o vs Crystara
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
o
Engage in a sci-fi adventure managing atomic synthesis reactions. Collect and combine atoms to create elements, conduct experiments, and build a warp tower to save the world. Utilize unique tools and catalysts in a captivating storyline.
- Manage atomic synthesis
- Conduct experiments and research
- Build a warp tower
- Use catalysts and tools
- Immersive sci-fi storyline
- Easy controls
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Welcome to the world of scientific discoveries and thrilling adventures with o-o-O!. Become Professor Solarius's assistant and manage the atomic synthesis reaction in this unique sci-fi game! Game Features: • Manage Atomic Synthesis: Collect and combine atoms to create new elements and release energy. Every action you take matters! • Experiments and Research: Assist Professor Solarius in conducting complex experiments and discovering new synthesis formulas. Be ready for unexpected findings and exciting tasks! • Build the Warp Tower: Construct the warp tower and help the professor travel to the orbit of a black hole to destroy the dangerous prime atom. Be a part of this grand project! • Use Catalysts and Tools: Utilize various catalysts and unique tools to manage the reaction and complete challenging tasks. Each tool has special properties that will help you overcome any obstacles. • Sci-Fi Storyline: Immerse yourself in a captivating storyline filled with scientific discoveries, perilous experiments, and epic journeys into the depths of space. • Easy Controls: Intuitive interface and easy controls make the game accessible for all ages and skill levels. Download o-o-O! now and discover a world of science, adventure, and endless possibilities! Become a hero of scientific fiction and save the world from the threat posed by dangerous atoms!
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 in-app purchases: Crystara at none against o's 1. 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
Both are free to download. o sells 1 one-off in-app purchase. Crystara asks for nothing beyond the download.
| Parameter | o | Crystara |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 17 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Jury Shortki | ROKONTECH LLC |
In-app purchases
o
- A Pile of Stars$0.99
Crystara
No in-app purchases









