Comparison

Character Memo vs AI BookSommelier

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

Head to head
About

Character Memo

Features
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This app allows you to easily register characters, their notes, and the pages on which they appear when reading a novel. [ Features ] - In addition to characters, you can also categorize and register various terms. - Text recognition allows you to copy and paste text from images in your camera and photo library. - The registered data can be output to a CSV file. [ Privacy ] - The registered data is stored securely on your device and cannot be accessed from outside. - Passcode lock function available. Your passcode information is securely stored in Keychain, provided by Apple. Please use it as a companion while reading. You can also use it for movies, dramas, comics, etc.

About

AI BookSommelier

Features
Read full description

Let "Book Sommelier" Help You Find Your Next Read! Ever find yourself wondering, "What book should I read next?" That's where "Book Sommelier" comes in! Just like your very own personal sommelier, Book Sommelier is a book selection service that carefully curates the perfect book just for you. By answering a few simple questions, you'll discover books that perfectly match your tastes. And of course, it can also be an opportunity to encounter new genres and interests you might never have picked up before. For those looking to expand their reading horizons, we're here to deliver the ultimate reading experience. Ready to find your special book? The Terms of Use (EULA) https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Character Memo4 screens
AI BookSommelier3 screens

Verdict

The call

The clearest difference is update cadence: Character Memo at every 4 days against AI BookSommelier's every 2 weeks. AI BookSommelier's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 18.2). On price, ads and in-app purchases there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Character Memo ships an update every 4 days, AI BookSommelier every 2 weeks. The most recent releases landed on November 5, 2026 and November 8, 2026 respectively.

Scorecard3 real differences ยท 3 level
Character Memo versus AI BookSommelier: the parameters behind the verdict, then further details
ParameterCharacter MemoAI BookSommelier
PriceFreeFree
Update frequencyEvery 4 days โ€” betterEvery 2 weeks
AdsYesYes
In-app purchasesNoNo
DevicesiPhoneiPhone, iPad, iPod โ€” better
Requires iOS18.215.0 โ€” better
Further details โ€” not scored
Size10 MB92 MB
Age rating4+4+
DeveloperTakatoshi SuzukiSota Kondo

In-app purchases

None

Character Memo

No in-app purchases

None

AI BookSommelier

No in-app purchases

Questions

Is Character Memo free?
Character Memo is free to download, with no in-app purchases.
Is AI BookSommelier free?
AI BookSommelier is free to download, with no in-app purchases.
Do Character Memo or AI BookSommelier have ads?
Both Character Memo and AI BookSommelier show ads.
Which is updated more often, Character Memo or AI BookSommelier?
Character Memo ships an update every 4 days, and AI BookSommelier every 2 weeks. Most recently, Character Memo was updated on November 5, 2026 and AI BookSommelier on November 8, 2026.

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