ARuler Pro 2026 vs CanvasPrism
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ARuler Pro 2026
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ARuler Pro is a field-grade AR measurement tool built on AR technology, designed for designers, contractors, on-site surveyors and anyone who needs precise everyday measurements. Technical Specs • Engine: AR rendering + 3D visualization + simd vector math • LiDAR devices (iPhone 12 Pro / 13 Pro / 14 Pro / 15 Pro / 16 Pro and Pro Max): sub-centimeter depth sampling • Non-LiDAR devices: AR plane detection and feature-point solving • Units: m / cm / mm / inch / ft, bidirectional metric/imperial conversion • Local storage via SwiftData, fully offline, no account required Measurement Capabilities • Single-segment distance: straight-line length between two points • Multi-segment paths: continuous multi-point measurement with cumulative length • Height measurement: vertical distance from ground to selected point • Area estimation: closed polygon vertex paths auto-computed • Level calibration: gyroscope-assisted reference plane locking • Haptic feedback: confirms endpoint placement Who It's For • Interior design and renovation contractors • Real-estate field surveying • Logistics package dimensioning • Geometry teaching and STEM learning • Outdoor distance and object-height estimation Privacy & Compliance • Zero user data collection • No network access requested • Camera permission used only for AR rendering • ITSAppUsesNonExemptEncryption = false Requirements • iOS 17.0 or later, iPhone only • AR-capable device required • LiDAR recommended for best precision
CanvasPrism
A private, offline whiteboard app for drawing, sketching, and creating diagrams. It offers an infinite canvas, shape libraries, and Apple Pencil support, with options for iCloud sync. Your creations are stored securely on your device.
- Infinite canvas for freehand sketching
- Smart shape connectors for diagrams
- Component libraries and templates
- Apple Pencil support with gestures
- Customizable themes and backgrounds
- Export to PNG, PDF, SVG
- Optional iCloud sync
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CanvasPrism is a fully offline, private whiteboard for iPhone and iPad. Everything you create is stored right on your device. There's no account, no sign-up, and no internet connection required to draw, sketch, or edit. Your ideas stay yours. Open a blank board and start working in seconds. • Infinite canvas for freehand sketching with shapes, arrows, lines, and text • Build flowcharts, mind maps, and wireframes using smart shape connectors • Ready-made component libraries and templates to start fast • Apple Pencil support on iPad with native double-tap and squeeze gestures for a natural, hand-drawn feel • Customize with 100+ bundled fonts, color themes, and background styles • Set dark or light appearance per board for full control over every canvas • Export to PNG, PDF, or SVG with an optional transparent background • Open and import .excalidraw and .excalidrawlib files • Share your work straight to Photos or Files Want your boards on every device? Turn on optional iCloud sync to keep your iPhone and iPad in step. Sync is conflict-safe: if a board is edited in two places at once, CanvasPrism keeps an automatic copy so nothing is ever lost. Leave it off and CanvasPrism stays completely offline and on-device. CanvasPrism is built on the open-source Excalidraw engine, running natively in the app for a fast, responsive drawing experience. CanvasPrism is is completely free with no ads, no tracking and no account. Just a clean, capable whiteboard that's ready whenever inspiration strikes. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is device support: CanvasPrism at 2 against ARuler Pro 2026's —. ARuler Pro 2026's advantage is iOS requirement (17.0 vs 26.2). On price 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.
| Parameter | ARuler Pro 2026 | CanvasPrism |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (6 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 6 — better |
| Update frequency | — | Daily |
| Ads | — | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | — | iPhone, iPad — better |
| Requires iOS | 17.0 — better | 26.2 |
| Further details — not scored | ||
| Size | 1 MB | 195 MB |
| Age rating | 4+ | 4+ |
| Developer | 应龙 张 | Life Utility Apps, LLC |
In-app purchases
ARuler Pro 2026
No in-app purchases
CanvasPrism
No in-app purchases









