Spring Kings vs Kapult
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Spring Kings
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Spring Kings is a fast, physics-driven 1v1 castle-vs-castle battler where balance is everything and every launch can decide the match.
 Build your wobbling fortress on a giant spring, stack Tetris-style pieces to stabilize it, and then fling your entire castle to knock your opponent into ruin. Why you’ll love it - Real-time 1v1 matches focused on quick thinking and creative physics play. - Dynamic spring-mounted castles that tilt, sway, and react to every piece you place. - Build your loadout by choosing up to four structural or offensive pieces with unique behaviours. - Deep upgrades that improve stability, spring power, and special piece effects. - Ranked progression across increasingly challenging arenas with new hazards and layouts. - A workshop system that rewards upgrading your spring, castle core, and piece library. - Multiple viable strategies, from precision balancing to all-in power launches. Core gameplay - Place structural pieces (inspired by Tetris shapes) to stabilize your castle on the spring. - Charge and launch your wobbly stronghold toward the enemy to deal damage or disrupt their balance. - React to shifting weight, momentum, and spring tension as the battlefield changes. - Win by destroying the enemy’s castle core or knocking their structure completely off balance. Meta & progression - Upgrade your structural and offensive pieces to unlock new mechanics and higher impact. - Improve castle parts and spring strength to create specialized builds. - Climb competitive ladders, unlock new arenas, and discover new ways to out-balance and out-launch opponents. - Build smart, balance precisely, and master the perfect spring-powered strike.
Kapult
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Build the ultimate rocket. Launch it. Watch the fortress crumble. Kapult is a fast, satisfying physics game where YOU craft the weapon. Fuse parts on the crafting grid into a one-of-a-kind rocket, fire it at towering fortresses, and bring them down in a shower of rubble. The better your build, the bigger the boom. • CRAFT YOUR WEAPON — combine parts into powerful rockets. Every build hits different. • ONE BIG SHOT — aim, launch, and watch the slow-mo destruction. • SMASH FORTRESSES — knock down detailed castles that crack, catch fire, and crumble. • DAILY CHALLENGE — everyone plays the same run each day. Top today's leaderboard. • GLOBAL RANKS — climb the worldwide leaderboard and become a Kapult King. • CHALLENGE FRIENDS — send a link, same forts, same parts. Settle who's best. Easy to pick up, hard to put down. How far can you get? Build it. Launch it. Smash it.
Screenshots
Verdict
The clearest difference is iOS requirement: Kapult at 13.0 against Spring Kings's 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.
| Parameter | Spring Kings | Kapult |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Weekly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 94 MB | 10 MB |
| Age rating | 9+ | 9+ |
| Developer | Tornado Bear | Felician Schwarz |
In-app purchases
Spring Kings
No in-app purchases
Kapult
No in-app purchases









