Ruler® vs Clinical Protocols
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/
Clinical Protocols
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The Clinical Protocols App is designed to support Michigan Medicine staff, faculty and medical staff, residents and fellows, medical, nursing, and associated health students. It contains helpful clinical resources to support care at the bedside. All eligible individuals are invited to download it, become familiar with it, and use as needed. We hope you find it helpful, and welcome your suggestions for improvement and for additional tools to be added in the future.
Screenshots
Verdict
The clearest difference is in-app purchases: Clinical Protocols at none against Ruler®'s 2. Ruler®'s advantage is update cadence (every 2 months vs every 18 months). On price, ads, 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. Ruler® sells 2 in-app purchases, starting at $1.99 per 7 days. Clinical Protocols asks for nothing beyond the download.
Ruler® ships an update every 2 months, Clinical Protocols every 18 months. The most recent releases landed on November 9, 2026 and October 30, 2026 respectively.
| Parameter | Ruler® | Clinical Protocols |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (35K ratings) — better | — |
| Positive reviews | 21.8% of reviews | — |
| Number of ratings | 35K — better | — |
| Update frequency | Every 2 months — better | Every 18 months |
| Ads | No | No |
| 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 | 22 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | Tue Nguyen Minh | Tactuum, LLC |
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
Clinical Protocols
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
Clinical Protocols
No in-app purchases
Questions
Is Ruler® free?
Is Clinical Protocols free?
Do Ruler® or Clinical Protocols have ads?
Which is updated more often, Ruler® or Clinical Protocols?
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