Screen Ruler vs CA PATHS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Screen Ruler
Turn your iPhone or iPad into a precise measuring tool. Easily measure lengths in centimeters or inches with features like magnifier mode and haptic feedback. Ideal for daily tasks, office use, DIY projects, and on-the-go measurements.
- Dual units (cm/inches)
- Precision calibration
- Magnifier mode
- Haptic feedback
- Clean interface
- Save and label measurements
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Turn your iPhone or iPad into a calibratable digital ruler for measuring small objects directly on the screen. Screen Ruler supports centimeters and inches, magnifier-assisted alignment, and haptic feedback. Measure Small Objects on Your Screen Use Screen Ruler for stationery, frames, craft materials, and other small objects that fit along your device screen. Place the object directly on the screen, move the measurement marks to its edges, and read the length. Core Features • Calibratable ruler: Match the scale to an object of known length and save calibration for your device. • CM and inch scales: Switch between centimeters and inches for everyday measurements. • Magnifier assist: Align measurement marks with object edges more confidently. • Haptic feedback: Feel subtle feedback while adjusting the marks. How to Get More Reliable Results For best results, place the object directly on the screen and check the scale against a known length. Calibrate the ruler if you notice an offset. Accuracy and Limitations Screen Ruler is designed for short, everyday measurements. Accuracy depends on device calibration, screen placement, and how precisely the marks are aligned. It does not use the camera or AR and is not intended for measuring rooms or large objects. Feedback: ankek1er@gmail.com
CA PATHS
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Contactless Access Development Test Application for the Bluetooth control of compatible elevators and power doors.
Screenshots
Verdict
The clearest difference is in-app purchases: CA PATHS at none against Screen Ruler's 2. CA PATHS also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 3 months). On price, device support and iOS requirement 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. Screen Ruler sells 2 one-off in-app purchases. CA PATHS asks for nothing beyond the download.
Screen Ruler ships an update every 3 months, CA PATHS every 3 weeks. The most recent releases landed on October 17, 2026 and October 5, 2026 respectively.
| Parameter | Screen Ruler | CA PATHS |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (24 ratings) — better | — |
| Positive reviews | 54.8% of reviews | — |
| Number of ratings | 24 — better | — |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 18 MB | 1 MB |
| Age rating | +4 | 4+ |
| Developer | 向阳 杨 | Ke Wang |
In-app purchases
Screen Ruler
- Ads-free experience$1.99
- Support for a cup of coffee$2.99
CA PATHS
No in-app purchases









