Comparison

Flumen vs TomoTomo

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

Head to head
About

Flumen

Features
Read full description

Read your EPUB books on iPhone, iPad, and Mac with Flumen. Import your own files, browse classics, and keep your books together in one library. Organize your books Create collections, sort by title, author, or progress, and filter books by what you've started or finished. Bookmark the book you're reading to keep it at the top of Library and ready to open from Home. Return to your reading Home shows your current book, saved chapter, and reading progress, with a Continue Reading button to take you back. See how many minutes you've read today and return to other books you've started. Set up the page to suit you Choose a reading theme, font, and text size. Use Paper or Sepia for a warmer page, or switch to a dark theme. Flumen remembers your reading preferences for each book. Find something to read Browse genres and authors, search Project Gutenberg and Standard Ebooks, and download public-domain books straight to your library. Open a book's details to learn more before adding it. Flumen Pro The free version holds up to 15 books and includes EPUB import, Discovery, collections, reader customization, and today's reading time. Flumen Pro is a one-time purchase that adds: • Unlimited books in your library. • Reading goals, streaks, weekly charts, and monthly summaries, including a comparison with the same point last month. • iCloud sync for your books, reading progress, collections, bookmarked book, and reader settings across your Apple devices. To sync, sign in to the same Apple Account with iCloud enabled on each device. Privacy Your library and reading history are stored on your device, with optional iCloud sync through Flumen Pro. Flumen has no ads or third-party analytics tracking.

About

TomoTomo

Seamlessly switch between reading ebooks and listening to audiobooks. Your progress is automatically synced across both formats, ensuring you never lose your place. Enjoy a clean, distraction-free experience with support for standard epub and audiobook files.

Highlights
  • Sync position between epub and audiobook
  • Switch between reading and listening
  • Automatic position carry-over
  • Distraction-free reading
  • Supports standard epub and audiobook formats
Features
Read full description

Read the book or listen to it. Switch from where you left off. Ask the AI questions about what you're reading. Have it generate images. This isn't a store and it isn't a subscription. If you already own the ebook and the audiobook, however you got them, TomoTomo just works with the files you have. No new library to buy into, no locking your books behind another app's account, no paying Amazon a second time for something you already paid for once. What it does: Reads your own EPUB and PDF files, full screen, nothing in your way Plays your own M4B and MP3 folder audiobooks, with real lock screen controls Pairs books to their audiobooks automatically, or manually if it guesses wrong Highlights the narrated sentence as you read, with word highlighting and a reading window if you want them Finds a passage in the text and jumps your spot to it Lets you highlight and keep notes as you read Asks an AI companion about your book, with spoiler-aware catch-ups Generates illustrations from passages, and custom covers Adjustable font, spacing, and five themes, including true black Playback speed and a sleep timer, because obviously Browses free public-domain books and audiobooks Keeps your files on your device. Reading, listening, page scanning and audio alignment all work without a connection Syncs your position, highlights and stats across your devices using an anonymous account. No email needed unless you choose to sign in No ads, no analytics, no tracking There's also an optional AI companion. Ask questions about the book you're reading, get caught up on the chapters so far, or talk through what just happened. You choose how much of the book it can see: just nearby text, everything up to where you are, or the whole book. Imagine turns a passage you're reading into an illustration, and you can generate a custom cover for any book or audiobook. Nothing is sent until you use one of these, and the app shows you what it will send first. Generated images stay on your device. That's it. No gamification, no login wall, no upsell before you've even started reading, no renting access to books you've already bought. Just your books, staying in sync.

Screenshots

Flumen4 screens
TomoTomo4 screens

Verdict

The call

Flumen and TomoTomo are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases 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. Flumen sells 1 one-off in-app purchase and TomoTomo sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Flumen ships an update every 9 days, TomoTomo every 6 days. The most recent releases landed on October 28, 2026 and November 5, 2026 respectively.

ScorecardNo meaningful differences
Flumen versus TomoTomo: the parameters behind the verdict, then further details
ParameterFlumenTomoTomo
PriceFreeFree
Rating—5.0 (10 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—10 — better
Update frequencyEvery 9 daysEvery 6 days — better
AdsNoNo
In-app purchasesYesYes
Monetization—Free
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.017.0
Further details — not scored
Size16 MB89 MB
Age rating12+4+
DeveloperMathias Jaeger-PedersenTyler Mulvey

In-app purchases

1 purchases

Flumen

One-time1
  • Flumen Pro$6.99
5 purchases

TomoTomo

One-time5
  • imagine — 15 images$2.99
  • companion — 50 messages$4.99
  • pdf audio — 10,000 characters$4.99
Show 2 more
  • pdf audio — 25,000 characters$11.99
  • pdf audio — 50,000 characters$23.00

Questions

Is Flumen free?
Flumen is free to download, with in-app purchases available.
Is TomoTomo free?
TomoTomo is free to download, with in-app purchases available.
Do Flumen or TomoTomo have ads?
Neither Flumen nor TomoTomo shows ads.
Which is updated more often, Flumen or TomoTomo?
Flumen ships an update every 9 days, and TomoTomo every 6 days. Most recently, Flumen was updated on October 28, 2026 and TomoTomo on November 5, 2026.

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