66
BU Score
Solid
Ruler®
✍️ BU Analytics Review
“
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.
Our BU Score puts it at 66 — Solid (established niche player). For a Utilities app, that means established niche player.
Track changes month-over-month in the Performance section below — live snapshot history and revenue forecast included.
creator
📊 Performance Tracking LIVE
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Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
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.
💚Sentiment Over Time↑ green = positive · ↓ red = negative
Apr 25
May 25
Jun 25
Jul 25
Aug 25
Sep 25
Nov 25
Dec 25
Jan 26
Feb 26
Mar 26
Apr 26
⭐ Rating Trend
LIVEAverage rating evolution. Updates with each new review batch.
🗓️ Snapshot Timeline
HISTORYEach bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →💾 25 MB🔞 4+📱 iOS 15.0+🔖 v3.8.5🔄 updated 4mo ago🌐 EN📂 Utilities💰 Free🚀 Launched 2013 (13y old)
📝 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.
- Photo Measures Mode: Add measurement data directly to your photos for organized documentation.
Make every measurement a breeze with our complete ruler solution! Download now for a sleek and efficient measuring experience.
Terms Of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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.
- Photo Measures Mode: Add measurement data directly to your photos for organized documentation.
Make every measurement a breeze with our complete ruler solution! Download now for a sleek and efficient measuring experience.
Terms Of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
🆕 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
- www.phoenixmobileonline.com
- 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
- Name
- Not found
- X / Twitter
- Not found
- Not found
- GitHub
- Not found
- X followers
- Not found
- Public statements
- Not found
Funding
- Total raised
- Not found
- Last round
- Not found
- Investors
- Not found
- Crunchbase
- Not found
- AngelList
- Not found
Press & Links
- Articles found
- Not found
- Listed on
- Not found
- Blog
- Not found
- Press / News
- Not found
Contacts & Socials
- Socials
- Not found
- support@phoenixmobileonline.com
- Phone
- Not found
- Contact page
- Not found
- About page
- Not found
⭐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%)
+136,726 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
★★★★★ Excellent app, especially for what it costs
Tried various measuring apps, only - the one's that were free were terrible and the better ones all wanted a subscription.
Once familiar with this one, I found it to be excellent and tested it to make sure. Took a photo of a ruler, se…
★★★★★ Wow!
Wow!…
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+13% lifetimeShow 3-year history estimate ▾
Tracked (57 weeks) Pre-tracking estimate (36 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.
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