Comparison

Bacteria Survivor vs Spring Kings

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Bacteria Survivor

Features
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Bacteria Survivor A microscopic war is about to begin! Defend your base against relentless waves of bacteria in this tower defense strategy game. Build and connect living cells to create powerful defense networks. Unlock new bio-weapons, upgrade your arsenal, and evolve your strategy to fight increasingly dangerous bacterial mutations. Every decision matters, where you place your cells, how you link them, and which upgrades you choose can be the difference between survival and extinction. Can you outsmart the infection and become the ultimate Bacteria Survivor?

About

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.

Screenshots

Bacteria Survivor4 screens
Spring Kings4 screens

Verdict

The call

The clearest difference is ads: Spring Kings at none against Bacteria Survivor's shown. Bacteria Survivor's advantage is iOS requirement (13.0 vs 15.0). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences · 3 level
Bacteria Survivor versus Spring Kings: the parameters behind the verdict, then further details
ParameterBacteria SurvivorSpring Kings
PriceFreeFree
AdsYesNo — better
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size106 MB94 MB
Age rating4+9+
DeveloperKiwertTornado Bear

In-app purchases

None

Bacteria Survivor

No in-app purchases

None

Spring Kings

No in-app purchases

Questions

Is Bacteria Survivor free?
Bacteria Survivor is free to download, with no in-app purchases.
Is Spring Kings free?
Spring Kings is free to download, with no in-app purchases.
Do Bacteria Survivor or Spring Kings have ads?
Bacteria Survivor shows ads; Spring Kings does not.

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