Ruler vs PicPdf2epub
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ruler
Measure objects and distances with an on-screen ruler and augmented reality. Supports inches and centimeters, with features for linear sizes, angles, area, volume, and more. Save your measurements for later use.
- On-screen ruler for small objects
- Augmented Reality (AR) measuring
- Measure linear sizes in cm/inches
- Calculate angles, area, and volume
- Save measurements
- Generate plan projections
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Measure everything with a beautiful on-screen ruler. Choose between inches and centimeters. Tap the screen to start using the best multi-touch measuring system and find the size of all curious objects around you. Also with your camera measure everything accurate by using Augmented Reality (AR) feature. 1) Allows to tape measure linear sizes in cm, inches 2) With Bubble meter allows you to level objects horizontal 3) Save measurments 4) Allows to tape measure distance from device camera to a fixed point on the detected 3D plane. 5) Angle – allows to tape measure corners on 3D planes. 6) Area and Perimeter – allows to tape measure perimeter and area of the room. 7) Volume – allows to tape measure size of 3D objects. 8) Path – allows to calculate the length and area of the path. 9) Height – allows to tape measure height relative to the recognized surface. 10) Plan – generates plan projection for drawn objects and exports it . 11) On-screen Ruler app – measure small objects directly on the smartphone’s screen.
PicPdf2epub
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PicPdf2epub converts image folders or PDFs into EPUB 3 fixed-layout ebooks—great for comics, scanned books, photo albums, and image-based PDFs. Export and open in Kobo, Apple Books, and more. FEATURES • Image folders: JPG, PNG, HEIC, WEBP • Single PDF or multiple PDFs in a folder • Natural filename sorting (page2 before page10) • Crop with colored guide lines on the first page, apply to all pages • EPUB 3 fixed layout • iPhone and iPad • App UI in 8 languages (follows system language) HOW TO USE 1. Pick an image folder or PDF 2. Adjust crop and apply to all pages 3. Enter title and author, generate EPUB 4. Save or share to your reader app FREE & PRO • Free: up to 10 pages per export • Pro yearly subscription: unlimited pages • Pricing shown by the App Store at purchase • Manage or cancel in Apple ID Subscriptions NOTES • File access only for folders/PDFs you choose • Text PDFs are rendered as page images • All processing happens on your device—no upload to our servers Terms of Use: https://henryhan168.github.io/pic2epub-pages/terms-of-use.html Privacy Policy: https://henryhan168.github.io/pic2epub-pages/privacy-policy.html
Screenshots
Verdict
The clearest difference is in-app purchases: Ruler at none against PicPdf2epub's 1. Ruler also leads on iOS requirement (13.0 vs 16.0). PicPdf2epub's advantage is ads (none vs shown). On price and device support 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. PicPdf2epub sells 1 in-app purchase, starting at $2.99 per year. Ruler asks for nothing beyond the download.
| Parameter | Ruler | PicPdf2epub |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (405 ratings) — better | — |
| Positive reviews | 14.3% of reviews | — |
| Number of ratings | 405 — better | — |
| Update frequency | Every 14 months | — |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 6 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Matrix Software Co. | Shun Kuo Han |
Bugs and requests
Ruler
Reported bugs
8 issues- App crashes on iPhone 17 and iPad
- App crashes within 1 minute
- AR mode not functional
- Cannot switch to cm
- Measurements are out of scale
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- Centimeter measurement is wrong
- Ruler markings are wrong (10ths instead of 16ths)
- iPhone 14 Pro Max measured as over 9 inches
Requested features
7 requests- Fix crashing issues
- Enable switching to metric (cm)
- Improve AR mode usability
- Add save and print functionality
- Provide usage instructions
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- Ensure accurate scaling for all devices
- Fix ruler marking divisions
PicPdf2epub
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Ruler
No in-app purchases
PicPdf2epub
- Pic2epub Pro 年訂閱$2.991 Year
