Comparison

Book Leaf vs Tap Word

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Book Leaf

Features
Read full description

Book Leaf turns paper-book highlights into searchable knowledge. Snap pages, tag notes, and use OCR to extract text so you can find the right line in seconds. Features: Bookshelf: register a book by shooting its cover. Notes & tags: save pages as notes and organize with tags. OCR search: extract text and search across your captured pages. Backup for peace of mind (Premium). Keep the feel of paper while making every quote easy to retrieve and share. Some features require Premium. Review the full Terms of Use at https://bookleaf.mjo.app/terms

About

Tap Word

Features
Read full description

Stop putting down your book every time you see an unfamiliar word. Tap Word is a camera dictionary designed for readers. Simply point your phone at any English text, tap the word you want to look up, and get the definition instantly. No typing. No interruption. Just tap and read on. 【WHAT MAKES Tap Word DIFFERENT】 Unlike translation apps that translate entire pages, Tap Word lets you select exactly the word you need. It's a dictionary experience, not a translator — perfect for readers who want to understand words in context without losing focus. 【KEY FEATURES】 - One-Tap Lookup — Point your camera at any printed text and tap a word to see its definition - One-Handed Operation — Designed so you never have to put your book down - No Typing Required — Forget switching between apps and keyboards - Offline Support — Works without internet connection, perfect for reading anywhere - Clean & Simple — No clutter, no distractions, just you and your book 【PERFECT FOR】 - Reading English books, magazines, or articles in print - Language learners who read physical books - Anyone who wants a faster way to look up words while reading Tap Word keeps your reading flow intact. Point, tap, done. 【Terms of Use (EULA)】 https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Book Leaf4 screens
Tap Word3 screens

Verdict

The call

Book Leaf and Tap Word are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Book Leaf sells 6 in-app purchases, starting at $4.99 per month and Tap Word sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ScorecardNo meaningful differences
Book Leaf versus Tap Word: the parameters behind the verdict, then further details
ParameterBook LeafTap Word
PriceFreeFree
Update frequencyEvery 2 weeks—
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPod — betteriPhone
Requires iOS15.5 — better16.0
Further details — not scored
Size89 MB5 MB
Age rating4+4+
DeveloperAKIFUMI YOSHIMURAIkuhei Kure

In-app purchases

6 purchases

Book Leaf

Subscriptions2
  • Book Leaf Pro (Monthly)7 Days trial$4.991 Month
  • Book Leaf Pro (Annual)7 Days trial$49.991 Year
One-time4
  • OCR Credit 50$2.99
  • OCR Credit 150$5.99
  • OCR Credit 500$17.90
Show 1 more
  • Book Leaf Pro (Lifetime)$54.99
2 purchases

Tap Word

Subscriptions2
  • Monthly$1.991 Month
  • Yearly$8.991 Year

Questions

Is Book Leaf free?
Book Leaf is free to download, with in-app purchases available.
Is Tap Word free?
Tap Word is free to download, with in-app purchases available.
Do Book Leaf or Tap Word have ads?
Neither Book Leaf nor Tap Word shows ads.

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