HLL Pdf Reader vs Memo Search
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HLL Pdf Reader
This app offers a streamlined PDF reading experience with an iBooks-inspired interface. It provides features like recent reading history, page cropping for larger content views, and an outline for easy navigation. Zooming is simplified with double-tap gestures.
- iBooks-like design
- Reading history
- Page cropping
- Document outline
- Double-tap zoom
- Automatic fit on rotation
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Universal app - Support for iPhone / iPad iBooks-like design - Support your reading experience with simple User Interface. Recently read books - Show your reading histories. Therefore you can find books that you read recently. Cropping - Crop page merging to show contents bigger automatically. Outline - Show current document structure so that you can see your position and move around easily. No more pinch in/out. - Zoom in/out with double tap. - Fit document to device size automatically when rotating.
Memo Search
Quickly locate any word within large files using a powerful search function. Customize your typing experience with dual keyboards, multiple fonts, and adjustable font sizes. Manage your files with comprehensive tools like saving, opening, and deleting.
- Instant text search in files
- Dual keyboards for local languages
- 9 font options with unlimited size
- Full file management (new, save, open, delete)
- Word count functionality
- Support for 50,000+ Unicode symbols
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HOW TO LOCATE THE WORD YOU WANT TO FIND ? WELL, JUST ENTER IT AND GO ! EASY ! NO MATTER HOW BIG THE FILE IS , NO MATTER HOW MANY WORDS, IT WILL FIND IT ! • IT FEATURES TWO KEYBOARDS ! - Upper one for letters and punctuation. - Bottom one for your local language. • SWIPE THE UPPER KEYBOARD TO CHANGE ! • IT FEATURES 9 FONTS! - Arial - Times - Courier - Menlo - Apple - Zapfino - Noteworthy - Trebuchet - Typewriter • FONT SIZE HAS NO LIMIT. • IT SUPPORTS A WHOLE FILE MANAGEMENT ! - NEW - SAVE - OPEN - DELETE - TOTAL (lists all existing files) • WORD COUNT • 50,000+ UNICODE SYMBOLS If you need a specific uncommon symbol, find the symbol you want, copy and paste onto your notes field. • RULES FOR NAMING A FILE TO SAVE: - Characters: A to Z, a to z, 0 to 9 - Punctuation: _$#@&*()[]~+=?!.- • SOME TIPS: - Undo & Redo typing on iPhone with a shake. - Tap the empty space on the menu bar to go top.
Screenshots
Verdict
The clearest difference is price: HLL Pdf Reader at Free against Memo Search's $1.99. HLL Pdf Reader also leads on rating (5.0 vs 4.5) and update cadence (every 9 months vs every 23 months). On ratings volume, ads, in-app purchases 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
HLL Pdf Reader is free to download; Memo Search costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
HLL Pdf Reader holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 1 and 2 respectively.
HLL Pdf Reader ships an update every 9 months, Memo Search every 23 months. The most recent releases landed on October 2, 2026 and October 13, 2026 respectively.
| Parameter | HLL Pdf Reader | Memo Search |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 5.0 (1 ratings) — better | 4.5 (2 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 9 months — better | Every 23 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 15 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | hades lade lam | 俊 姜 |
Customer experience
HLL Pdf Reader
Memo Search
In-app purchases
HLL Pdf Reader
No in-app purchases
Memo Search
No in-app purchases
