Comparison

Lomo vs Cat On Book

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

Head to head
About

Lomo

Track your reading with a private, offline journal. Log books, record reading sessions, and analyze your habits with detailed statistics. Set goals, save reviews, and share your reading journey.

Highlights
  • Add books with detailed information
  • Scan ISBN to auto-fill book details
  • Import libraries from Goodreads/StoryGraph
  • Reading session timer and history
  • Detailed reading statistics and recaps
  • Save reviews, quotes, and ratings
  • Set reading goals and reminders
  • Create shareable reading images
Features
Read full description

Lomo is your reading diary: a simple, beautiful app to track everything you read, with statistics, reviews, and goals. Best of all, it's 100% private. No accounts, no ads, and nothing sent anywhere. Everything lives on your phone. YOUR LIBRARY - Add books with cover, author, genre, year, country, page count, and more - Scan the barcode (ISBN) and Lomo fills in the details and cover for you - Import your whole library from Goodreads or StoryGraph, and Lomo looks up missing covers and details by ISBN READING SESSIONS - A timer with pause that keeps going even if you close the app - Or log sessions by hand whenever you want - A full history of everything you've read STATISTICS - Total time, pages per hour, and your reading speed - Activity calendar, streak, and an estimate of when you'll finish - Your yearly and monthly Reader Recap REVIEWS, QUOTES, AND IMPRESSIONS - Save your reviews and favorite quotes - Rate with stars, including half stars, and build your personal book ranking - Jot down what you think at any point in a book and share your impressions as an image GOALS AND REMINDERS - Set a finish date for a book and Lomo tells you how many pages to read per day or week, with a progress ring - Yearly book goal and daily page or minute goal - Reminders so you don't break your reading streak SHARE WHAT YOU READ - Turn quotes, reviews, covers, and your recap into beautiful images for social media WISHLIST - Note the books you want to read and order them your way REAL PRIVACY - 100% local: your data lives only on your phone - No account, no login, no ads - Works offline (it only uses the internet to look up books by ISBN) - Manual backup: export and import everything whenever you want Available in English and Spanish. Lomo is free with no limits. If it helps you, you can support development with an optional tip, but it never unlocks anything, you already have it all. Made with love for people who love to read.

About

Cat On Book

Organize your reading, track your progress, and build a reading habit with a virtual cat companion. Set reading goals, create a cozy atmosphere with ambient sounds, and journal your thoughts. Read solo or with friends.

Highlights
  • Organize book library
  • Timed reading sessions
  • Ambient soundscapes
  • Reading journal
  • Read with friends
  • Yearly reading goals
  • Unlockable cat companions
Features
Read full description

Make time for your next chapter, with a cat by your side. Cat On Book is a cozy book tracker and reading companion that helps you organize your books, focus on your reading, and build a habit at your own pace. Pick a book, start a session, and let your little companion settle in beside you. Read on your own or share a quiet moment with friends, each with your own book. - Organize your library: keep track of what you want to read, what you're reading, and what you've finished. - Make time to read: choose a timed session or read without a time limit. - Create your atmosphere: mix ambient sounds, from rain to cat purring. - Keep a reading journal: save quotes, take notes, and capture your thoughts, with page or chapter references. - Read with friends: add your friends and join each other's open reading sessions. - Build your routine: set a yearly reading goal and choose reminders that fit your day. - Find your favorite companion: earn fish as you read and use them to unlock new cats. Cat On Book Pro adds detailed reading charts, a session timeline, more ambient sounds, exclusive customization, and double fish rewards. Pick up your book. Your cat is waiting. Terms of Use (EULA) : https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Lomo4 screens
Cat On Book4 screens

Verdict

The call

The clearest difference is monetization model: Lomo at free against Cat On Book's freemium. Lomo also leads on device support (3 vs 1). Cat On Book's advantage is update cadence (every 3 days vs weekly). On price, review sentiment, ads and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Lomo sells 3 one-off in-app purchases and Cat On Book sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Lomo ships an update weekly, Cat On Book every 3 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard3 real differences · 7 level
Lomo versus Cat On Book: the parameters behind the verdict, then further details
ParameterLomoCat On Book
PriceFreeFree
Rating5.0 (6 ratings) — better—
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings6 — better—
Update frequencyWeeklyEvery 3 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.1 — better16.4
Further details — not scored
Size54 MB254 MB
Age rating4+4+
DeveloperSEBASTIAN CASTANEDAGramos Imeri

Customer experience

Lomo

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Cat On Book

Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Lomo

One-time3
  • support$1.99
  • big support$4.99
  • super support$9.99
3 purchases

Cat On Book

Subscriptions2
  • Pro Monthly7 Days trial$2.991 Month
  • Pro Annual7 Days trial$17.991 Year
One-time1
  • Lifetime$29.99

Questions

Is Lomo free?
Lomo is free to download, with in-app purchases available.
Is Cat On Book free?
Cat On Book is free to download, with in-app purchases available.
Do Lomo or Cat On Book have ads?
Neither Lomo nor Cat On Book shows ads.
Which is updated more often, Lomo or Cat On Book?
Lomo ships an update weekly, and Cat On Book every 3 days. Most recently, Lomo was updated on October 24, 2026 and Cat On Book on October 25, 2026.

Other comparisons