Epic Ruler vs Ruler 2.0
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.
Ruler 2.0
This app provides a precise on-screen measuring tool for your iPhone or iPad. Easily measure length and width in centimeters, millimeters, or inches, with options to save measurements as photos and customize the ruler's appearance. It's designed for accurate, user-friendly measurements.
- On-screen ruler
- Measure length and width
- Centimeters, millimeters, inches
- Save measurements as photos
- 3 ruler color options
- Manual measurement adjustment
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Ruler 2.0 - ruler app for high measurement accuracy on the iPhone and iPad. Accurate, exact, precise, precision, correct, true, easy to use and free - these are the words that can describe this ruler app the best way. - Save the measurement as a photo - 3 colors of the ruler for your comfort - Centimeters, millimeters or inches - Measure the length only or width and length at the same time Tap on the measurement result to change it manually. Pan with two fingers anywhere on the screen for even higher accuracy. Measure every length and width with precision on-screen Ruler 2.0. Choose your preferred units of measurement - inches (inch), centimeters (cm) or millimeters (mm). Metric and Imperial systems are supported. Use on-screen ruler as you wish. Tap "Save" button to save the result to the Camera Roll of your device.
Screenshots
Verdict
The clearest difference is rating: Ruler 2.0 at 3.9 against Epic Ruler's 1.0. Ruler 2.0 also leads on ads (none vs shown) and review sentiment (30% vs 0%). On price, in-app purchases and monetization model 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.
Ruler 2.0 holds the better App Store score, 3.9 against 1.0. That said, the two scores are not equally well evidenced: Ruler 2.0 has 205 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 0% of Epic Ruler's written reviews are positive against 30% of Ruler 2.0's.
Epic Ruler ships an update every 17 months, Ruler 2.0 every 5 months. The most recent releases landed on October 2, 2026 and October 24, 2026 respectively.
| Parameter | Epic Ruler | Ruler 2.0 |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (4 ratings) | 3.9 (205 ratings) — better |
| Positive reviews | 0.0% of reviews | 29.6% of reviews — better |
| Number of ratings | 4 | 205 — better |
| Update frequency | Every 17 months | Every 5 months — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 26.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 11 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | Chih-Hao Chen | Oleg Osipov |
Customer experience
Epic Ruler
Ruler 2.0
Bugs and requests
Epic Ruler
Not enough reviews yet to summarise bugs or requests.
Ruler 2.0
Reported bugs
8 issues- Crashes after a few seconds
- Keeps crashing
- Wrong scale/dimension measurement on newer iPhones (13, 14, 15 series, SE 2022)
- Inches are too small (e.g., 1cm shows as smaller than 4mm)
- Measurements are off by about half
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- Screen scale wrong (1cm showing smaller than 4mm)
- Grid is shrunk on newer iPhones
- App frequently corrects '20' to '2.0'
Requested features
7 requests- Update for newer iPhone displays (high DPI)
- Manual adjustment for screen size/resolution
- Add option to manually enter dimensions
- Add inch fractions as measurement option
- Allow adjustable text font size when saving
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- Implement lighter background option (plain white)
- Make the measuring line not reset based on finger position
In-app purchases
Epic Ruler
No in-app purchases
Ruler 2.0
No in-app purchases
