Ruler® vs Rul3r
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ruler®
This app provides a versatile toolkit for all your measurement needs. It includes a classic ruler, a tape measure, and a camera ruler for precise measurements. Easily switch between units and document your findings by adding measurements directly to photos.
- Classic ruler and tape measure
- Camera ruler mode
- Photo measures mode
- Dual unit support (inches/cm)
- Precision sliders for small objects
- Elegant and user-friendly interface
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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/
Rul3r
This utility app provides a portable ruler for on-the-go measurements. It also includes a suite of additional tools like a protractor, spirit level, and various meters for diverse measurement needs.
- Portable ruler
- Protractor
- Spirit level
- Altimeter
- Decibel meter
- Plumb line
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Did you ever want to measure the length of something but you had no ruler at hand? Rul3r was created exactly for situations like this, so that a portable ruler is always available to you on your phone, whenever you need it. What's more, Rul3r provides a lot more tools: * Protractor * Plumb Line * Spirit Level * Elevation, Air Pressure and Location meter * Decibel Meter * Ordinal Date Converter
Screenshots
Verdict
The clearest difference is ads: Ruler® at none against Rul3r's shown. Ruler® also leads on ratings volume (35K vs 1K). Rul3r's advantage is review sentiment (45% vs 22%) and rating (4.5 vs 4.3). On price, update cadence, in-app purchases 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® sells 2 in-app purchases, starting at $1.99 per 7 days and Rul3r sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Rul3r holds the better App Store score, 4.5 against 4.3. That said, the two scores are not equally well evidenced: Ruler® has 35K ratings behind it against 1K, so its average is the more settled of the two. Written reviews point the same way: 22% of Ruler®'s written reviews are positive against 45% of Rul3r's.
Ruler® ships an update every 6 weeks, Rul3r every 2 months. The most recent releases landed on September 25, 2026 and September 22, 2026 respectively.
| Parameter | Ruler® | Rul3r |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (35K ratings) | 4.5 (1K ratings) — better |
| Positive reviews | 21.9% of reviews | 44.8% of reviews — better |
| Number of ratings | 35K — better | 1K |
| Update frequency | Every 6 weeks — better | Every 2 months |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 25 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Tue Nguyen Minh | YOYASOFT LLC |
Customer experience
Ruler®
Rul3r
Bugs and requests
Ruler®
Reported bugs
2 issues- Inconsistent measurements
- Compatibility issues with newer devices
Requested features
3 requests- Ability to switch between metric and imperial units without paying
- Improved accuracy for larger measurements
- Removal of time limits on free usage
Rul3r
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Ruler®
- Ruler Pro (Weekly)3 Days trial$1.997 Days
- Pro Features$1.99
Rul3r
- Remove Ads$2.99
