Episteme Downloads & RevenueEpisteme: PDF & eBook Reader · App Store & Google Play
48 days old
Episteme: PDF & eBook Reader by Aryan Raj is on App Store and Google Play. Active Users (MAU & DAU), Downloads, rankings, keywords, revenue, and rating totals.
Episteme: PDF & eBook Reader update history & changes
Last change · 13 events since 8 Nov 2025Full timeline ↓📦iOSUpdated to version 1.0.7🆕AndroidFirst spotted by AppInsider📦iOSUpdated to version 1.0.6📦AndroidVersion 1.0.58📈iOSDropped out of every chart we track🆕iOSFirst spotted by AppInsider🆕iOSReleased on the App Store🆕AndroidReleased on Google Play
Full timeline · 13 events
- 📦Episteme: PDF & eBook Reader updated to version 1.0.7iOSOptimized UI for iPhone Duo
- 🆕Episteme: PDF & eBook Reader first spotted by AppInsiderAndroidUnited States (found via search)
- 📦Episteme: PDF & eBook Reader updated to version 1.0.6iOS• Local folder fix
- 📦Episteme: PDF & eBook Reader updated to version 1.0.5iOS• New app icon
• Library beta is now the primary home screen
• EPUB3 media overlay support
• Several bug fixes - 📦Episteme: PDF & eBook Reader: now updating weeklyiOS4 updates in 30 days, after a quiet two months
- 📦Episteme: PDF & eBook Reader version 1.0.58Android- fix epub highlight color changing issue
- crash fix on app start - 📦Episteme: PDF & eBook Reader updated to version 1.0.4iOS• Cloud sync(Pro)
• Cloud TTS(Pro and BYOK)
• Many bug fixes - 📦Episteme: PDF & eBook Reader updated to version 1.0.3iOS• In PDF reader the toolbars and now be docked at side edges
• Fixed scrolling in native vertical mode in EPUB reader
• Removed word like text annotation and made textboxes the default option
• Fixed tap to turn pages in pagination mode in EPUB reader
• Added proper realistic page turn animation for pagination RTL… more - 📈Episteme: PDF & eBook Reader dropped out of every chart we trackiOSLast seen 25 Sep
- 🆕Episteme: PDF & eBook Reader first spotted by AppInsideriOS#85 in Top Grossing · Books · Italy
- 📦Episteme: PDF & eBook Reader version 1.0.2iOS• Bug fixes
- 🆕Episteme: PDF & eBook Reader released on the App StoreiOS
- 🆕Episteme: PDF & eBook Reader released on Google PlayAndroid
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Rating
4.8 ★
605 ratings, both stores
Measured
App Store
App details
App ID
6803775133
Publisher
Aryan Raj
Publisher country
India
On the store since
Sep 2026
Under a year
Minimum OS
iOS 17.0+
iPhone XS and later
Devices
iPhone · iPad
Universal purchase
Content rating
12+
Languages
1
EN
Size
107 MB
Also listed in
Books, Productivity
Google Play
App details
App ID
com.aryan.reader
Publisher
Aryan Raj
Publisher country
India
Content rating
Everyone
Episteme: PDF & eBook Reader downloads & installs
Both stores, worldwide. Bands are open; exact numbers are free with an account.
| Store | Downloads / day | Lifetime installs |
|---|---|---|
| App Store | – | – |
| Google Play | – | 10k+ Measured |
| Total | – | 10k+ Confidence |
How this is calculated
App Store: 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.
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.
In-app revenue
Worldwide, what users spend before Apple and Google take their fee.
| Store | Per day | Per month | Share |
|---|---|---|---|
| App Store | |||
| Google Play | |||
| Total | Confidence | 100% |
Business model: In-app purchase-led
How Episteme: PDF & eBook Reader makes money: subscriptions, one-off purchases and ads.
In-app purchases
One-off purchases
/mo
of revenue
Where it ranks now
Both stores, across every country we track.
| Store | Best rank | Charting in | US Top Free | US Top Grossing |
|---|---|---|---|---|
| App Store | – | 0 of 30 countries | – | – |
| Google Play | – | 0 of 23 countries | – | – |
Full chart lists: App Store · Google Play.
