AR Ruler vs 量尺 Ruler
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AR Ruler
Transform your phone into a versatile measuring tool using augmented reality. Accurately measure length, distance, height, angles, and areas of objects and spaces with just your camera. Save and share your measurements easily.
- Measure length, distance, height, angle, and area
- Augmented reality tape measure and ruler
- Built-in level tool for alignment
- Save and share measurements as photos
- Switch between metric and imperial units
- Protractor for angle measurement
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Measure anything, anywhere — your phone is the only measuring tool you’ll ever need. AR Ruler: Tape Measure App uses AR to turn your camera into a digital tape measure, ruler, level, and protractor. Point, tap, and measure things with your phone in seconds. No physical tape required. MEASURE ANYTHING - Length — Tap to drop points and measure length across every connected segment. - Distance — Mark a far-off point from where you stand and measure distance with camera instantly. - Height — Tap once and a vertical line snaps up or down; tap again to measure height. - Angle — Drop points to form segments and read the exact angle between them. - Area — Trace connected segments and measure area enclosed. Great for a quick measure of furniture, a room measure before you move, or a floor plan for your next project. SNAP, SAVE & SHARE Capture any measurement as a photo and share it in one tap — length, distance, height, angle, or area. MORE TOOLS INSIDE - Ruler — An easy measure for small objects’ length, width, and height on screen. - Level — Check any horizontal or vertical surface for perfect alignment. - Units — Switch instantly between cm, m, feet, and inches. Point. Tap. Measure. Download AR Ruler: Tape Measure App and never hunt for a tape measure again. To use AR Ruler, you need to purchase AR Ruler, which is offered on a subscription basis. Payment will be charged to your iTunes Account at confirmation of purchase and will automatically renew at the same price unless auto-renew is turned off in your iTunes Account Settings at least 24 hours before the end of the current period. You can manage your subscription in your iTunes Account Settings. Any unused portion of a free trial period, if offered, will be forfeited when you purchase a subscription. Terms of Use: https://ar-ruler-8hp.pages.dev/ar_ruler_tape_measure_terms_en-US.html Privacy Policy: https://ar-ruler-8hp.pages.dev/ar_ruler_tape_measure_privacy_en-US.html
量尺 Ruler
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Turn your phone screen into a real ruler — open it and start measuring. • No calibration: your device model is matched automatically • Four units side by side: cm, mm, inch, and cun • Input positioning: type a length and the ruler jumps to it • Draw to measure: draw any line and read its length instantly • Mini games: match-the-length and guess-the-length, solo or with friends • Two themes: hand-drawn and geek Fully offline. No ads. No data collected.
Screenshots
Verdict
The clearest difference is in-app purchases: 量尺 Ruler at none against AR Ruler's 3. 量尺 Ruler also leads on update cadence (every 6 days vs fortnightly). 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. AR Ruler sells 3 in-app purchases, starting at $9.99 per 7 days. 量尺 Ruler asks for nothing beyond the download.
AR Ruler ships an update fortnightly, 量尺 Ruler every 6 days. Both last shipped on October 24, 2026.
| Parameter | AR Ruler | 量尺 Ruler |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| Update frequency | Fortnightly | Every 6 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Subscription | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 54 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Beijing iDOTOOLS Technology Co., Ltd | 禹焓 颜 |
In-app purchases
AR Ruler
- Weekly3 Days trial$9.997 Days
- Yearly$39.991 Year
- Lifetime$68.00
量尺 Ruler
No in-app purchases









