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Speed Reading IQ: epub, djvu icon

Speed Reading IQ Downloads & RevenueSpeed Reading IQ: epub, djvu · App Store

Скорочтение IQ: ePub,fb2,DjVu

Speed Reading IQ: epub, djvu is #95 in Books Free in Russia and charting in 1 of 30 countries we track.

Updated 11 Nov 2026 · rankings refresh through the day

DeveloperDmitry Zaika
CategoryBooks
PriceFree
Released
Rating★ 4.8 (4.2k)
Version3.6
Age rating9+
First seen by us 26 Sep 2026
Installs (est.)500k+ worldwide
View on the App Store ↗

Speed Reading IQ: epub, djvu update history & changes

Last change · 4 events since 29 May 2014Full timeline ↓
📈Charting in a new country🆕First spotted by AppInsider🆕Released on the App Store
Full timeline · 3 events in the last 12 months
  2. 📈
    Speed Reading IQ: epub, djvu charting in a new country
    France
  4. 🆕
    Speed Reading IQ: epub, djvu first spotted by AppInsider
    #85 in Top Free · Books · Russia
  6. 🆕
    Speed Reading IQ: epub, djvu released on the App Store

Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.

Monthly users
all platforms
Free with an account
Confidence
Revenue / month
in-app, worldwide
Free with an account
Confidence
Rating
4.8 ★
4.2k ratings
Measured
Best rank now
#95
Books Free
Measured
New ratings a week
1.8
App Store, 4-week average
Measured
Exact figures, their ranges and how sure we are, free with an account.Sign up freeSign in

Speed Reading IQ: epub, djvu on the App Store

App details

App ID
829759808
Publisher
Dmitry Zaika
On the store since
May 2014
12 years on the store
Minimum OS
iOS 13.0+
iPhone 6s and later
Devices
iPhone · iPad
Universal purchase
Content rating
9+
1 content note below
Languages
36
AR KM CA HR CS DA NL EN FI FR DE EL …
Size
50 MB
Also listed in
Books, Education
Content notesInfrequent/Mild Profanity or Crude Humour