Comparison

Four Arithmetic Operations vs Unlock

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

Head to head
About

Four Arithmetic Operations

Features
Read full description

“Four Arithmetic Operations” is a free game application. Choose the arithmetic operator(+−×÷), as expression is correct .

About

Unlock

Features
Read full description

Can you feel the click? Master the art of safe cracking in this unique puzzle game where your success depends on your sensitivity to subtle haptic feedback and sound cues. THREE THRILLING GAME MODES: Arcade - Perfect your safe-cracking skills through increasingly challenging levels Time Attack - Race against the clock to crack codes faster than ever Tournament - Compete with players worldwide to become the ultimate safe cracker UNIQUE HAPTIC GAMEPLAY: Experience safe cracking like never before! Feel every subtle movement of the dial through your device's advanced haptic feedback system. Listen carefully to the mechanisms and trust your touch – every click matters! INTUITIVE CONTROLS: Rotate the dial with precision using smooth touch controls Feel the subtle resistance points through haptic feedback Listen for crucial audio cues that guide you to the solution Master the perfect combination of touch, sound, and timing FEATURES: Dozens of challenging safes to crack Progressive difficulty that tests your skills Unique haptic feedback system Crystal-clear sound design Global leaderboards Regular tournaments Achievement system Minimalist, elegant design PERFECT FOR: Puzzle enthusiasts looking for a fresh challenge Players who love unique gaming mechanics Anyone seeking a satisfying gaming experience Those who enjoy competitive puzzle games Can you crack the code? Download now and put your safe-cracking skills to the test! New safes and challenges added regularly!

Screenshots

Four Arithmetic Operations2 screens
Unlock4 screens

Verdict

The call

The clearest difference is in-app purchases: Four Arithmetic Operations at none against Unlock's 1. Four Arithmetic Operations also leads on iOS requirement (7.1 vs 17). On price, ads and device support 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. Unlock sells 1 one-off in-app purchase. Four Arithmetic Operations asks for nothing beyond the download.

Scorecard2 real differences · 4 level
Four Arithmetic Operations versus Unlock: the parameters behind the verdict, then further details
ParameterFour Arithmetic OperationsUnlock
PriceFreeFree
Update frequency—Daily
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPodiPhone, iPad
Requires iOS7.1 — better17
Further details — not scored
Size11 MB7 MB
Age rating4+4+
DeveloperYu SaitoPierre Boudoin

In-app purchases

None

Four Arithmetic Operations

No in-app purchases

1 purchases

Unlock

One-time1
  • Premium Version$2.99

Questions

Is Four Arithmetic Operations free?
Four Arithmetic Operations is free to download, with no in-app purchases.
Is Unlock free?
Unlock is free to download, with in-app purchases available.
Do Four Arithmetic Operations or Unlock have ads?
Neither Four Arithmetic Operations nor Unlock shows ads.

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