Comparison

White Nightmare vs Pi Answer Game

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

White Nightmare

Features
Read full description

Simple! Find the pure white color blocks. It is very hard, you hard to see which one is true white color.

About

Pi Answer Game

Test your memory of pi digits with this engaging game. Choose from timed or untimed modes, practice specific digit sequences, and compete globally to become a pi master. Fill in missing digits to train your recall.

Highlights
  • No time limit mode
  • 30-second time limit mode
  • Practice mode with specific digit jumps
  • Global player competition
  • Fill-in-the-gap answering
  • Dark mode support
Features
Read full description

Pi Answer Game is a fun and addictive pi game. There is a no time limit mode and a 30 second time limit mode to test your pi memory. There is also a practice mode where you can jump to a specified number of digits and memorize them. Compete with players from around the world to become a pi master! Fill in the gaps by answering pi and train your memory! Dark mode supported.

Screenshots

White Nightmare4 screens
Pi Answer Game4 screens

Verdict

The call

The clearest difference is in-app purchases: White Nightmare at none against Pi Answer Game's 1. Pi Answer Game's advantage is update cadence (weekly vs every 16 months). On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Pi Answer Game sells 1 one-off in-app purchase. White Nightmare asks for nothing beyond the download.

UpkeepUpdate frequency

White Nightmare ships an update every 16 months, Pi Answer Game weekly. The most recent releases landed on November 7, 2026 and November 12, 2026 respectively.

Scorecard2 real differences · 8 level
White Nightmare versus Pi Answer Game: the parameters behind the verdict, then further details
ParameterWhite NightmarePi Answer Game
PriceFreeFree
Rating—5.0 (2 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—2 — better
Update frequencyEvery 16 monthsWeekly — better
AdsYesYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size90 MB37 MB
Age rating4+4+
DeveloperOscar TsangHokushi Hara

In-app purchases

None

White Nightmare

No in-app purchases

1 purchases

Pi Answer Game

One-time1
  • Remove ads$4.99

Questions

Is White Nightmare free?
White Nightmare is free to download, with no in-app purchases.
Is Pi Answer Game free?
Pi Answer Game is free to download, with in-app purchases available.
Do White Nightmare or Pi Answer Game have ads?
Both White Nightmare and Pi Answer Game show ads.
Which is updated more often, White Nightmare or Pi Answer Game?
White Nightmare ships an update every 16 months, and Pi Answer Game weekly. Most recently, White Nightmare was updated on November 7, 2026 and Pi Answer Game on November 12, 2026.

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