Ratings
Both stores. Store data, measured.
| Store | Rating | Ratings |
|---|---|---|
| App Store | 0.0 ★ | – |
| Google Play | 4.8 ★ | 605 22 written reviews |
| Both stores | 4.8 ★ weighted by ratings | 605 |
About Episteme: PDF & eBook Reader
Episteme Reader is an offline-first, privacy-focused document and e-book reader. It supports PDF, EPUB, MOBI, AZW3, FB2, ODT/FODT, DOCX, Comics, Markdown, HTML, and plain text files.
• Two Reading Modes
Switch between a paginated view for a traditional book-like experience and continuous vertical scrolling for quick reading. Both modes work across all supported formats.
• PDF Annotations
Draw directly on PDF pages using pen, fountain pen, pencil, highlighter, and eraser tools. Add text boxes anywhere on a page with system or imported fonts. Annotated documents can be exported with full vector fidelity.
• Custom Fonts
Import your own font files (.ttf, .otf) and use them while reading any ebook format. Embedded book fonts and system fonts are also fully supported.
• Text Selection & Search
Select, copy, and search text across all formats. Full-text search with background indexing for large documents. built-in OCR support for scanned or image-based PDFs.
• Text-to-Speech
Listen to any document using your device's TTS engine.
• Smart Tools (Pro)
Get context-aware dictionary definitions for words and phrases. Generate concise summaries of chapters or pages to quickly understand complex material.
• Library & Organization
Manage your collection with custom shelves and collections. Sort by title, author, or reading progress. Jump back into recent books instantly.
• Local Folder Sync
Point Episteme at a folder on your device to automatically import and track books.
• Privacy
Episteme is designed to work entirely offline. No account is needed for any core feature. AI-powered\online features process data securely in memory without storing any user content.
• Two Reading Modes
Switch between a paginated view for a traditional book-like experience and continuous vertical scrolling for quick reading. Both modes work across all supported formats.
• PDF Annotations
Draw directly on PDF pages using pen, fountain pen, pencil, highlighter, and eraser tools. Add text boxes anywhere on a page with system or imported fonts. Annotated documents can be exported with full vector fidelity.
• Custom Fonts
Import your own font files (.ttf, .otf) and use them while reading any ebook format. Embedded book fonts and system fonts are also fully supported.
• Text Selection & Search
Select, copy, and search text across all formats. Full-text search with background indexing for large documents. built-in OCR support for scanned or image-based PDFs.
• Text-to-Speech
Listen to any document using your device's TTS engine.
• Smart Tools (Pro)
Get context-aware dictionary definitions for words and phrases. Generate concise summaries of chapters or pages to quickly understand complex material.
• Library & Organization
Manage your collection with custom shelves and collections. Sort by title, author, or reading progress. Jump back into recent books instantly.
• Local Folder Sync
Point Episteme at a folder on your device to automatically import and track books.
• Privacy
Episteme is designed to work entirely offline. No account is needed for any core feature. AI-powered\online features process data securely in memory without storing any user content.
Episteme: PDF & eBook Reader App Store
48 days old
Not in any tracked top chart right now.
Updated 9 Nov 2026 · rankings refresh through the day
DeveloperAryan Raj
CategoryBooks
PriceFree
Released
Rating★ 0.0 (0)
Version1.0.7
Age rating12+
First seen by us
26 Sep 2026
26 Sep 2026Rating
0.0 ★
0 ratings
Measured
Episteme: PDF & eBook Reader on the App Store
App details
App ID
6803775133
Publisher
Aryan Raj
Publisher country
India
On the store since
Sep 2026
Under a year
Minimum OS
iOS 17.0+
iPhone XS and later
Devices
iPhone · iPad
Universal purchase
Content rating
12+
Languages
1
EN
Size
107 MB
Also listed in
Books, Productivity
Episteme: PDF & eBook Reader 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. App Store 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.
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.
In-app revenue
Worldwide, what users spend in Episteme: PDF & eBook Reader before Apple and Google take their fee.
