Plan B vs ATECCO
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Plan B
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Plan B: Second Best is a fast-paced abstract strategy game for two players. Place your pieces, block your opponent — and when things go wrong, invoke Plan B to force a do-over. HOW TO WIN • Get 4 of your pieces in a row around the ring • Or stack 3 of your own pieces on one space HOW TO PLAY Each turn, place a piece from your reserve onto any open space. Once your reserve is empty, move one of your top pieces to an adjacent or opposite space. Simple to learn — hard to master. THE PLAN B RULE After your opponent moves, tap PLAN B to cancel their move and force them to play differently. They can't repeat the same move — and you can't veto their second attempt. One veto. Use it wisely. GAME MODES • Casual — Plan B can cancel any move, even a winning one • No Mercy — Winning moves are final. Plan B cannot stop them VS COMPUTER Four difficulty levels from Easy to Expert. The Expert CPU uses deep search and will fight for every space on the board. FEATURES • Local two-player on one device • Four AI difficulty levels • Two Plan B rule variants • Interactive tutorial for new players • No account or login required • No pay-to-win — just strategy Think you can outsmart your opponent? Download Plan B: Second Best and find out.
ATECCO
Engage in a deduction card game where you guess your opponent's secret card based on its traits. Enjoy multiple game modes, including head-to-head play, CPU challenges, and online matches, with over 700 cards across 15 diverse themes.
- Deduction card gameplay
- Multiple game modes (Guess What, Memory, Trait Karuta, Card Combo, Perfect Match)
- Play with friends, CPU, or online
- Over 700 cards across 15 themes
- Educational trivia with each card
- No account required
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ATECCO is a deduction card game where you guess your rival's secret card from its traits. Play with a friend on one device, against the CPU, or online. ■ Four ways to play [Guess What] The main deduction game Each player picks a secret card, then narrows down the rival's card with Yes/No trait questions like "Can it fly?" Outwit each other using Pass, Mirror, and Name questions. ・2 players on one device / vs CPU / Online [Daily Puzzle] One puzzle a day, the same one for everyone Everybody solves the same puzzle each day, and fewer questions ranks you higher. Once per game your opponent refuses to answer — is it protecting its card, or just bluffing? Tap a row in the ranking to see the exact order another player asked. ・Solo, once a day [Memory] Memory meets strategy Match pairs to collect the most cards. Four skills — Peek, One More, Shuffle, and Steal — turn a memory game into a battle of wits. Choose a board of 12, 20, or 36 cards. ・Solo time attack / 2 players / vs CPU [Trait Karuta] A test of reflexes Grab the card matching the called trait before your rival does. Two-player mode uses landscape view so both players share one board. ・Solo time attack / 2 players / vs CPU ■ 19 themes, 909 cards Animals, Dogs, Dinosaurs, Plants, Foods, Sweets, Japanese Prefectures, Countries, Flags, Landmarks, People, Historical Figures, World Mythology, Vehicles, Sports, Instruments, Inventions, Elements, and Jobs ■ Learn while you play Every card comes with a piece of trivia, so you pick up knowledge as you play. Browse them anytime in the Card Library. ■ Great for ・Passing one phone around with family and friends ・Playing solo in spare moments ・Learning together with kids ・Facing off online against someone new No account required. Just open and play.
Screenshots
Verdict
The clearest difference is update cadence: Plan B at every 2 days against ATECCO's every 9 days. Plan B also leads on iOS requirement (13.0 vs 15.0). 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.
Plan B ships an update every 2 days, ATECCO every 9 days. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.
| Parameter | Plan B | ATECCO |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| Update frequency | Every 2 days — better | Every 9 days |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | — | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 31 MB | 467 MB |
| Age rating | 4+ | 4+ |
| Developer | Maya Johnson | Tsubasa Sakamoto |
In-app purchases
Plan B
No in-app purchases
ATECCO
No in-app purchases









