Lumi vs KRIZ
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Lumi
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Meet Lumi, a calm and private home for your reading life. Keep track of the books you want to read, follow your current progress, record focused reading sessions, save meaningful quotes, and see how your reading develops over time. No social feed. No public profile. No pressure. Just you, your books, and Lumiβthe friendly reading ghost keeping your place. KEEP YOUR LIBRARY ORGANIZED Add books by searching online, scanning their barcode, or entering them manually. Organize books as: β’ To Read β’ Reading β’ Finished β’ Did Not Finish Track physical books, ebooks, and audiobooks in one personal library. TRACK EVERY READING SESSION Start a reading timer whenever you pick up a book. Lumi records how long you read and lets you update your pages, percentage, or audiobook position when you finish. Pause, resume, or end your session directly from your Lock Screen with Live Activities. YOUR CURRENT BOOK, ALWAYS CLOSE Keep your current read visible with beautiful Home Screen and Lock Screen widgets. Depending on your widget, you can: β’ See your current book and progress β’ Start a reading session β’ Log pages quickly β’ Follow your daily reading goal β’ Display a favorite quote SAVE QUOTES WORTH REMEMBERING Collect quotes and highlights from every book you read. Add the page, chapter, or audiobook timestamp, mark favorites, and revisit them whenever you need a little inspiration. UNDERSTAND YOUR READING See useful insights without turning reading into a competition. Explore: β’ Books finished β’ Pages and minutes read β’ Current and longest streaks β’ Monthly reading activity β’ Favorite genres β’ Reading formats β’ Yearly goal progress FIND YOUR NEXT BOOK Lumi creates simple, explainable recommendations based on the authors and genres you already enjoy. Discover: β’ More from authors you love β’ Books related to your favorite genres β’ Suggestions from your own To Read list β’ Trending books and new releases TRACK REREADS PROPERLY Reading a favorite again? Start a new reading attempt while preserving your original dates, sessions, and statistics. Every read gets its own history. IMPORT YOUR EXISTING LIBRARY Bring your books with you by importing a Goodreads or StoryGraph CSV file. You can also export your entire Lumi library, reading history, and quotes whenever you choose. PRIVATE BY DEFAULT Lumi requires no account. Your library is stored locally on your device. Lumi Pro users can optionally keep their data synchronized privately through iCloud. Your reading activity is never public. START FOR FREE Use Lumi free with up to 10 books, reading sessions, progress tracking, online search, barcode scanning, basic widgets, quotes, recommendations, and reading insights. Lumi Pro unlocks: β’ Unlimited books, quotes, and tags β’ All Home Screen and Lock Screen widgets β’ Interactive progress widgets β’ Live Activities β’ Private iCloud synchronization β’ Full reading insights β’ Complete personalized recommendations β’ Goodreads and StoryGraph imports β’ Additional themes and customization Your books deserve a quiet place of their own. Welcome to Lumi. --- Privacy Policy: https://www.ivantrj.com/app-privacy-policy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
KRIZ
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KRIZ is a reading diary, not another book catalogue. A catalogue answers βwhat have I readβ. A diary answers βwhat happened to me while I was reading itβ. KRIZ is about the second one. Three sections instead of lists Past, present, future. A book lives through them in turn, as it should. A diary you assemble yourself Quotes, thoughts, questions, observations, characters, things to explore after the book. Switch on only the blocks you need β the rest stays out of the way. Nothing is required: marking a book as finished is enough. Search your own words Remember the quote but not the book? A few words will find it. A book is added in a second By title, by author, or by scanning the barcode on the cover. What to read next The randomiser picks from the books you saved, from your shelf, or offers something new β from a selection of two thousand books with covers, descriptions and readersβ ratings. Cards for stories Eight ready-made looks. You tick what to show β cover, quote, rating, dates β and the app composes the card. Month summaries How much you read, what you liked most, which book turned out the longest. A fortune for the day One short line β a reason to open the diary even on a busy day. Import from Goodreads and StoryGraph Ratings, reviews, dates and shelves come across with the books. Free forever The whole diary: any number of books, entries and shelves. Search through your own words, barcode scanner, sync between devices, import, light and dark themes, story cards. What came free stays free. The KRIZ subscription adds Quote scanner: photograph a page, the text is recognised and you can fix it before saving. Voice notes. Photos for a book. Ambient sounds: rain, a library, a cafΓ©. Every card template and extra appearances. The first seven days are free. Your entries are yours The diary lives on your phone and works offline. An account is only for syncing between devices β and it is optional. Backups are saved as an ordinary file. Ukrainian, Russian, English, Greek.
Screenshots
Verdict
The clearest difference is update cadence: Lumi at daily against KRIZ's every 3 weeks. KRIZ's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price, ads and in-app purchases 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. Lumi sells 2 in-app purchases, starting at $5.99 per month and KRIZ sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.
Lumi ships an update daily, KRIZ every 3 weeks. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.
| Parameter | Lumi | KRIZ |
|---|---|---|
| Price | Free | Free |
| Update frequency | Daily β better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone | iPhone, iPad, iPod β better |
| Requires iOS | 17.0 | 15.1 β better |
| Further details β not scored | ||
| Size | 18 MB | 46 MB |
| Age rating | 4+ | 4+ |
| Developer | Ivan Trajanovski | Kateryna Dimitrashko |
In-app purchases
Lumi
- Lumi Pro Monthly$5.991 Month
- Lumi Pro Yearly$29.991 Year
KRIZ
- KRIZ Full7 Days trial$1.991 Month
- KRIZ Full7 Days trial$17.991 Year









