Plain Chess vs Knock And Drop
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Plain Chess
Enjoy offline chess matches on your iPhone without ads or accounts. Play against the computer, a friend, or use the AI Coach for strategic advice. Perfect for learning, practicing, or quick games.
- Offline chess play
- Play against computer
- Pass-and-play multiplayer
- AI Coach explanations
- Saved games
- No ads or account required
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Chess without the stress. Play for free as often as you like, learn from a coach that explains your games, and play the people you know. FREE TO PLAY Play Fern, a friendly rival, as often as you like, or pass and play with someone on one iPhone. Your first three games come fully coached, with hints, threat checks, takebacks, coach notes and a full review in games against the rivals and the computer. Solve the daily puzzle, start the lesson library with How Chess Works, and accept any friend's invite. The coach and rival voices are free for everyone. SIX RIVALS WITH REAL PERSONALITIES From Pip, a beginner learning one move at a time, to Nova, an expert who loves to attack, each rival plays at their own level and talks like themselves. Choose how chatty they are: quiet, friendly or spicy. Every rival is an AI and always labeled as one. Fern is always free; the other five come with Plain Chess Coach. LEARN AS YOU PLAY 55 short, hands-on lessons take you from how the pieces move to tactics, checkmates, endgames and your first openings. Each one shows the idea on the board, then lets you find the move yourself. PLAY THE PEOPLE YOU KNOW Play friends through Game Center: a daily game, with up to three days a move, or a live game with a clock. Accepting an invite is always free. Inviting friends, and Play online, which finds a player near your level or one of our AI rivals when nobody's around, come with Plain Chess Coach. No chat, just six friendly reactions. PLAIN CHESS COACH Become a member for everything else: • All six rivals and the classic computer • Coach notes, and unlimited Hint, Threats and takebacks, in games against the rivals and the computer • A review of every game against a rival, the computer or another player online: where it turned, your best move and every mistake, explained in plain words and read aloud if you like. Play any moment again from the review • The full lesson library, 85 opening lessons, and nearly 5,000 checkmate puzzles on a path through ten lands • 300 AI Coach answers a month: ask about your position, typed or out loud • Invite friends and play online • My Games: every game you finish, synced with iCloud Choose Yearly, with a 7-day free trial for eligible new members, or Monthly. Family covers up to six people through Family Sharing, with 50 AI Coach answers a month for each person. Prices vary by country; the app shows your price before you buy. Plain Chess Lifetime, $99 once, includes everything except AI Coach answers. AI Coach answer packs (25, 75 or 250 answers) are available to Lifetime owners, original buyers and members who use up their monthly answers. Already a member, or bought Plain Chess early? You keep everything you have, and your price stays the same while your membership is active. Payment is charged to your Apple Account when you confirm the purchase. A membership renews automatically unless you cancel at least 24 hours before the end of the current period, and your account is charged for renewal within 24 hours before the period ends. Manage or cancel in your Apple Account settings. Deleting the app doesn't cancel a membership. AI Coach needs an internet connection and can make mistakes. No ads, no account to create. Privacy: https://cerebraenterprises.com/plain-chess/privacy Terms: https://cerebraenterprises.com/plain-chess/terms Apple Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Knock And Drop
Engage in a satisfying smash puzzle game where you aim and roll a ball to trigger chain reactions. Knock down jars, crumble stones, and topple towers with skillful throws and strategic angles to clear each colorful arena.
- Satisfying destruction physics
- Skill-based rolling mechanics
- Ever-changing level layouts
- Colorful arena environments
- Chain reaction gameplay
- Domino effect clearing
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Welcome to Knock & Drop! : The Cannon Smash Party! Some things are just meant to be smashed. Load up your cannon, take aim, and fire straight into the arena! Blast through jars, smash wooden crates, knock down towers, and trigger spectacular chain reactions with every shot. One perfectly placed cannonball can bring the whole stage crashing down. Quick Play Guide Load & Aim: Position your cannon and line up the perfect shot. Find the right angle to hit the weakest point of the structure. Fire Away: Launch your cannonball and watch it smash through obstacles, break wooden blocks, and send everything flying. Create the Chain: A single hit can trigger a massive chain reaction. Knock one object into another and keep the destruction going! Clear the Board: Destroy all the targets using as few shots as possible. Plan your attacks, make every cannonball count, and clear the entire arena! Cool Features Satisfying Destruction: Smash jars, break wooden crates, collapse towers, and watch structures burst apart with every powerful impact. Simple Cannon Mechanics: Easy-to-learn aiming and shooting controls that feel instantly satisfying, with plenty of room to master the perfect shot. Chain Reaction Chaos: Hit the right spot and let physics do the rest. One cannonball can turn a stable structure into total destruction. Ever-Changing Levels: Every stage brings a new layout, new obstacles, and a fresh cannon-smashing challenge. Colorful Arenas: Bright, lively environments packed with fun structures and satisfying targets to destroy. Ready to Fire? The cannon is loaded, the targets are waiting, and the arena is yours to destroy. Download Knock & Drop now and let the smashing begin!
Screenshots
Verdict
Plain Chess and Knock And Drop both sit at 4.8 stars, but that hides the real split: 100% of Plain Chess's written reviews are positive against 65% of Knock And Drop's. Plain Chess also leads on ads (none vs shown). Knock And Drop's advantage is monetization model (ad-supported vs paid) and ratings volume (4.2K vs 11). On price, rating, update cadence and in-app purchases 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. Plain Chess sells 10 in-app purchases, starting at $4.99 per month and Knock And Drop sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.8 for Plain Chess against 4.7 for Knock And Drop. That said, the two scores are not equally well evidenced: Knock And Drop has 4.2K ratings behind it against 11, so its average is the more settled of the two. Written reviews are what separate them: 100% of Plain Chess's written reviews are positive against 65% of Knock And Drop's.
Plain Chess ships an update every 4 days, Knock And Drop weekly. Both last shipped on November 10, 2026.
| Parameter | Plain Chess | Knock And Drop |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (11 ratings) — better | 4.7 (4.2K ratings) |
| Positive reviews | 100.0% of reviews — better | 64.9% of reviews |
| Number of ratings | 11 | 4.2K — better |
| Update frequency | Every 4 days — better | Weekly |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Paid | Ad-supported — better |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 117 MB | 427 MB |
| Age rating | 4+ | 12+ |
| Developer | Cerebra Enterprises, LLC | Grand Games A.Ş. |
Customer experience
Plain Chess
Knock And Drop
In-app purchases
Plain Chess
- Plain Chess Monthly$4.991 Month
- Plain Chess Annual7 Days trial$39.991 Year
- Plain Chess Family$69.991 Year
- 25 AI Coach Answers$2.99
- 10 AI Coach Credits$2.99
- 75 AI Coach Answers$7.99
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- 30 AI Coach Credits$7.99
- 250 AI Coach Answers$19.99
- 100 AI Coach Credits$19.99
- Plain Chess Lifetime$99.00
Knock And Drop
- Starter Bundle$0.99
- 1000 Coins$1.99
- Mini Bundle$4.99
Show 7 moreShow fewer
- 5000 Coins$7.99
- Epic Bundle$9.99
- 10000 Coins$14.99
- Premium Bundle$19.99
- 25000 Coins$29.99
- Luxury Bundle$49.99
- Ultimate Bundle$99.99
Questions
Is Plain Chess free?
Is Knock And Drop free?
Which has better reviews, Plain Chess or Knock And Drop?
Do Plain Chess or Knock And Drop have ads?
Which is updated more often, Plain Chess or Knock And Drop?
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