PureLibro: eBook Reader app icon
Apple App StoreApp Store data

PureLibro: eBook Reader

波 余Book4.62 · 365 ratings in United States
Open store
Publisher
波 余
Category
Book
Version
3.3.27
Last updated
Sep 15, 2026
Public page · no login requiredUpdated Sep 28, 2026, 7:05 PM
Country
All countries combined
Store details come from the US App Store. Country figures describe that App Store, not where users live.
Period
7D30D
What we estimate
Downloads and revenue
Revenue is what users spend, before Apple's commission. These are estimates, not the developer's numbers.
Last updated
Sep 28, 2026, 7:05 PM
When we last checked this app.
Data quality
No estimate for this period yet
Not enough data yet.

Research answer

What AppTrendKit can say about PureLibro: eBook Reader today

PureLibro: eBook Reader has no estimate-backed download or gross-consumer-spend figure that meets the public evidence contract yet.

Observed App Store metadata, chart positions, and history are shown below. Missing, non-finite, undefined-currency, or undefined-metric evidence stays missing rather than becoming zero.

Performance

Downloads, revenue and chart history

Estimates for the last 7D. Chart positions come from the App Store; downloads and revenue are AppTrendKit estimates, shown as a size band (for example 10K–50K) with a confidence level.

Estimated downloads · 30D

Upper limit

Under 5K

Below the top 100 in Book (US)

The app is not in its category's top 100, so it has less than the app ranked #100 there. We show this limit until we have enough data for an estimate.

Estimated App Store gross consumer spend · 30D

Upper limit

Under $200K

Below the top 100 in Book (US)

The app is not in its category's top 100, so it has less than the app ranked #100 there. We show this limit until we have enough data for an estimate.

Revenue growth · 30D
—
Download growth · 30D
—
Grossing rank
—
Free rank
—

History

Collected daily performance

No daily history yet.

No backfilled days
Daily numbers appear after a few days of data.

Rank history

Chart positions

Lower rank is better. Only collected observations are shown.

No positive rank observations are stored for this storefront yet.

Coverage note

What the ranks mean

A missing rank is not treated as zero downloads or zero revenue. Apple chart feeds are bounded and may return censored or not-ranked observations outside the visible chart depth.

Read the method

App Store search

Keywords PureLibro: eBook Reader ranks for

Observed positions in Apple's US search results, best first. Popularity is a 0–100 index, not a search count.

KeywordPositionChangePopularityDifficulty
epub#17new6353

Storefront mix

Top countries by estimated contribution · 7D

Country figures cover the days we collected in each country, so they don't add up to the worldwide estimate. Each country shows when it was last updated.

No 7D country-level economics have been persisted for this app yet.

Monetization

How the app makes money

Classification
Free listing
Price
Free
In-app purchases
—
Subscriptions
—

These are listing and product observations. They are not company revenue, subscriber counts, or advertising revenue.

App details

Store metadata

Version
3.3.27
Released
Jan 15, 2021
Last updated
Sep 15, 2026
Content rating
17+
Default storefront
US

Public IAP observations

Validated in-app purchase prices

Only persisted rows with an explicit public publication boundary are shown. Missing price, currency, country, or date values stay unknown.

Unavailable
No validated public IAP price observations have been persisted for this app yet.