How this is calculated
Not on any Top Grossing chart: monthly active users × spend per user for its category, measured on the charted apps nearest the bottom of the charts.
Business model: In-app purchase-led
How Episteme: PDF & eBook Reader makes money: subscriptions, one-off purchases and ads.
In-app purchases
One-off purchases
/mo
of revenue
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
0.0 ★
0 ratings
Measured
Ratings
0
Measured
About Episteme: PDF & eBook Reader
Episteme Reader is an offline-first, privacy-focused document and e-book reader. It supports PDF, EPUB, MOBI, AZW3, FB2, ODT/FODT, DOCX, Comics, Markdown, HTML, and plain text files.
• Two Reading Modes
Switch between a paginated view for a traditional book-like experience and continuous vertical scrolling for quick reading. Both modes work across all supported formats.
• PDF Annotations
Draw directly on PDF pages using pen, fountain pen, pencil, highlighter, and eraser tools. Add text boxes anywhere on a page with system or imported fonts. Annotated documents can be exported with full vector fidelity.
• Custom Fonts
Import your own font files (.ttf, .otf) and use them while reading any ebook format. Embedded book fonts and system fonts are also fully supported.
• Text Selection & Search
Select, copy, and search text across all formats. Full-text search with background indexing for large documents. built-in OCR support for scanned or image-based PDFs.
• Text-to-Speech
Listen to any document using your device's TTS engine.
• Smart Tools (Pro)
Get context-aware dictionary definitions for words and phrases. Generate concise summaries of chapters or pages to quickly understand complex material.
• Library & Organization
Manage your collection with custom shelves and collections. Sort by title, author, or reading progress. Jump back into recent books instantly.
• Local Folder Sync
Point Episteme at a folder on your device to automatically import and track books.
• Privacy
Episteme is designed to work entirely offline. No account is needed for any core feature. AI-powered\online features process data securely in memory without storing any user content.
• Two Reading Modes
Switch between a paginated view for a traditional book-like experience and continuous vertical scrolling for quick reading. Both modes work across all supported formats.
• PDF Annotations
Draw directly on PDF pages using pen, fountain pen, pencil, highlighter, and eraser tools. Add text boxes anywhere on a page with system or imported fonts. Annotated documents can be exported with full vector fidelity.
• Custom Fonts
Import your own font files (.ttf, .otf) and use them while reading any ebook format. Embedded book fonts and system fonts are also fully supported.
• Text Selection & Search
Select, copy, and search text across all formats. Full-text search with background indexing for large documents. built-in OCR support for scanned or image-based PDFs.
• Text-to-Speech
Listen to any document using your device's TTS engine.
• Smart Tools (Pro)
Get context-aware dictionary definitions for words and phrases. Generate concise summaries of chapters or pages to quickly understand complex material.
• Library & Organization
Manage your collection with custom shelves and collections. Sort by title, author, or reading progress. Jump back into recent books instantly.
• Local Folder Sync
Point Episteme at a folder on your device to automatically import and track books.
• Privacy
Episteme is designed to work entirely offline. No account is needed for any core feature. AI-powered\online features process data securely in memory without storing any user content.
Latest updates
1.0.7
Optimized UI for iPhone Duo
1.0.6
• Local folder fix
1.0.5
• New app icon
• Library beta is now the primary home screen
• EPUB3 media overlay support
• Several bug fixes
Episteme: PDF & eBook Reader Android
Not in a tracked Google Play top chart right now.
Updated 9 Nov 2026 · rankings refresh through the day
DeveloperEpisteme Dev
CategoryBooks & Reference
PriceFree
Released
Installs10k+
Rating★ 4.8 (605)
Updated
Content ratingEveryone
Rating
4.8 ★
605 ratings
Measured
Episteme: PDF & eBook Reader on Google Play
App details
App ID
com.aryan.reader
Publisher
Aryan Raj
Publisher country
India
Content rating
Everyone
Episteme: PDF & eBook Reader 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.
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.
In-app revenue
Worldwide, what users spend in Episteme: PDF & eBook Reader before Apple and Google take their fee.
