Character Memo vs Rera
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Character Memo
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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.
Rera
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Rera is a personal bookshelf app for binding your own traces to the books you read. "Rera" means "wind" in the Ainu language. It is not an app for producing a tidy reading log. The sentence you underlined, the page you couldn't help photographing, the note you scribbled - it is a tool for keeping who you were at the time inside a single book. Finished books line up on a shelf you can flip back through any time. KEY FEATURES [Wood-grain bookshelf] Switch between a shelf view that lines books up by cover and a list view. Reorder and delete freely. [Three ways to add a book] Type a title, photograph a cover or barcode with the camera, or scan a barcode to auto-fill. Put books on the shelf however you like. [Barcode auto-fill] Scan the barcode on the back of a book and the title, author, and cover are pulled in from a bibliographic database. No typing - straight to the shelf. [Bind your traces] Attach any number of photos, screenshots, and notes to each book. The page that caught your eye, the line you want to quote, what you were thinking at the time - kept as if pasted into the book. [Highlights and bold] Mark words inside a note with a highlighter or bold to emphasize the lines that stayed with you. [Reading-pass tabs] Add a tab each time you reread: "1st," "2nd," and so on. The same book, a different you each time - keep that change too. [Back-tap quick note] Tap the back of your device to jot a note instantly. Even without a book open, you won't miss the moment of inspiration. Attach it to a book later from the inbox. [Reading dashboard] A dashboard for browsing the number of books and statistics on the traces you've bound. [Export as PDF and ZIP] Compile your shelf into a single PDF - vertical for poetry and Japanese books, horizontal for technical or photo-heavy ones, with a washi-paper feel. Or back everything up as a ZIP of books, photos, and notes. [Three languages + washi tones] Japanese / English / Simplified Chinese. A calm, paper-textured light theme throughout. WHO IT IS FOR - Anyone who underlines books or keeps pages as photos - Anyone who would rather keep raw impressions and scribbles than tidy summaries - Anyone who rereads the same book (keep how you change each time) - Anyone who wants a paper reading notebook in digital form too - Anyone who likes to look at a shelf and reflect on the reader they used to be PRIVACY No account required. Books, photos, and notes are all stored on your device and are never sent to the developer or any third party. The only communication is sending an ISBN code to auto-fill bibliographic data when you scan a barcode - no personal information is ever sent.
Screenshots
Verdict
The clearest difference is ads: Rera at none against Character Memo's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Character Memo | Rera |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 days | β |
| Ads | Yes | No β better |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad β better |
| Requires iOS | 18.2 | 18.0 β better |
| Further details β not scored | ||
| Size | 10 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Takatoshi Suzuki | Daisaku Seto |
In-app purchases
Character Memo
No in-app purchases
Rera
No in-app purchases









