DUO vs PlopIt!
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
DUO
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If you love Sudoku, Binary puzzles, or Takuzu, get ready for a fresh mental workout. DUO takes the classic logic grid concept and refines it into a sleek, modern experience designed to test your deductive reasoning and spatial intelligence. HOW IT WORKS Every move is a balance. Your goal is to fill the grid with symbols (Hearts, Spades, Diamonds, Clubs) while obeying three strict rules. No math is required: just pure logic. GAME FEATURES Infinite Logic Challenges From quick 4x4 warm-ups to massive 12x12 Expert grids, there is a level for every mood. Whether you have 2 minutes or 2 hours, DUO keeps your brain sharp. Classic & Quad Modes Classic: Play with 2 symbols for a Zen binary experience. Quad Mode: Step up the difficulty with 4 symbols for an expert-level challenge. Deep Statistics & Streaks Track your brain training journey with detailed stats. Monitor your Win Rate, visualize your Daily Streak on the calendar, and race against your own "Best Time" across all difficulty levels. Smart Solving Tools Don't just guess, deduce! Use Notes to visualize possibilities before you commit. Stuck on a hard pattern? Use smart Hints to break through or Error Highlighting to catch mistakes instantly. Customize Your Experience Make the game yours with unlockable themes and board styles. Themes: Switch between Sunset, Forest, and our beautiful Dark Mode. Styles: Choose from Minimal, Neon, or Dot-style grids. Controls: Toggle "Select & Place" for speed or classic tapping for precision. Why play DUO? It’s more than just a game; it’s a gym for your brain. Perfect for fans of grid puzzles, crosswords, and Sudoku who want a clean, minimalist experience without the clutter. Download DUO today. Do you have the logic to balance the grid? EULA Please visit https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
PlopIt!
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PlopIt! is a fast, addictive physics puzzle wrapped in a neon cosmic world. Pull back, aim with precision, and launch the ball toward the glowing target. When it lands just right — plop! — the level is yours. Every shot matters. You only get a limited number of throws, and each miss trims your payout. Weave around glass-like obstacles, read the angles, and find the perfect line into the target. Simple to learn in seconds, hard to master when the layouts get tricky. Handcrafted levels ramp up in challenge. Early stages teach the feel of the pull-and-release controls; later ones ask for sharper aim, smarter bounces, and cooler nerves. Chase a higher total score, unlock the next stage, and see how far you can go in one sitting — or come back for “just one more try.” Your progress is saved as you clear levels, so you can pick up right where you left off. Quick sessions, one-handed controls, and that satisfying plop when everything lines up. FEATURES • Satisfying physics-based pull, aim, and launch gameplay • Neon cosmic visuals with glowing targets and arcade energy • Handcrafted levels with increasing difficulty • Limited throws and score pressure that reward clean play • Level progress and total score tracking • Quick sessions made for play anytime Whether you have a minute on the bus or an evening to keep climbing, PlopIt! is built for that “one more level” loop. Pull. Aim. Plop. Can you clear them all?
Screenshots
Verdict
The clearest difference is in-app purchases: PlopIt! at none against DUO's 10. PlopIt! also leads on ads (none vs shown). DUO's advantage is iOS requirement (16.0 vs 26.0). On price 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. DUO sells 10 one-off in-app purchases. PlopIt! asks for nothing beyond the download.
| Parameter | DUO | PlopIt! |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Every 10 days |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 63 MB | 4 MB |
| Age rating | 17+ | 4+ |
| Developer | PYDE TECHNOLOGIES LTD | BATUHAN AYDOENER |
In-app purchases
DUO
- Emoji Symbols$0.99
- Dots Board$0.99
- Neon Symbols$0.99
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- Geometric Symbols$0.99
- Nature Symbols$0.99
- Slate Board$0.99
- Thick Board$0.99
- Paper Board$0.99
- Sunset Theme$0.99
- Glass Board$0.99
PlopIt!
No in-app purchases









