Ruler+ Utility vs Ruler
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ruler+ Utility
Transform your smartphone into a versatile measuring tool. Instantly measure the length of objects using your phone's screen, with options for fixed or scroll modes. Save your measurements and choose between centimeters or inches for precise results.
- Smartphone ruler
- Fixed and scroll measurement modes
- Save measurements
- Centimeter and inch support
- Fine-tune scale
- Intuitive interface
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This app transforms your smartphone into a handy ruler. Whenever you’re curious about the length of something, you can measure it instantly with just your smartphone! From a pencil on your desk to the thickness of a book, 'Ruler' is perfect for quickly checking lengths. Without any complex explanations or difficult features, just open the app and measure according to the scale. Its intuitive interface allows anyone to measure quickly and accurately. Measurement methods: 1) Fixed Ruler: Place the object you want to measure on your smartphone, touch the screen with your finger, and move it to the end of the object to measure its length. 2) Scroll Ruler: Use this method to measure objects longer than your smartphone. Place your smartphone next to the object, hold it with your thumb and middle finger, touch the screen with your index finger, and move the phone gradually to measure the length. Main Features: - Easily save the measurements you take - Measure in both centimeters (cm) and inches (inch) - Fine-tune the scale for more precise measurements - Choose between fixed and scroll modes depending on your needs Never worry about not having a ruler again. With 'Ruler', you can measure anything conveniently at any time. Experience smart measurement now!
Ruler
Measure lengths, widths, and diagonals accurately using your phone. Switch between metric and imperial units, and utilize flexible starting points for precise measurements in any direction. Features auto-calibration for minimal error and a screen lock to preserve readings.
- Multi-mode measurement (CM, MM, Inches, Fractions)
- Flexible starting points
- Full-direction measurement (horizontal, vertical, diagonal)
- Auto-calibration for accuracy
- Screen lock for preserving readings
- Ad-free VIP option
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Ditch bulky tools! Measure lengths, widths, and diagonals precisely anywhere with just your phone. *** Features *** ► Smart Multi-Mode Measure * Switch units freely: cm/mm, inch/fractions, with dual-unit display for instant comparison. * Flexible starting points: Measure from screen edges or device edges for diverse scenarios. * Full-direction coverage: Horizontal, vertical, or diagonal measurements. Paired with the 2.54m ultra-long scroll ruler, no corner is beyond reach! ► Zero-error Guarantee * Auto-calibration tech: Dynamically adjusts based on device model, ensuring ≤1% error rate. * Screen lock: Freeze measurements instantly to prevent accidental touches or slips. ► Contact Us * Email: ceo@noadit.com
Screenshots
Verdict
The clearest difference is in-app purchases: Ruler at none against Ruler+ Utility's 1. Ruler also leads on rating (3.5 vs 3.0) and update cadence (every 3 weeks vs every 40 months). Ruler+ Utility's advantage is iOS requirement (13.0 vs 17.0). On price, review sentiment, ads and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Ruler+ Utility sells 1 one-off in-app purchase. Ruler asks for nothing beyond the download.
Ruler holds the better App Store score, 3.5 against 3.0. That said, the two scores are not equally well evidenced: Ruler has 79 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 47% of Ruler+ Utility's written reviews are positive against 40% of Ruler's, so the app with the better star average is not the one people write more warmly about.
Ruler+ Utility ships an update every 40 months, Ruler every 3 weeks. Both last shipped on November 1, 2026.
| Parameter | Ruler+ Utility | Ruler |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) | 3.5 (79 ratings) — better |
| Positive reviews | 46.7% of reviews — better | 40.0% of reviews |
| Number of ratings | 2 | 79 — better |
| Update frequency | Every 40 months | Every 3 weeks — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 24 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Kyungjin Lee | Noadit, Inc. |
Customer experience
Ruler+ Utility
Ruler
Bugs and requests
Ruler+ Utility
Not enough reviews yet to summarise bugs or requests.
Ruler
Reported bugs
9 issues- Ads pop up constantly, making app unusable
- Ads overlay the ruler/measurements
- App crashes constantly
- Black screen issue
- Inaccurate measurements (especially inches)
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- Paid no-ad version no longer works
- Calibration issues on specific devices
- Numbers are upside down
- Doesn't work with 10.5" iPad
Requested features
12 requests- Option to remove ads via one-time purchase
- Ability to calibrate the ruler
- Offset crosshairs to see numbers
- Fractional inch (1/8, 1/16) display option
- Option to hide ruler digits
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- Support for larger screen sizes (e.g., 10.5" iPad)
- Ability to scroll and see more than screen size
- Automatic screen size detection
- Landscape orientation support
- Add more measurement tools (plumb bob, seismometer, etc.)
- Option to hide calculator and other unwanted features
- Add click on every 1/10 of an inch in setup
In-app purchases
Ruler+ Utility
- Remove Ads$1.99
Ruler
No in-app purchases
