BookOfFish is made and published by NITROS INC. AppBrain is an independent app data site and isn't affiliated with NITROS INC. The app name, icon, screenshots and description belong to NITROS INC and are shown as published on Google Play.
AppBrain's verdict
Removed- Total installs
- 54
- Last updated
- November 4, 2025
BookOfFish is no longer on Google Play. It was there for 9 months, until August 2026. It was a niche app, with 54 installs. It had too few ratings to say what users thought.
Installs
Tracked by AppBrain- Play install range
- 50+
- Launched
- October 2025
Installs over time
The year before it was removed from Google Play, up to August 2026
BookOfFish was installed 54 times before it was removed.
Competitors
Similar apps and more from NITROS INCMore from NITROS INC
Releases
Updates seen on Google Play- Version
- 0.1.67
- Launched
- October 2025
User feedback
Ratings and reviews on Google PlayComments on BookOfFish for Android
We don't have enough comments to show example comments. Please check back later.
Technology
Found in the app by AppBrain- Ads
- Contains ads
- Price
- Free
- Libraries
- ?
- App size
- 109.7 MB
- Content rating
- Everyone
Technologies used by BookOfFish
About the app and developer
About BookOfFish
BookOfFish was a casual app developed by NITROS INC. It was removed from Google Play Aug 7, 2026.
Install Statistics
BookOfFish had been installed 54 times before it became unavailable.
User Ratings
The app had no ratings.
App Information
BookOfFish was free. The app size was 109.71 MB. The last available version was 0.1.67. The last update was on November 4, 2025.
Technical Requirements
The app had a content rating of Everyone. The app had been available on Google Play since October 2025.
App Performance Report
Get a detailed PDF report for BookOfFish with download trends, rating history, and key performance statistics — useful for competitive research or tracking your own app. Learn more
Get PDF Report — $29Developer information for NITROS INC
Frequently asked questions about BookOfFish
Is BookOfFish free?
Yes. BookOfFish was free on Google Play.
Is BookOfFish still available?
No. BookOfFish was removed from Google Play. We last saw it there Aug 7, 2026.
Does BookOfFish contain ads?
Yes. Google Play listed BookOfFish as containing ads.
How large is BookOfFish?
BookOfFish is 109.71 MB.
Is BookOfFish suitable for children?
Google Play rates the content of BookOfFish as suitable for everyone.
How many times has BookOfFish been installed?
Google Play listed 50+ installs for BookOfFish.
Who made BookOfFish?
BookOfFish was developed by NITROS INC. It was listed in the casual category on Google Play.
What are the best alternatives to BookOfFish?
People looking at BookOfFish also look at these casual apps: Virtual Fisher Mobile, Fish Away: Idle Fishing, Fish rain: sport fishing, Fishing Club 3D: Simulation, Fishing Break.
Store listing
By NITROS INC, from Google PlaySimilar apps
“Idle clicker on Book of Fish. Collect rare fish and complete your record!”
Description by NITROS INC Written by the developer, not by AppBrain. Click to read.
Join Jeong Yak-jeon, Chang-dae, and Gageo-daek on a fishing journey to create Korea’s first illustrated fish encyclopedia — the BookOfFish.
Fish recorded in the completed BookOfFish are displayed in the village aquarium, where visitors pay admission in coins.
Spend those coins to craft a variety of Rods and boats.
Collect helpful Fishers and adorable divine Pets to hunt down legendary fish!
★ 📙 Collections★
- Catch fish to fill your Collections! When you catch a required number of a species, its information will appear in the Collections.
★ ⚔️ Upgrade ★
- Upgrade all fishers to catch stronger fish! Use proceeds from selling fish to improve all fishers abilities.
★ 🎣 Rod ★
- Catch boss fish to obtain Rod materials and craft different Rods. Each Rod has unique properties!
★ 📘 Skill ★
- After crafting a Rod, acquire Skills needed for fishing! Skills activate automatically and breathe life into your fishing.
★ 🏰 Fisher ★
- Fishing alone is hard — recruit Fishers to help you catch more fish!
★ 🐾 Pet ★
- Equip Pets that boost stats and challenge stronger fish!
★ 🏠 Town ★
- Upgrade your boat in the Town and take more Fishers aboard. Unlock new visual styles!
★ 🚩 Dungeon ★
- Fish for boss monsters in themed Dungeons to obtain additional items!
Unlike traditional fishing systems, all processes run automatically — unlock multiple regions as you progress! Explore over 200 fish species across 40 locations. Chat with other players and exchange information, then level up to climb the rankings!
The game is continuously updated. Create your own BookOfFish!
[Data Collected in the App]
App activity
Device or other IDs
Personal information
- User ID
[Security Practices]
Data is encrypted during transmission
Users can request data deletion
Recent changes:
App stability has been improved.