No revenue estimate for APPLE — its rating/review counts don't calibrate to sales the way Steam's do. Reviews and prices only.
VOI - puzzle game
• • • Best Games on iPhone; Russia, South Africa, Turkey, Middle East • • • Do you think 1 + 1 = 0 is correct? So what do you think about "black + black = white" statement? According to XOR logic, they are correct. New, mind-bending, minimal puzzle game with dozens of levels and extra-ordinary design. Features: • 88 mind-bending levels • 11 languages • Exclusive for iOS and human brains Follow me: • https://www.facebook.com/gamebra.inGame • https://twitter.com/gamebra_in
MoreLess
Ratings
22593%
read from the US store
Cheapest copy: ≈ $0.71 on App Store · Canada (−28%). Compare 14 prices in 14 markets →
Trends
Historical charts
Price$0.99
$0.99$0.99$1.00$1.00$0.99
Jul '26Aug '26Aug '26Sep '26Sep '26
Price over time on the United States storefront, quoted in USD — from our own daily price tracking. Other markets are listed under "Price by market" in the Prices tab; they are not on this axis, because one line cannot be two currencies.
Showing the last 90 days (the review-based charts: the last 4 monthly points). Full history and CSV export come with a free account.
Related