Kortext: iPhone vs Android
Kortext by Kortext is on both the App Store and Google Play. Here are both versions together: downloads, users, revenue, ratings and chart positions, store by store with totals.
Rating
3.1 ★
2.3k ratings, both stores
Measured
Best rank now
#27
iPhone · 
Books Free
Books FreeMeasured
App Store
App details
App ID
1030400150
Publisher
Kortext LLC
Minimum OS
iOS 17.0+
Content rating
12+
Languages
3
EN DE TR
Size
40 MB
Google Play
App details
App ID
com.cloudspringtech.kortext
Publisher
Kortext
Content rating
Everyone
Kortext downloads & installs
Both stores, worldwide. Bands are open; exact numbers are free with an account.
| Store | Downloads / day | Lifetime installs |
|---|---|---|
| iPhone | – | 100k+ |
| Google Play | – | 100k+ Measured |
| Total | – | 500k+ Confidence |
How this is calculated
iPhone: chart positions and rating growth per country, anchored on its own Android downloads; lifetime from ratings worldwide × installs per rating. Google Play: the daily change in its exact install count. The total adds every store.
Where Kortext's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
Retention · share of new users still active
Day 1
Day 7
Day 30
Time spent · per daily user
Average time spent Pro
min a day
Sessions a day Pro
Time per session Pro
min
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Where it ranks now
Both stores, across every country we track.
Ratings
Both stores. Store data, measured.
| Store | Rating | Ratings |
|---|---|---|
| App Store | 3.9 ★ | 1.3k |
| Google Play | 2.1 ★ | 955 102 written reviews |
| Both stores | 3.1 ★ weighted by ratings | 2.3k |
About Kortext
Kortext provides access to online eBooks from multiple publishers, with enhanced in-built audio and video content, combined with tools to assist learners and academics to make the most of their content.
Features include:
- Add and read PDF/EPUB files from your iPhone and iPad
- Enjoy free access to a collection of over 13,000 eTextbooks
- Easy navigation to content, providing quick access to pages
- Highlight text in a range of colours and create notes, enabling quick reference of key sections
- Add a reference (Harvard or APA), making creation of bibliographies much easier
- Read Aloud sections, providing help with accessing content
- Increase text size, change font and background of pages making it easier to view content
- Search for keywords and phrases within the books directly from your bookshelf, allowing quicker access to relevant content
- 500MB of free cloud file storage. Simply upload your study materials and harness the full potential within
Features include:
- Add and read PDF/EPUB files from your iPhone and iPad
- Enjoy free access to a collection of over 13,000 eTextbooks
- Easy navigation to content, providing quick access to pages
- Highlight text in a range of colours and create notes, enabling quick reference of key sections
- Add a reference (Harvard or APA), making creation of bibliographies much easier
- Read Aloud sections, providing help with accessing content
- Increase text size, change font and background of pages making it easier to view content
- Search for keywords and phrases within the books directly from your bookshelf, allowing quicker access to relevant content
- 500MB of free cloud file storage. Simply upload your study materials and harness the full potential within
Kortext iPhone
Kortext is #27 in Books Free in United Kingdom and charting in 2 of 24 countries we track.
Updated 27 Sep 2026 · rankings refresh through the day
DeveloperKortext
CategoryBooks
PriceFree
Released
Rating★ 3.9 (1.3k)
Version5.5.12
Age rating12+
First seen by us
24 Sep 2026
24 Sep 2026Installs (est.)100k+ worldwide
Rating
3.9 ★
1.3k ratings
Measured
Best rank now
#27
Books FreeMeasured
Kortext on the App Store
App details
App ID
1030400150
Publisher
Kortext LLC
Minimum OS
iOS 17.0+
Content rating
12+
Languages
3
EN DE TR
Size
40 MB
Kortext downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. iPhone downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Where Kortext's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
Retention · share of new users still active
Day 1
Day 7
Day 30
Time spent · per daily user
Average time spent Pro
min a day
Sessions a day Pro
Time per session Pro
min
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Where it ranks now
Every top chart it appears in across 24 countries.
| Country | Charts | Rank |
|---|---|---|
| United Kingdom | BooksFree | #27 |
 United Arab Emirates | BooksFree | #66 |
Apps near Kortext on the chart
Books Free, around #27.
