×5 terrible ×3 refund ×1 worst ×1 bug ×1
Top positive
★★★★★ Perfect
I used it to mesure my thingie and it worked amazing!…
★★★★★ Works great, excellent user features, 2 very minor bugs
Each feature I tried worked really well and left me thinking “wow, someone actually tested and iterated on the UI.” I love that it doesn’t collect my user data.
The tape measure feature takes a little finesse to be accurate.
2 minor bugs …
Top negative
★☆☆☆☆ Seriously Hot Garbage
The app has very sharp and professional looking graphics, which is what made me think I should take a risk on buying the application. Unfortunately the reference object concept is completely unusable. If I want to get a measurement it has t…
★☆☆☆☆ No Inches
You have to pay to upgrade to get inches and centimeters…
📈Ratings growth35,045 ratings+15% lifetimeShow 3-year history estimate ▾
Tracked (57 weeks) Pre-tracking estimate (34 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.
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
Your Comprehensive Ruler Solution for Your Phone!
Experience the ultimate ruler toolkit on your phone, featuring a classic ruler, a tape measure, and a camera ruler.
Key Features:
- Elegant Design: Enjoy a stylish and user-friendly interface for all your measurement needs.
- Dual Units: Easily switch between inches and centimeters for versatile measuring.
- Precision Sliders: Accurately measure small objects with intuitive sliders.
- Camera Ruler Mode: Utilize your phone's camera to measure objects seamlessly.… View full description on the official store →
Experience the ultimate ruler toolkit on your phone, featuring a classic ruler, a tape measure, and a camera ruler.
Key Features:
- Elegant Design: Enjoy a stylish and user-friendly interface for all your measurement needs.
- Dual Units: Easily switch between inches and centimeters for versatile measuring.
- Precision Sliders: Accurately measure small objects with intuitive sliders.
- Camera Ruler Mode: Utilize your phone's camera to measure objects seamlessly.… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 25 MB🔞 4+📱 iOS 15.0+🔖 v3.8.5🔄 updated 0d ago🌐 EN📂 Utilities💰 Free
📅
What Worked™ · Development Pipeline
10 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
🔄
Monetization changed: freemium → free
2026-03
⭐
Rating ↑ 1.32 → 4.30 (improved 2.98★)
2026-03
📈
Crossed 1,000 ratings — social-proof flywheel kicking in
2026-03
📈
Crossed 500 ratings — social-proof flywheel kicking in
2020-08
📈
Crossed 100 ratings — social-proof flywheel kicking in
2020-07
📈
Crossed 50 ratings — social-proof flywheel kicking in
2020-07
📈
Crossed 10 ratings — social-proof flywheel kicking in
2020-06
⭐
Rating ↓ 2.33 → 2.00 (dropped 0.33★)
2020-06
🚀
First tracked snapshot — initial data captured
2020-06
⭐
Rating ↑ 1.00 → 2.33 (improved 1.33★)
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇺🇸 US | 4.3353★ | 35,064 | 4.3353★ this version |
| 🇬🇧 GB | 4.28709★ | 2,884 | 4.28709★ this version |
| 🇩🇪 DE | 4.23418★ | 632 | 4.23418★ this version |
| 🇫🇷 FR | 4.14217★ | 415 | 4.14217★ this version |
| 🇯🇵 JP | 3.91209★ | 91 | 3.91209★ this version |
| 🇨🇦 CA | 4.22068★ | 2,379 | 4.22068★ this version |
| 🇦🇺 AU | 4.18876★ | 2,082 | 4.18876★ this version |
| 🇧🇷 BR | 4.456★ | 125 | 4.456★ this version |
| 🇮🇳 IN | 4.34489★ | 577 | 4.34489★ this version |
🔔
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📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for Ruler®: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
More by Tue Nguyen Minh
View all →📦 Portfolio summaryINDIE studio
2apps·$18K/mocombined
⚠ Concentrated — top app contributes 100% of combined revenue (single-app dependency)
Similar apps in Utilities
About this analysis
Why high confidence: 35,045 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
4 answers · auto-generated from this app's public dataHow much does Ruler® make per month?▴
Based on our ML-calibrated revenue forecast, Ruler® earns approximately $1.6K/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.
What apps are like Ruler®?▴
Browse the full Utilities 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.
Who makes Ruler®?▴
Ruler® is published by Tue Nguyen Minh 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 Ruler®'s BU Score?▴
Ruler® has a BU Score of 71/100 (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.