Unique Days vs PDF OCR
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Unique Days
Easily track and countdown to important dates with a user-friendly interface and customizable widgets. Visualize upcoming events with a calendar view and enjoy local data storage for privacy and offline access.
- Home screen widgets
- Countdown timers
- Event reminders
- Customizable backgrounds
- Calendar view
- Local data storage
- Intuitive interface
Read full descriptionHide full description
[Widget Feature] Use the widget to display important days directly on your iPhone’s home screen, making it easy to view and never forget those key moments. [Countdown Timer] A clean and simple design that makes it easy to record and view important dates, with support for event reminders and customizable background images. [Calendar View] A calendar view that helps you easily visualize upcoming important days, making it effortless to plan for special occasions. [Local Data Storage] All countdown data is stored locally, so you can access and manage your important dates without needing an internet connection. Your data is kept safe, ensuring that your memories are private and known only to you. [Simple & Easy to Use] With an intuitive and user-friendly interface, adding and managing important dates is a breeze. Whether you’re setting countdowns or checking your calendar, everything is quick and easy to do.
PDF OCR
This app offers a comprehensive suite of tools for managing PDF files. It allows you to extract text using OCR, convert PDFs to images, secure documents with passwords, and merge or split files. It also enables creating PDFs from images and converting webpages into PDF format, all while ensuring your data remains private through offline processing.
- Extract text with OCR
- Convert PDF to images
- Secure PDFs with passwords
- Merge or split PDFs
- Create PDFs from images
- Convert webpages to PDF
- Compress file size
Read full descriptionHide full description
PDF OCR turns your iPhone and iPad into a complete PDF workspace: scan paper into searchable PDFs, read and mark up any PDF, and fix files with a full set of tools. Everything runs on your device. SCAN TO PDF • Point the camera at a page; edges are found and the page is straightened for you • Scan many pages in one go, then reorder, rotate or remove them • Text is recognized automatically, so scans are searchable and selectable • Reads QR codes and puts both sides of an ID card on one page READ AND MARK UP • Pen, highlighter, text highlight, underline and strikethrough • Notes, shapes, arrows, stamps and your saved signature • Select anything you added to move or resize it • Reorder, rotate, insert and delete pages • Search, contents and bookmarks, night mode and read aloud ALL YOUR PDF TOOLS • Recognize text (OCR) in scanned PDFs • Make files smaller • Merge PDFs and images, split by pages, ranges or every N pages • Convert PDF to images, text and RTF, and web pages to PDF • Add or remove passwords and permissions PRIVATE BY DESIGN Your documents never leave your device. Scanning, text recognition and summaries run on the device, with no account. PDF OCR PRO Pro adds OCR without page limits, advanced split, redaction that removes content for good, watermarks and page numbers, Face ID lock, smart file names for scans, on-device summaries and translation, and Shortcuts actions. Choose monthly, yearly (with a 7-day free trial) or a one-time lifetime purchase. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period, and can be managed in Settings › Apple Account › Subscriptions. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://layerz.app/pdfocr/privacy
Screenshots
Verdict
The clearest difference is rating: Unique Days at 5.0 against PDF OCR's 4.4. Unique Days also leads on iOS requirement (12.0 vs 17.0). PDF OCR's advantage is in-app purchases (none vs 1) and ratings volume (7 vs 2). On price, update cadence, ads 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. Unique Days sells 1 one-off in-app purchase. PDF OCR asks for nothing beyond the download.
Unique Days holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 2 and 7 respectively.
Unique Days ships an update monthly, PDF OCR every 3 weeks. The most recent releases landed on September 23, 2026 and October 17, 2026 respectively.
| Parameter | Unique Days | PDF OCR |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | 4.4 (7 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 | 7 — better |
| Update frequency | Monthly | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 61 MB | 7 MB |
| Age rating | 4+ | 17+ |
| Developer | 培钦 康 | Layerz Corp. |
Customer experience
Unique Days
PDF OCR
In-app purchases
Unique Days
- 终身会员$0.99
PDF OCR
No in-app purchases