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Google Play Books & Audiobooks#26
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Ratings
App Store, worldwide.
Rating
3.9 ★
1.3k ratings
Measured
Ratings
1.3k
Measured
About Kortext
Kortext provides access to online eBooks from multiple publishers, with enhanced in-built audio and video content, combined with tools to assist learners and academics to make the most of their content.
Features include:
- Add and read PDF/EPUB files from your iPhone and iPad
- Enjoy free access to a collection of over 13,000 eTextbooks
- Easy navigation to content, providing quick access to pages
- Highlight text in a range of colours and create notes, enabling quick reference of key sections
- Add a reference (Harvard or APA), making creation of bibliographies much easier
- Read Aloud sections, providing help with accessing content
- Increase text size, change font and background of pages making it easier to view content
- Search for keywords and phrases within the books directly from your bookshelf, allowing quicker access to relevant content
- 500MB of free cloud file storage. Simply upload your study materials and harness the full potential within
Features include:
- Add and read PDF/EPUB files from your iPhone and iPad
- Enjoy free access to a collection of over 13,000 eTextbooks
- Easy navigation to content, providing quick access to pages
- Highlight text in a range of colours and create notes, enabling quick reference of key sections
- Add a reference (Harvard or APA), making creation of bibliographies much easier
- Read Aloud sections, providing help with accessing content
- Increase text size, change font and background of pages making it easier to view content
- Search for keywords and phrases within the books directly from your bookshelf, allowing quicker access to relevant content
- 500MB of free cloud file storage. Simply upload your study materials and harness the full potential within
Latest updates
5.5.12
- Vertical scrolling in PDFs. Read in one continuous scroll instead of page by page.
- Polish and stability. Clearer wording and messaging throughout, plus a batch of fixes to crashes, loading and search.
5.4.22
Kortext ebooks & etextbooks Android
Kortext ebooks & etextbooks is #39 in Books & Reference Free on Google Play in United Kingdom and charting in 1 of 15 countries we track.
Updated 27 Sep 2026 · rankings refresh through the day
DeveloperKortext
CategoryBooks & Reference
PriceFree
Released
Installs100k+
Rating★ 2.1 (955)
Updated
Content ratingEveryone
Rating
2.1 ★
955 ratings
Measured
Best rank now
#39
Books & Reference FreeMeasured
Kortext ebooks & etextbooks on Google Play
App details
App ID
com.cloudspringtech.kortext
Publisher
Kortext
Content rating
Everyone
Kortext ebooks & etextbooks downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Google Play shows an exact lifetime install count; downloads per day are its daily change (measured). When Play hasn't refreshed the count, they come from new ratings and Top Free chart positions. Confidence is the chance the real number is within half to double ours.
Where Kortext ebooks & etextbooks's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Where it ranks on Google Play
Every top 200 chart it appears in across 15 countries.
| Country | Charts | Rank |
|---|---|---|
| United Kingdom | Books & ReferenceFree | #39 |
Apps near Kortext ebooks & etextbooks on the chart
Books & Reference Free, around #39.
Ratings
Google Play, worldwide.
Rating
2.1 ★
955 ratings
Measured
Ratings
955
Measured
Written reviews
102
Measured
About Kortext ebooks & etextbooks
Kortext provides access to online and offline eBooks from multiple publishers, with enhanced in-built audio and video content, combined with tools to assist learners and academics to make the most of the content.
Features include:
- Easy navigation to content, providing quick access to pages
- Highlight extracts in a range of colours, enabling quick reference of key sections
- Add notes to content and share via email or OneNote, allowing notes from different books to be collated in one area
- Add a reference (Harvard or APA), making creation of bibliographies much easier
- Read Aloud sections, providing help with accessing content
- Increase text size, making it easier to view content
Features include:
- Easy navigation to content, providing quick access to pages
- Highlight extracts in a range of colours, enabling quick reference of key sections
- Add notes to content and share via email or OneNote, allowing notes from different books to be collated in one area
- Add a reference (Harvard or APA), making creation of bibliographies much easier
- Read Aloud sections, providing help with accessing content
- Increase text size, making it easier to view content
What's new in 5.4.15
This update brings some general performance improvements, a few UX touch-ups, and a fresh batch of bug squashes to keep things running smoothly!