Comparison

FLOOX reader vs Readwise

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

Head to head
About

FLOOX reader

This app uses the RSVP method to significantly increase reading speed and comprehension. It presents words one at a time, making reading more engaging and less tiring on the eyes. Regular use can improve overall reading habits and concentration.

Highlights
  • RSVP speed reading method
  • Supports EPUB, MOBI, FB2, PDF, TXT, HTML
  • Automatic link loading
  • Adjustable reading speed and delays
  • Contextual word display
  • Customizable colors and RTL support
Features
Read full description

Have you ever wanted to read some book, but it felt like it needed too much time and was simply boring? FLOOX will make reading much faster and much more fun (once you get a hang of it ;) It is based on RSVP (Rapid Serial Visual Presentation) method, which has been scientifically proven to increase the reading speed by 33% while retaining the same comprehension level (G. Öquist, M. Goldstein). While most speed-reading techniques require a lot of self-discipline to keep a high speed, FLOOX keeps the speed you choose, so that you can relax and concentrate on the meaning. Reading becomes like watching a movie, while remaining a great exercise for your brain. Since words on the screen are always moving and grabbing your attention, concentrating on reading is also much easier than for a static text, where your mind tends to wonder away because there is no action. The basis of any speed reading is to reduce the vocalization: understand the words without pronouncing them with your internal voice; and FLOOX helps you achieve this. So your regular reading will also improve after using FLOOX! Besides, since you only need to see one word a time, you can use a much larger font and hold the device farther away, which is less tiring on your eyes and saves your vision. Remember: this method requires a skill. You can truly appreciate it only after practicing it for a couple of weeks. + Supports EPUB, MOBI, FB2, PDF, TXT and HTML files, Copy-Paste and Sharing. There are many websites to convert other formats to EPUB or FB2. + When pasting or sharing links, they are loaded automatically, so you can read the news or Wikipedia using FLOOX + See the remaining time to finish the book and the estimated speed (words per minute) + Easily increase/decrease speed or fine-tune all delays to make it behave exactly as you want + See the words surrounding the current words, to roughly understand the context and look ahead or behind when needed + Set colors you like + Right-to-Left support + Chinese and Japanese languages support You can purchase a 1-year AD-FREE subscription! Terms of Use: http://astrate.ch/terms_of_use_floox_free.html

About

Readwise

This app helps you retain more of what you read by centralizing and revisiting your highlights from various reading platforms. It uses spaced repetition and active recall techniques to improve memory and offers features like tagging, note-taking, and OCR for physical books.

Highlights
  • Synchronize highlights from multiple platforms
  • Daily review habit via app and email
  • Spaced repetition and active recall
  • Tag, note, and search highlights
  • OCR for paper book highlights
  • Convert highlights to flashcards
Features
Read full description

Readwise helps you get the most out of what you read by making it fun & easy to revisit your highlights from all your favorite reading platforms in one place. Quickly synchronize your highlights from Kindle, Apple Books, Instapaper, Pocket, Medium, Goodreads, and even paper books. Then start building a daily review habit using the app and daily email. By reviewing your highlights every day, you'll retain dramatically more and you'll finally stop forgetting all the details from books you just finished! --- “Readwise is my favorite new service this year. Save highlights from Kindle, Instapaper, and now tweets... one of the best long-term personal learning tools I’ve come across.” — Caleb Hicks “Besides my Kindle, Readwise has been the most influential tech for improving my reading process.” — Blake Reichmann “If you use Kindle or Instapaper or just enjoy keeping and reading highlights, please sign up to Readwise. It will become one of your cherished services.” — Christopher Galtenberg --- ACTUALLY USE YOUR HIGHLIGHTS Highlighting is great, but why bother if you're never going to see any of your highlights again? Readwise makes it easy to quickly liberate all your highlights into one place, ensuring that you'll actually see and use them, including highlights from: • Amazon Kindle • Apple iBooks • Instapaper • Pocket • Medium • Goodreads • Twitter • Physical Books (using OCR) • Manual Input • CSV Upload STOP FORGETTING WHAT YOU READ How often do you finish a book, only to forget the key ideas two weeks later? We don't remember things by just reading them once. Readwise solves this problem using scientifically proven learning techniques called Spaced Repetition and Active Recall. Readwise resurfaces the right highlights at the right times using a daily email and an app. Readwise even makes it possible to convert your best highlights into flashcards for added retention. TAG, NOTE, SEARCH, AND ORGANIZE With your highlights all in one place, Readwise enables you to organize and connect these ideas in new ways. Use search to find a highlight instantly; use tag to organize highlights within your library; use notes to add your own annotations. HIGHLIGHT PAPER BOOKS Readwise also makes it possible to take highlights from your physical books and papers using your phone’s camera. Just snap a pic, highlight with your finger, and have your favorite highlights saved forever. --- If you are not already a Readwise subscriber, you can get started immediately with a 30-day free trial with no credit card upfront. At the end of the trial, you will not be charged unless you choose to subscribe to Readwise Full or Readwise Lite. Price may vary by location. Manage your subscription from your dashboard. --- Support: Check out readwise.io/faq or email us at hello@readwise.io Privacy Policy: https://readwise.io/tos Terms of Service: https://readwise.io/privacy

