Comparison

Bitu Mod vs Quail Reader

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

Head to head
About

Bitu Mod

Features
Read full description

Bitu is a mobile app aiming to help improve English speaking skills of learners by providing discussion classes with foreign moderatoes. Working in Bitu brings you the best experiences ever. How does Bitu work? - Open the app and register an account - Switch your status to Available when you are ready to have classes - Switch your status back to Busy when you can't have classes - App will call you when there is a room - Discussion topics are always given in advance - The maximum number of learners in each room is 4 along with 1 foreign moderator - Each room is discussed in 30 minutes - Moderators will help students discuss topics and correct their mistakes when needed - Moderators can have classes in Bitu anywhere, anytime as long as you have a phone

About

Quail Reader

Enhance learning retention with a memory-optimized reader. Import articles, EPUBs, and text into a distraction-free environment. Utilize spaced repetition and incremental reading to transform information into lasting knowledge.

Highlights
  • Memory-optimized reading
  • Spaced repetition
  • Distraction-free environment
  • Incremental reading
  • Content import (articles, EPUBs, text)
  • Knowledge modules
  • Useful annotations
Features
Read full description

Achieve complete understanding of what you learn with Quail, the world’s first memory-optimized reader! This was built for Ultralearners helping you retain what’s important so you can make the most out of what you learn. Did you know, you can forget up to 90% of what you learned in a week? Often without realizing it. It’s time to fight back. With our combination of a distraction free reading environment, easy importing of materials, spaced repetition, and incremental reading, you will focus better and accomplish more, just like our fellow Quail members. --- REMEMBER MORE with SPACED REPETITION: We ensure that everything you find important will come back to you just when you need it, based on YOUR memory. How cool is that? DISTRACTION FREE READING: Import your web articles, EPUBs, and important text for a distraction free reading experience. We clean out all the junk and ads and keep what’s important so you can learn in peace. INCREMENTAL READING: Accelerate transforming massive texts into digestible knowledge that lasts for life. Incremental reading enhances not only the speed of reading but improves your ability to make connections and retain what you learn! MODULES: Tired of endless saved materials and don’t know where to start? Us too! Organize your knowledge into modules so you can keep knowledge organized and always know what to learn next. USEFUL ANNOTATIONS: Annotations are key to getting the most out of what you learn. But other apps tend to make them useless. Quail’s annotations work for you, keep you engaged, and come back to you or your money back. FLEXIBLE FOR YOU: The way you learn is unique, that’s ok. We built Quail with that in mind. We built it so you can bring all your materials to one place and the app will be built around your own learning experience. --- Support: Email us anytime at hello@readquail.com. We are always happy to hear from you. Privacy Policy: https://www.readquail.com/privacy Terms of Service: https://www.readquail.com/terms

Screenshots

Bitu Mod1 screens
Quail Reader3 screens

Verdict

The call

The clearest difference is in-app purchases: Bitu Mod at none against Quail Reader's 3. Quail Reader's advantage is update cadence (weekly vs every 4 weeks). On price, ads, device support and iOS requirement 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. Quail Reader sells 3 in-app purchases, starting at $8.99 per month. Bitu Mod asks for nothing beyond the download.

UpkeepUpdate frequency

Bitu Mod ships an update every 4 weeks, Quail Reader weekly. The most recent releases landed on September 20, 2026 and June 2, 2026 respectively.

Scorecard2 real differences · 8 level
Bitu Mod versus Quail Reader: the parameters behind the verdict, then further details
ParameterBitu ModQuail Reader
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 4 weeksWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS14.0 — better15.5
Further details — not scored
Size108 MB76 MB
Age rating4+4+
DeveloperBITU VIET NAM COMPANY LIMITEDAndrew Yong

In-app purchases

None

Bitu Mod

No in-app purchases

3 purchases

Quail Reader

Subscriptions2
  • Quail Monthly$8.991 Month
  • Quail Annual$69.991 Year
One-time1
  • Quail Lifetime$34.99

Questions

Is Bitu Mod free?
Bitu Mod is free to download, with no in-app purchases.
Is Quail Reader free?
Quail Reader is free to download, with in-app purchases available.
Do Bitu Mod or Quail Reader have ads?
Neither Bitu Mod nor Quail Reader shows ads.
Which is updated more often, Bitu Mod or Quail Reader?
Bitu Mod ships an update every 4 weeks, and Quail Reader weekly. Most recently, Bitu Mod was updated on September 20, 2026 and Quail Reader on June 2, 2026.

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