Janken Drop vs Stack Tank
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Janken Drop
Engage in a unique falling-object puzzle game where rock-paper-scissors determines gameplay. Simple touch controls make it accessible for all ages, offering thrilling moments and a global ranking system.
- Rock-paper-scissors gameplay
- Simple touch controls
- Exciting, thrilling moments
- Consecutive win bonuses
- Global ranking system
- Beautiful graphics and music
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"Janken Drop" is a new falling-object game themed around rock-paper-scissors (known as "janken" in Japan). Players touch the screen to move the falling "hands" left and right, and engage in rock-paper-scissors with the stacked "hands". Despite its simple rules, the game offers exciting and thrilling gameplay. Features: - Simple Controls: Easy to play with just a touch of the screen. Fun for all ages, from children to seniors. - Exciting Gameplay: The outcome of rock-paper-scissors determines whether the "hands" disappear or grow larger, providing thrilling moments. Win consecutively to earn bonus points and aim for a high score. - Beautiful Graphics and Music: Stunning graphics and beautiful music enhance the game's immersive experience. Enjoy both visually and aurally. - Ranking System: Compete with players from around the world. Aim to top various rankings and prove your skills. How to Play: 1. Touch the screen to move the falling "hands" left and right and stack them. 2. When a falling "hand" collides with a stacked "hand", a game of rock-paper-scissors ensues. 3. If the falling "hand" wins, the stacked "hand" disappears and you earn points. Win consecutively for bonus points. 4. If the falling "hand" loses, it grows larger and becomes easier to stack. 5. The game ends when the stack of "hands" reaches the top of the screen. This game is perfect for short play sessions, making it ideal for passing time or taking a break. Despite its simple rules, the game has deep gameplay that will challenge you to aim for the highest score. Download "Janken Drop" now and experience the thrilling world of rock-paper-scissors!
Stack Tank
Engage in a roguelike tank survival experience, mowing down hordes of enemies. Acquire and stack new turrets during combat to create a "Moving Fortress" with exponential firepower. Fuse turrets into devastating "Super Weapons" and master diverse mission modes for ultimate stress relief.
- Infinite turret stacking mechanic
- Infinite evolution and super fusions
- Diverse mission modes
- Satisfying grass-cutting action
- One-finger controls
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Experience the ultimate adrenaline rush in this Roguelike Tank Survivor game! Mow down endless swarms of enemies, stack your arsenal to new heights, and witness the power of infinite evolution. Key Features: - 【Infinite Turret Stacking】Unlock the Stacking Mechanic! Acquire new turrets during combat and stack them onto your tank. Watch your vehicle transform into a towering "Moving Fortress" with exponential firepower! - 【Infinite Evolution & Super Fusions】 Choose from a massive variety of unique turrets with random upgrades. Reach the peak of evolution by fusing specific combinations into devastating "Super Weapons" to obliterate the screen. - 【Diverse Mission Modes】It's more than just survival! Master intense missions including Push, Tower Siege, Escort, Defense, and Interception. Every stage brings a new challenge to your evolved arsenal. - 【Satisfying Grass-Cutting Action】One-finger controls, infinite excitement! Feel the thrill as your stacked heavy artillery clears thousands of enemies in seconds. The ultimate stress-reliever!
Screenshots
Verdict
The clearest difference is in-app purchases: Janken Drop at none against Stack Tank's 9. Janken Drop also leads on update cadence (every 2 days vs weekly) and iOS requirement (12.0 vs 15.0). On price, ads 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. Stack Tank sells 9 one-off in-app purchases. Janken Drop asks for nothing beyond the download.
Janken Drop ships an update every 2 days, Stack Tank weekly. The most recent releases landed on October 7, 2026 and October 11, 2026 respectively.
| Parameter | Janken Drop | Stack Tank |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 days — better | Weekly |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 161 MB | 114 MB |
| Age rating | 4+ | 4+ |
| Developer | KOJI SUDO | ShiJiazhuang Rufang Technology Co.,Ltd. |
Customer experience
Janken Drop
Stack Tank
In-app purchases
Janken Drop
No in-app purchases
Stack Tank
- 60 Gems$1.99
- Unlock Hammer$2.99
- Unlock Sentinel$2.99
Show 6 moreShow fewer
- Unlock Ranger$3.99
- Unlock Vindicator$3.99
- 330 Gems$4.99
- 720 Gems$9.99
- 1600 Gems$24.99
- 4200 Gems$49.99









