Quick Measure vs Calcula Keyboard
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Quick Measure
This utility app provides a digital and augmented reality ruler for precise measurements. It includes features like unit conversion, a built-in level, and the ability to record and store measurement data.
- Digital ruler for precise length measurements
- AR ruler for measuring distances in real-world environments
- Measurement recording and storage
- Built-in level function
- Unit conversion between metric and imperial systems
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Welcome to Ruler Pro — Your All-in-One Smart Measurement Expert In this era of precision and efficiency, Ruler Pro offers you an ultimate solution with a suite of measurement tools. Whether you're a professional craftsman, a home decorator, or a tech enthusiast, Ruler Pro has got you covered for all your measurement needs, making every measurement simple and accurate. Key Features of Ruler Pro Include: Digital Ruler: Quickly and accurately measure lengths with just a tap on the screen to get precise readings. AR Ruler: Utilize augmented reality technology to place a virtual ruler in the real world, allowing you to measure hard-to-reach distances without a physical ruler. Measurement Records: Record and store your measurement data for easy access and sharing whenever needed. Level: The built-in level function ensures your projects remain perfectly horizontal, avoiding errors. Unit Conversion: Supports conversions between various units, making it easy to switch between metric and imperial systems. Why Choose Ruler Pro? User-Friendly: Intuitive interface design makes operations simple and straightforward, allowing even measurement novices to get started quickly. Multifunctionality: A one-stop solution that eliminates the need to download multiple apps, saving space and time on your device. High-Precision Measurements: Advanced algorithms and technologies ensure the accuracy of every measurement. Measure Anytime, Anywhere: No matter where you are, as long as you have your phone, you can make precise measurements. Augmented Reality Technology: With the AR ruler feature, you can visually measure spaces in any scenario. Ruler Pro - Making your life and work more convenient. Download now and experience the simplicity of measurement!
Calcula Keyboard
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Calcula is a lightweight scientific math keyboard for iPhone. After you add the keyboard, you can type expressions in chats, notes, browser search bars, or any system text field, and insert the result at the current cursor position. Version 1.0 focuses on the core workflow: a basic keyboard, an f(x) scientific panel, DEG / RAD trigonometric input, in-keyboard history, and a companion app for setup guidance, basic settings, and About. It does not include accounts, cloud sync, or online computation. Settings stay on the device.
Screenshots
Verdict
The clearest difference is iOS requirement: Quick Measure at 13.0 against Calcula Keyboard's 18.0. On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 18, 2026 and October 8, 2026 respectively.
| Parameter | Quick Measure | Calcula Keyboard |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 7 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | 大靖 刘 | 锦珍 黄 |
In-app purchases
Quick Measure
No in-app purchases
Calcula Keyboard
No in-app purchases
Questions
Is Quick Measure free?
Is Calcula Keyboard free?
Do Quick Measure or Calcula Keyboard have ads?
Which is updated more often, Quick Measure or Calcula Keyboard?
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