Epic Ruler vs cm Ruler, device size measure
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Epic Ruler
Transform your smartphone into a portable measuring tool. Accurately measure lengths in both inches and centimeters directly from your device.
- Converts phone to ruler
- Measures in inches
- Measures in centimeters
- Pocket-sized utility
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This app turns your phone into a portable pocket ruler, with support for both inches and centimeters.
cm Ruler, device size measure
Transform your device into a versatile ruler for precise measurements. It displays width, height, and tapped positions, allowing you to record and share dimensions. Customize the ruler's appearance with different colors.
- Ruler UI for width and height
- Measure tapped position size
- Record and share measurements
- Customizable ruler color
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This App makes your device as a ruler. - Ruler UI. width, height. - Show Tapped Position Size.(width, height) - Ability to measure and record sizes. - Feature to share the list of recorded sizes - Change Ruler Color.
Screenshots
Verdict
The clearest difference is update cadence: cm Ruler, device size measure at every 5 days against Epic Ruler's every 17 months. cm Ruler, device size measure also leads on iOS requirement (17.0 vs 26.0). Epic Ruler's advantage is monetization model (free vs ad-supported) and ratings volume (4 vs 1). On price, rating, 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.
On the App Store both sit at effectively the same score — 1.0 for Epic Ruler against 1.0 for cm Ruler, device size measure. Both are backed by a comparable volume of ratings — 4 and 1 respectively.
Epic Ruler ships an update every 17 months, cm Ruler, device size measure every 5 days. The most recent releases landed on October 2, 2026 and October 14, 2026 respectively.
| Parameter | Epic Ruler | cm Ruler, device size measure |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (4 ratings) | 1.0 (1 ratings) |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 4 — better | 1 |
| Update frequency | Every 17 months | Every 5 days — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 26.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 11 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Chih-Hao Chen | Taisuke Hosokawa |
Customer experience
Epic Ruler
cm Ruler, device size measure
In-app purchases
Epic Ruler
No in-app purchases
cm Ruler, device size measure
No in-app purchases
Questions
Is Epic Ruler free?
Is cm Ruler, device size measure free?
Which has better reviews, Epic Ruler or cm Ruler, device size measure?
Do Epic Ruler or cm Ruler, device size measure have ads?
Which is updated more often, Epic Ruler or cm Ruler, device size measure?
Other comparisons
