Spindle Books Downloads & RevenueSpindle Books · App Store
Not in any tracked top chart right now.
Updated 8 Nov 2026 · rankings refresh through the day
DeveloperiPortfolio Inc.
CategoryBooks
PriceFree
Released
Rating★ 1.5 (2)
Version4.0.12
Age rating4+
First seen by us
1 Nov 2026
Full timeline · 3 events
- 🆕Spindle Books first spotted by AppInsiderUnited States (found via developer)
- 📦Spindle Books version 4.0.12This update includes performance enhancements and bug fixes.
- 🆕Spindle Books released on the App Store
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Rating
1.5 ★
2 ratings
Measured
Spindle Books on the App Store
App details
App ID
493709695
Publisher
iPortfolio Inc.
On the store since
Mar 2012
14 years on the store
Minimum OS
iOS 13.0+
iPhone 6s and later
Devices
iPhone · iPad
Universal purchase
Content rating
4+
Languages
2
EN KO
Size
68 MB
Also listed in
Books, Education
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
1.5 ★
2 ratings
Measured
Ratings
2
Measured
About Spindle Books
Spindle Books™ is cutting edge digital reading programme and globally approved technology, optimized for language acquisition.
Spindle Books™ applies the principle of natural language acquisition in order for our children to become bilingual.
Through the 5-step Multi-dimension Reading, children can expect 5 times higher language learning efficiency.
[Multi-dimension Reading]
- 1st: Warm Up. Brain relaxer word game
- 2nd: Listen Up. Vivid audio story telling (texts are hidden)
- 3rd: Read. British/American accent, speed control, and even recording.
- 4th: Speak Up. Listening to native speaker and speak aloud as repeating
- 5th: Wrap Up. Dynamic and diverse after-reading activities
If you have any questions, please do not hesitate to contact our customer service(+82-2-1566-2246) for help.
Spindle Books™ applies the principle of natural language acquisition in order for our children to become bilingual.
Through the 5-step Multi-dimension Reading, children can expect 5 times higher language learning efficiency.
[Multi-dimension Reading]
- 1st: Warm Up. Brain relaxer word game
- 2nd: Listen Up. Vivid audio story telling (texts are hidden)
- 3rd: Read. British/American accent, speed control, and even recording.
- 4th: Speak Up. Listening to native speaker and speak aloud as repeating
- 5th: Wrap Up. Dynamic and diverse after-reading activities
If you have any questions, please do not hesitate to contact our customer service(+82-2-1566-2246) for help.
Latest updates
4.0.12
This update includes performance enhancements and bug fixes.