Listing detail

What the store says

PureLibro is a multi-format reader for novels, comics, PDFs, local files, and remote libraries. Feature Highlights. Everything is designed for better reading. 1. Rich format support: supports popular formats including TXT, EPUB, MOBI, AZW3, AZW, CBZ, CBR, PDF, ZIP, and RAR (DRM-free files only). 2. Comic reader: supports ZIP, RAR, CBZ, and CBR comic archives. PDF, EPUB, and MOBI files can also be switched to comic mode with one tap, making it ideal for comics, art books, and image-rich content. 3. Remote library streaming reading (comic mode): supports remote libraries such as SMB, OPDS and WebDAV. On servers that support streaming access, ZIP, RAR, CBZ, CBR, and PDF files can be opened without fully downloading them first, saving local storage space. 4. AI-based image enhancement: supports Waifu2x / Anime4K to improve comic image quality (comic mode only). 5. iCloud sync: keeps reading progress and book data consistent across your devices. 6. Data backup: package your reading data with one tap and save it to cloud drives or other storage locations for extra peace of mind. 7. TXT file editing: edit TXT content directly for easier reading and organization. 8. Multiple import methods: import books via WebDAV, cloud drives, Wi-Fi transfer, iCloud, and more. 9. Auto reading: free your hands and make long reading sessions more comfortable. 10. Personalized layout: customize character spacing, paragraph layout, background images, and text colors to create your own reading style. 11. Eye-friendly reading: supports dark mode, page curl, slide, scrolling, and other reading modes, with Simplified/Traditional Chinese conversion. 12. Privacy protection: supports password, gesture, and Face ID unlock, and allows you to encrypt or hide books to protect your personal reading space. 13. Reading statistics: records reading duration, frequency, progress, and more to help you understand your reading habits. 14. Flexible book management: supports custom groups, title editing, and sorting for a clearer library. 15. Custom covers: customize covers for TXT and other books to make your bookshelf look better. 16. Automatic chapter detection: TXT novels can also be divided into chapters with one tap, improving the long-form reading experience. 17. Multiple font options: use system fonts or import custom fonts. 18. Multiple listening voices: supports system text-to-speech and Alibaba Cloud speech synthesis, with multiple voices to choose from. -- Pro benefits: After subscribing to Pro, you can use all Pro advanced features during the service period and remove all ads. -- Monthly subscription (1 month), quarterly subscription (3 months), and yearly subscription (1 year) are auto-renewable subscriptions. -- The actual product price applies. The purchase price will be charged in your local currency according to the current exchange rate defined by iTunes. Payment will be charged to your iTunes account upon confirmation of purchase. 【Monthly, Quarterly, and Yearly Auto-Renewable Subscription Services】 -- If you subscribe to the monthly, quarterly, or yearly auto-renewable service, you authorize Window Reading to charge your iTunes account (the “Account”) for the next billing cycle of the Pro service within 24 hours before the current subscription period expires. If the charge fails due to insufficient account balance, Window Reading reserves the right to suspend or terminate your Pro service without further notice. -- To cancel an active auto-renewable subscription, go to “Settings” on your iOS device → “iTunes Store & App Store” → select “Apple ID” → tap “View Apple ID” → tap “Subscriptions” on the account settings page → cancel the subscription. -- Privacy Policy: https://gitee.com/coder_to/luck/blob/master/App/Privacy.md -- Terms of Service and Auto-Renewal Terms: https://gitee.com/coder_to/luck/blob/master/App/serviceForMembers.md Icon Design Studying icons created by Freepik - Flaticon

Publisher website

Store creative

Screenshots

PureLibro: eBook Reader screenshot 1
Screenshot 1
PureLibro: eBook Reader screenshot 2
Screenshot 2
PureLibro: eBook Reader screenshot 3
Screenshot 3
PureLibro: eBook Reader screenshot 4
Screenshot 4
PureLibro: eBook Reader screenshot 5
Screenshot 5
PureLibro: eBook Reader screenshot 6
Screenshot 6
PureLibro: eBook Reader screenshot 7
Screenshot 7

Competitive set

Similar apps

Deterministic links to real stored apps matched by category, publisher, and comparable performance bands.

Explore the full catalog →

How we estimate

Where every number comes from

App details: Apple iTunes Search API, updated Sep 28, 2026, 7:05 PM.

Rankings: collected chart positions from the listed storefront. Missing ranks are not zeros.

Economics: downloads and gross store consumer spend are estimated, not official Apple or publisher figures.

Model: Lineage not exposed by this aggregate.

Confidence: —; intervals widen when evidence or history is limited.

Last updated: Sep 28, 2026, 7:05 PM.

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Open methodology
Generated —Public data · no login required