MDonkey vs Crystara
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
MDonkey
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【Not just a game, but an experiment in evolution】 Inspired by the famous "Ayumu Project" at Kyoto University. A chimpanzee named Ayumu demonstrated an eidetic memory capability that leaves most humans in the dust. It makes us wonder: along the millions of years of evolution, as we gained language and logic, did we lose some primal, powerful instincts? This app brings that legendary laboratory challenge to your phone. 【The Core Challenge】 Numbers flash on the screen and vanish in the blink of an eye. You must tap them in the correct order relying solely on your instantaneous visual afterimage. Eidetic (0.5s): Think like Ayumu. Challenge the limits of humanity. Average (2.0s): A starting point for most sapiens. Rote (10.0s): Take your time. For those who admit defeat (jk). 【Ultimate Experience】 To replicate the purest reaction test, we've optimized this app to the millisecond: Zero-Latency Audio: Built with iOS SystemSound API for instant feedback the moment you touch. Fluid Interaction: No superfluous animations to drag down your reaction speed. Minimalist Aesthetic: High-contrast black and white design to keep you hyper-focused. 【Secret Features】 Too hard or too easy? Try a LONG PRESS on the start button. Want to know the story? Try SHAKING your phone. This might be the simplest game on your phone, yet the hardest challenge you'll ever face. Can you reclaim your primal power?
Crystara
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Crystara is a beautifully crafted block puzzle game with sparkling gem visuals and satisfying gameplay. Drag and drop colorful gem blocks onto an 8x8 board, complete rows and columns to clear them, and chase your highest score! EASY TO LEARN, HARD TO MASTER Simply drag gem-shaped blocks from the tray onto the board. Fill an entire row or column to clear it and earn points. Plan your moves carefully — the game ends when no more pieces can be placed! FEATURES - Stunning crystal gem visuals with glowing effects and particle animations - Smooth drag-and-drop controls with haptic feedback - 7 unique gem types with vibrant colors - Diverse block shapes from simple singles to challenging pentominoes - Combo system — clear multiple lines in a row for massive score multipliers - Progressive leveling — difficulty scales as you improve - Undo feature — watch a short video to take back your last move - Continue option — watch a video ad to keep playing after game over - Offline play — no internet required to enjoy the game - Clean, distraction-free design with a cosmic starry background Perfect for quick sessions or long puzzle marathons. How high can you score?
Screenshots
Verdict
The clearest difference is iOS requirement: Crystara at 15.0 against MDonkey's 17.6. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | MDonkey | Crystara |
|---|---|---|
| Price | Free | Free |
| Update frequency | Daily | — |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | PENG LI | ROKONTECH LLC |
In-app purchases
MDonkey
No in-app purchases
Crystara
No in-app purchases