Screenshots

FLOOX reader3 screens
Readwise4 screens

Verdict

The call

The clearest difference is update cadence: Readwise at every 2 weeks against FLOOX reader's every 9 months. Readwise also leads on ratings volume (1.5K vs 5). FLOOX reader's advantage is iOS requirement (13.0 vs 15.5). On price, rating, review sentiment and ads 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. FLOOX reader sells 1 in-app purchase, starting at $3.99 per year and Readwise sells 8 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for FLOOX reader against 4.8 for Readwise. That said, the two scores are not equally well evidenced: Readwise has 1.5K ratings behind it against 5, so its average is the more settled of the two. Written reviews are what separate them: 80% of FLOOX reader's written reviews are positive against 72% of Readwise's.

UpkeepUpdate frequency

FLOOX reader ships an update every 9 months, Readwise every 2 weeks. The most recent releases landed on October 7, 2026 and October 11, 2026 respectively.

Scorecard3 real differences · 7 level
FLOOX reader versus Readwise: the parameters behind the verdict, then further details
ParameterFLOOX readerReadwise
PriceFreeFree
Rating4.8 (5 ratings)4.8 (1.5K ratings)
Positive reviews80.0% of reviews — better72.3% of reviews
Number of ratings51.5K — better
Update frequencyEvery 9 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.5
Further details — not scored
Size37 MB110 MB
Age rating4+12+
DeveloperAnton LastochkinReadwise, Inc

Customer experience

FLOOX reader

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews10 reviews
Positive80.0%
Neutral10.0%
Negative10.0%

Readwise

All ratings1,513 ratings
Positive95.7%
Neutral1.5%
Negative2.8%
Written reviews325 reviews
Positive72.3%
Neutral7.7%
Negative20.0%

Bugs and requests

FLOOX reader

Not enough reviews yet to summarise bugs or requests.

Readwise

Reported bugs

3 issues
  • Frequent app crashes
  • Sync failures with certain accounts
  • Unreliable highlight capture

Requested features

5 requests
  • Add support for more reading apps
  • Improve sync and import capabilities
  • Introduce more customization options
  • Enhance search and organization tools
  • Develop a more intuitive mobile interface

In-app purchases

1 purchases

FLOOX reader

Subscriptions1
  • FLOOX without advertisements$3.991 Year
8 purchases

Readwise

Subscriptions8
  • Readwise Lite Monthly$4.991 Month
  • Readwise Lite Monthly$6.991 Month
  • Readwise Full Monthly Plan$8.991 Month
Show 5 more
  • Readwise Full Monthly$12.991 Month
  • Readwise Lite Yearly$52.991 Year
  • Readwise Lite Yearly$66.991 Year
  • Readwise Full Yearly$94.991 Year
  • Readwise Full Yearly$119.991 Year

Questions

Is FLOOX reader free?
FLOOX reader is free to download, with in-app purchases available.
Is Readwise free?
Readwise is free to download, with in-app purchases available.
Which has better reviews, FLOOX reader or Readwise?
FLOOX reader and Readwise are both rated 4.8 out of 5 on the App Store, from 5 and 1.5K ratings respectively.
Do FLOOX reader or Readwise have ads?
Neither FLOOX reader nor Readwise shows ads.
Which is updated more often, FLOOX reader or Readwise?
FLOOX reader ships an update every 9 months, and Readwise every 2 weeks. Most recently, FLOOX reader was updated on October 7, 2026 and Readwise on October 11, 2026.

Other comparisons