ML revenue forecast.
Calibrated against 14404 apps in this category.
Confidence band
±15%
High — many comparable apps with verified data
At a glance
Earns 4.48× more than the category median (233/mo).
Ranks #1,380 of 14,404 in Adventure (top 9.6% by revenue).
Launched May 06, 2026 · last updated Aug 22, 2025.
What the app looks like
Live screenshots from the Play Store, captured by our snapshot worker. Tap any image to enlarge.
old room -Escape from book-'s revenue trajectory
Forecast revenue from snapshot history. Last 1 months.
Where old room -Escape from book- sits in Adventure
Revenue distribution of 14404 comparable apps. old room -Escape from book- highlighted.
old room -Escape from book- vs comparable apps
Revenue trajectory side-by-side. Bold = old room -Escape from book-, ghosted = peers.
App spec
Version
2.0.4
Last update
Aug 22, 2025
Launched
May 06, 2026
Price
Free
Monetization
Free
What old room -Escape from book- actually does (from store listing)
old room -Escape from book-
*English version.
It is the second phase of a free escape game of android which carries out the tap of the screen and looks for it.
Investigating various items and rooms, let's solve a mystery and escape from the world of a book.
Search every places carefully. You may find useful hints or items.
Some items cannot be used itself.
Use together and set them apart.
Try various possibilities.
Tips of old room
http://izumi-artisan.com/old_room/tips_mb_en.html
…
It is the second phase of a free escape game of android which carries out the tap of the screen and looks for it.
Investigating various items and rooms, let's solve a mystery and escape from the world of a book.
Search every places carefully. You may find useful hints or items.
Some items cannot be used itself.
Use together and set them apart.
Try various possibilities.
Tips of old room
http://izumi-artisan.com/old_room/tips_mb_en.html
Compatible terminal : Android Smartphone
Compliant version : Android 2.1 and upper version
Free of charge
Test Play : 006SH,003SH,IS03
Comparable Android apps
The five apps in Adventure with the closest revenue to old room -Escape from book-. Click any to see its detail page.
Each forecast combines App Store rating, ratings count, monetisation model, pricing tier, IAP signals and ad-supported flag.
The base estimate is then multiplied by a per-category scaling factor learned from apps with founder-verified MRR.
Every number on this page comes from public APIs and bumetric's own snapshot history.
Full methodology covers input variables, accuracy bands per category and how we treat apps without comparable anchors.
See also the live data on old room -Escape from book-'s tracker page for current rating, reviews and snapshot timeline.
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