68
BU Score
Solid
Lithium: EPUB Reader
✍️ BU Analytics Review
“
Lithium: EPUB Reader is an Android app from FaultException in the Books & Reference category, currently rated 4.0★ across 39,266 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.
Our BU Score puts it at 68 — Solid (established niche player). For a Books & Reference app, that means established niche player.
Track changes month-over-month in the Performance section below — live snapshot history and revenue forecast included.
creator
📊 Performance Tracking LIVE
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Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
Range:
💰 Forecast Revenue / mo
MODELRevenue forecast computed from BU's 234 trigger model on each snapshot. Calibrated against ground-truth from 58 verified-revenue apps.
📈 Reviews Growth
LIVECumulative review count from first BU snapshot. Each point = a tracked update.
⭐ Rating Trend
LIVEAverage rating evolution. Updates with each new review batch.
🗓️ Snapshot Timeline
HISTORYEach bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →🔖 v0.24.6.1🔄 updated 1y ago📂 Books & Reference💰 Free
📝 About this app
Lithium is an EPUB reader.
• Automatic book detection
• Highlighting & notes
• Night & sepia themes
• Switch between pages and scrolling
• Built with Material Design
• 100% ad-free*
<b>LITHIUM PRO</b>
Upgrade to Pro to unlock the following features, as well as all all future Pro features:
• Sync reading position, highlights, notes, bookmarks and more across your devices with Google Drive. (Books themselves are not currently synced.)
• Custom reading themes (custom colors)
• More highlight colors.
NOTE: Lithium Pro works as a license to unlock the Pro features in this app. As long as Pro is installed alongside Lithium you can use the Pro features. It is not a separate standalone app.
<b>PLEASE GIVE FEEDBACK</b>
Use the "Send feedback" button (in the drawer or menu depending on where you're at in the app). Please let us know about any bugs or crashes you encounter.
* Ads meaning third-party advertisements. There may be occasional offers to upgrade to the premium version of the app.
• Automatic book detection
• Highlighting & notes
• Night & sepia themes
• Switch between pages and scrolling
• Built with Material Design
• 100% ad-free*
<b>LITHIUM PRO</b>
Upgrade to Pro to unlock the following features, as well as all all future Pro features:
• Sync reading position, highlights, notes, bookmarks and more across your devices with Google Drive. (Books themselves are not currently synced.)
• Custom reading themes (custom colors)
• More highlight colors.
NOTE: Lithium Pro works as a license to unlock the Pro features in this app. As long as Pro is installed alongside Lithium you can use the Pro features. It is not a separate standalone app.
<b>PLEASE GIVE FEEDBACK</b>
Use the "Send feedback" button (in the drawer or menu depending on where you're at in the app). Please let us know about any bugs or crashes you encounter.
* Ads meaning third-party advertisements. There may be occasional offers to upgrade to the premium version of the app.
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Lithium: EPUB Reader
- Developer
- FaultException
- Bundle ID
- com.faultexception.reader
- App Store URL
- Open in App Store
- Category
- Books & Reference
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- Not found
- Tagline
- Not found
- Description
- Not found
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- Not found
Revenue
- Verified revenue / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- ML model estimate / mo
- $1.8K/mo
- Top-grossing rank
- Not found
- All-time revenue
- Not found
- Pricing
- Not found
Founder
- Name
- Not found
- X / Twitter
- Not found
- Not found
- GitHub
- Not found
- X followers
- Not found
- Public statements
- Not found
Funding
- Total raised
- Not found
- Last round
- Not found
- Investors
- Not found
- Crunchbase
- Not found
- AngelList
- Not found
Press & Links
- Articles found
- Not found
- Listed on
- Not found
- Blog
- Not found
- Press / News
- Not found
Contacts & Socials
- Socials
- Not found
- Not found
- Phone
- Not found
- Contact page
- Not found
- About page
- Not found
Profile is built from iTunes Lookup + developer site scrape + ML revenue model. Empty fields show "Not found" — additional sources (Crunchbase, X, IndieHackers, Acquire.com) coming.
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