Four Arithmetic Operations vs Unlock
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Four Arithmetic Operations
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“Four Arithmetic Operations” is a free game application. Choose the arithmetic operator(+−×÷), as expression is correct .
Unlock
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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
Verdict
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
Both are free to download. Unlock sells 1 one-off in-app purchase. Four Arithmetic Operations asks for nothing beyond the download.
| Parameter | Four Arithmetic Operations | Unlock |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Daily |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 7.1 — better | 17 |
| Further details — not scored | ||
| Size | 11 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Yu Saito | Pierre Boudoin |
In-app purchases
Four Arithmetic Operations
No in-app purchases
Unlock
- Premium Version$2.99
Questions
Is Four Arithmetic Operations free?
Is Unlock free?
Do Four Arithmetic Operations or Unlock have ads?
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