Comparison

XtremeLabs eReader vs Quill

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

XtremeLabs eReader

Features
Read full description

Just launched! A full featured cloud-based e-reader application for reading and working with digital training materials. Built by XtremeLabs, the award-winning company behind the original XtremeLabs hands-on labs and XtremeLabs Marketplace (XLM), XtremeCourseware is the platform for technology students and learning organizations to read and engage with the courseware they need to pass certification exams, in college courses, or for self-study. The app comes in a stunning new design, refreshing eBook Interface, book download capabilities and a host of features to enhance your learning. It seamlessly integrates eBooks with videos, synched audios, image banks and interactivities for an engaging eBook reading experience.

About

Quill

This application enhances your reading experience by providing AI-powered definitions, translations, and contextual explanations for any word or passage within your imported EPUB and PDF books. It offers instant insights to deepen comprehension.

Highlights
  • AI-powered explanations
  • Instant definitions
  • Contextual understanding
  • Import EPUB and PDF
  • Word and passage lookup
Features
Read full description

Quill is an ebook reader with built-in AI that helps you understand what you read. Import your EPUB and PDF books, then tap any word or passage to get instant definitions, translations, and contextual explanations

Screenshots

XtremeLabs eReader4 screens
Quill4 screens

Verdict

The call

The clearest difference is device support: XtremeLabs eReader at 3 against Quill's 1. XtremeLabs eReader also leads on iOS requirement (14.0 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

XtremeLabs eReader ships an update weekly, Quill every 9 days. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.

Scorecard2 real differences · 7 level
XtremeLabs eReader versus Quill: the parameters behind the verdict, then further details
ParameterXtremeLabs eReaderQuill
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyWeekly — betterEvery 9 days
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS14.0 — better17.0
Further details — not scored
Size70 MB20 MB
Age rating4+4+
DeveloperXtremeLabs LLC思涵 岳

In-app purchases

None

XtremeLabs eReader

No in-app purchases

None

Quill

No in-app purchases

Questions

Is XtremeLabs eReader free?
XtremeLabs eReader is free to download, with no in-app purchases.
Is Quill free?
Quill is free to download, with no in-app purchases.
Do XtremeLabs eReader or Quill have ads?
Neither XtremeLabs eReader nor Quill shows ads.
Which is updated more often, XtremeLabs eReader or Quill?
XtremeLabs eReader ships an update weekly, and Quill every 9 days. Most recently, XtremeLabs eReader was updated on October 24, 2026 and Quill on October 23, 2026.

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