iBunkoS is a Book app developed by DWANGO Co., Ltd., available on the App Store. It was first released on Feb 25, 2011.

Is iBunkoS successful?

MRRBeam rates the success of iBunkoS 18/100 (early stage). The success score combines rating volume, chart position and average rating.

When was iBunkoS last updated?

iBunkoS was last updated on Sep 4, 2026 (version 3.4.46).

What are alternatives to iBunkoS?

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 iBunkoS?

MRRBeam's opportunity score for iBunkoS is 7/100. Limited opening: an older app, little observable demand and a strong 4.4★ rating.

iBunkoS

DWANGO Co., Ltd.

Store data observed Oct 9, 2026 · From public App Store data · How we score apps

Book
App Store
United States
4.49 ratings
Paid $2.99
Updated 1 mo ago
Observed

App Store

Ratings

Observed

94.4★ average

Chart position

Observed

—Not on the overall top charts

90-day growth

—not enough history yet

Opportunity score

AI-derived

7/100Weak · low confidence

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About iBunkoSObserved

iBunkoS is a Book app by DWANGO Co., Ltd. on the United States App Store. Released Feb 25, 2011; last updated Sep 4, 2026 (version 3.4.46). iBunkoS costs $2.99 to download.

As of Oct 9, 2026, iBunkoS has a 4.4-star average rating from 9 ratings on the United States App Store. MRRBeam rates the success of iBunkoS 18/100 (early stage).

iBunkoS provides you the best way to read novels, documents and comic books on iPhone. Thanks to a realistic interface, you can enjoy reading as you would with a real paper book. Reading on your iPhone is now easier than ever! This is a great iPhone app for all the book lovers!

From the App Store listing

Success score: 18/100 Early stage
In Book: Outside the top 100
Chart position: Not on the overall top charts
Developer: DWANGO Co., Ltd.

iBunkoS: common questions

What is iBunkoS?: iBunkoS is a Book app developed by DWANGO Co., Ltd., available on the App Store. It was first released on Feb 25, 2011.
How is iBunkoS rated?: iBunkoS has a 4.4-star average rating from 9 ratings on the United States App Store as of Oct 9, 2026.
How much does iBunkoS cost?: iBunkoS costs $2.99 to download.
Is iBunkoS successful?: MRRBeam rates the success of iBunkoS 18/100 (early stage). The success score combines rating volume, chart position and average rating.
When was iBunkoS last updated?: iBunkoS was last updated on Sep 4, 2026 (version 3.4.46).
What are alternatives to iBunkoS?: 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 iBunkoS?: MRRBeam's opportunity score for iBunkoS is 7/100. Limited opening: an older app, little observable demand and a strong 4.4★ rating.