Public review signal · 400 reviews scanned · scope limited to review patterns.
4.4 ★3,595 ratings
100K+Downloads
4+Age rating
—App size
$0.99In-app purchases
About this app
Grandpa always was a little eccentric. A fantastic engineer, he was always buried in his work, always coming up with new ideas and inventions that as a child held you wide-eyed in awe.
Now, after many years, you return to the house that holds so many fond memories for you, with a promise from Grandpa to show you something truly amazing. You can't even begin to imagine what it could be!
It's a dark and stormy night as you arrive at Grisly Manor. The rain beats down hard, lightning flashes in the sky as the sound of thunder fills your ears. You already feel a little creeped out, but when you make your way inside, the house is curiously empty. Grandpa is nowhere to be found!
But his presence is everywhere.
Familiar objects have been re-engineered to create puzzles for you. Clues abound, and as each puzzle is solved, the solution to others present themselves.…
Preview
Real screenshots from the store listing.
Independent evidence report
Evidence and review signals
This is where the page changes from an app-store listing into an evidence report: findings, important reviews, pricing and a dated history.
What we measured
Each line is a measurement published as a measurement, never a verdict.
Each line is a measurement, published as a measurement. Where we have not looked, the line says so rather than reading as a zero.
Developer replies to reviews
Replies to fewer than 1 review in 20
Price in the store description
States no price and billing period
Cancelling, in the store description
Does not say how to cancel
Themes reported by reviewers
No theme reported
Counted from the reviews we have read for this app. "No theme reported" means no theme reached our reporting threshold — it is not a finding that nothing is wrong with this app, and we do not say it is.
Five-star share of ratings
65–79% five-star
Arithmetic on the stores' own published rating counts. It says nothing about why the ratings fall where they do.
In the package we scanned
No package has been scanned for this app, so nothing is published about what it ships. That is an absence of evidence about the app, not a finding about it.
Graded bands · predicate set 1.4 · how these are measured
What the analysis found
App-specific findings, grouped by what each one rests on. How they are graded lives on its own page.
No review themes cleared the reporting threshold.
Assessment & version history
App changes and Appworthy events in one timeline.
What this app sells
Useful store-disclosed pricing, kept below the app listing.
Business model$0.99
Prices and terms as disclosed by the store listing.