How this is calculated
Not on any Top Grossing chart: monthly active users × spend per user for its category, measured on the charted apps nearest the bottom of the charts.
Business model: In-app purchase-led
How Episteme: PDF & eBook Reader makes money: subscriptions, one-off purchases and ads.
In-app purchases
One-off purchases
/mo
of revenue
Where it ranks on Google Play
Every top 200 chart it appears in across 23 countries.
| Country | Charts | Rank |
|---|---|---|
| Not in a Google Play top chart right now. | ||
Ratings
Google Play, worldwide.
Rating
4.8 ★
605 ratings
Measured
Ratings
605
Measured
Written reviews
22
Measured
About Episteme: PDF & eBook Reader
Episteme Reader is an offline-first, privacy-focused document and e-book reader. It supports PDF, EPUB, MOBI, AZW3, FB2, ODT/FODT, DOCX, Comics, Markdown, HTML, and plain text files.
📖 Two Reading Modes
Switch between a paginated view for a traditional book-like experience and continuous vertical scrolling for quick reading. Both modes work across all supported formats.
✏️ PDF Annotations
Draw directly on PDF pages using pen, fountain pen, pencil, highlighter, and eraser tools. Add text boxes anywhere on a page with system or imported fonts. Annotated documents can be exported with full vector fidelity.
🔤 Custom Fonts
Import your own font files (.ttf, .otf) and use them while reading any ebook format. Embedded book fonts and system fonts are also fully supported.
🔍 Text Selection & Search
Select, copy, and search text across all formats. Full-text search with background indexing for large documents. built-in OCR support for scanned or image-based PDFs.
🎧 Text-to-Speech
Listen to any document using your device's TTS engine or use Cloud TTS powered by Gemini for realistic voices.
🧠 Smart Tools (Pro)
Get context-aware dictionary definitions for words and phrases. Generate concise summaries of chapters or pages to quickly understand complex material.
📚 Library & Organization
Manage your collection with custom shelves and collections. Sort by title, author, or reading progress. Jump back into recent books instantly.
📂 Local Folder Sync
Point Episteme at a folder on your device to automatically import and track books.
☁️ Cloud Sync (Pro)
Sign in with Google Drive to sync your library, reading progress, bookmarks, and shelves across multiple devices. Files are stored securely in your private Google Drive app storage.
🔒 Privacy
Episteme is designed to work entirely offline. No account is needed for any core feature. AI-powered\online features process data securely in memory without storing any user content.
📖 Two Reading Modes
Switch between a paginated view for a traditional book-like experience and continuous vertical scrolling for quick reading. Both modes work across all supported formats.
✏️ PDF Annotations
Draw directly on PDF pages using pen, fountain pen, pencil, highlighter, and eraser tools. Add text boxes anywhere on a page with system or imported fonts. Annotated documents can be exported with full vector fidelity.
🔤 Custom Fonts
Import your own font files (.ttf, .otf) and use them while reading any ebook format. Embedded book fonts and system fonts are also fully supported.
🔍 Text Selection & Search
Select, copy, and search text across all formats. Full-text search with background indexing for large documents. built-in OCR support for scanned or image-based PDFs.
🎧 Text-to-Speech
Listen to any document using your device's TTS engine or use Cloud TTS powered by Gemini for realistic voices.
🧠 Smart Tools (Pro)
Get context-aware dictionary definitions for words and phrases. Generate concise summaries of chapters or pages to quickly understand complex material.
📚 Library & Organization
Manage your collection with custom shelves and collections. Sort by title, author, or reading progress. Jump back into recent books instantly.
📂 Local Folder Sync
Point Episteme at a folder on your device to automatically import and track books.
☁️ Cloud Sync (Pro)
Sign in with Google Drive to sync your library, reading progress, bookmarks, and shelves across multiple devices. Files are stored securely in your private Google Drive app storage.
🔒 Privacy
Episteme is designed to work entirely offline. No account is needed for any core feature. AI-powered\online features process data securely in memory without storing any user content.
What's new in 1.0.58
- fix epub highlight color changing issue
- crash fix on app start
- crash fix on app start