KO Reader
Store data observed · From public App Store data · How we score apps
- Book
- App Store
- United States
- 3.73 ratings
- Paid $3.99
- Updated
- Observed
Ratings
Observed33.7★ average
Chart position
Observed—Not on the overall top charts
90-day growth
—not enough history yet
Opportunity score
AI-derived70/100Promising · low confidence
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About KO ReaderObserved
KO Reader is a Book app by James Carrell II on the United States App Store. Released Apr 16, 2026; last updated Apr 16, 2026 (version 1.0). KO Reader costs $3.99 to download.
As of Oct 8, 2026, KO Reader has a 3.7-star average rating from 3 ratings on the United States App Store. MRRBeam rates the success of KO Reader 13/100 (early stage).
KO Reader turns web articles, ebooks, and PDFs into natural-sounding speech — entirely on your device. No cloud, no tracking, no subscriptions. Paste a URL or open an EPUB or PDF, and KO Reader reads it aloud with a neural AI voice.
- Success score
- 13/100 Early stage
- In Book
- Outside the top 100
- Chart position
- Not on the overall top charts
- Developer
- James Carrell II
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Top Book apps
The most successful Book apps MRRBeam tracks in the United States.
KO Reader: common questions
- What is KO Reader?
- KO Reader is a Book app developed by James Carrell II, available on the App Store. It was first released on Apr 16, 2026.
- How is KO Reader rated?
- KO Reader has a 3.7-star average rating from 3 ratings on the United States App Store as of Oct 8, 2026.
- How much does KO Reader cost?
- KO Reader costs $3.99 to download.
- Is KO Reader successful?
- MRRBeam rates the success of KO Reader 13/100 (early stage). The success score combines rating volume, chart position and average rating.
- When was KO Reader last updated?
- KO Reader was last updated on Apr 16, 2026 (version 1.0).
- What are alternatives to KO Reader?
- Similar Book apps tracked by MRRBeam include Amazon Kindle: Reading App, Audible: Audiobooks & Podcasts, Libby, the library app, Hoopla: Your Library Anywhere and Goodreads: Book Tracker & More.
- Is there room to build a competitor to KO Reader?
- MRRBeam's opportunity score for KO Reader is 70/100. A recent launch with a thin review footprint (3 reviews) and a weak 3.7★ rating.