Cepher
Store data observed · From public App Store data · How we score apps
- Book
- App Store
- United States
- 4.1334 ratings
- Paid $21.99
- Updated
- Observed
Ratings
Observed3344.1★ average
Chart position
Observed—Not on the overall top charts
90-day growth
—not enough history yet
Opportunity score
AI-derived25/100Weak · low confidence
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About CepherObserved
Cepher is a Book app by Cepher Publishing LLC on the United States App Store. Released May 20, 2016; last updated Apr 3, 2026 (version 22.0.51). Cepher costs $21.99 to download.
As of Oct 8, 2026, Cepher has a 4.1-star average rating from 334 ratings on the United States App Store. MRRBeam rates the success of Cepher 31/100 (early stage).
Note to existing app users: If you are having trouble installing the new version, DO NOT UNINSTALL or you will LOSE YOUR NOTES! Please contact support with error messages and/or screenshots so we can assist!
- Success score
- 31/100 Early stage
- In Book
- Outside the top 100
- Chart position
- Not on the overall top charts
- Developer
- Cepher Publishing LLC
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Cepher: common questions
- What is Cepher?
- Cepher is a Book app developed by Cepher Publishing LLC, available on the App Store. It was first released on May 20, 2016.
- How is Cepher rated?
- Cepher has a 4.1-star average rating from 334 ratings on the United States App Store as of Oct 8, 2026.
- How much does Cepher cost?
- Cepher costs $21.99 to download.
- Is Cepher successful?
- MRRBeam rates the success of Cepher 31/100 (early stage). The success score combines rating volume, chart position and average rating.
- When was Cepher last updated?
- Cepher was last updated on Apr 3, 2026 (version 22.0.51).
- What are alternatives to Cepher?
- 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 Cepher?
- MRRBeam's opportunity score for Cepher is 25/100. Limited opening: an older app, a crowded category with entrenched leaders and low price points.