Swarm Simulator vs Critical
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Swarm Simulator
Evolve your insect colony from simple larvae to powerful hive minds in this 3D incremental idle clicker game. Conquer territory, sacrifice units for growth, and ascend to unlock new mutations and expand your swarm across the universe.
- Incremental idle clicker gameplay
- Endless progression and unit evolution
- Idle mode for offline growth
- Ascend system with new mutations
- All-new 3D graphics and units
- Elixir buffs and Golden Bug bonuses
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Over 2 MILLION PLAYERS! Swarm Simulator: Evolution brings the strategic, incremental, idle, clicker gameplay of the wildly successful web game into a new 3D world with dozens of new systems and extra features! Evolve your way from lowly larvae and drones to all-powerful hive Overminds and beyond in this idle masterpiece! Conquer territory with fearsome Stingers and Locusts to become a tycoon of unit production. Sacrifice smaller units for the greater good of the colony and Ascend over and over as you build your Swarm toward its ultimate goal of universe spanning conquest! == Swarm Simulator Features == Idle Clicker Gameplay • Endless progression - start with a few lowly units, evolve and hatch your way to unimaginable numbers. • Idle mode - the game will keep progressing whether it's open or not, take a break for a few hours and your Swarm will grow and grow! • Ascend your Swarm to start over on a new world but with powerful new Mutations. Evolution Upgrades • All new 3D graphics and new units, dozens of 3D bugs in a fully 3D world. • Elixirs give short term buffs to your Swarm, use a Rage elixir to capture more territory ... or a Warper elixir to speed up time itself! • Golden Bugs can be captured to give long-term bonuses to your Swarm. • Swarm Lord Invasions, the HFL, Carapace Shards, unlockable skins for your bugs and more! The classic text-based incremental game has been reborn in vibrant 3D. Download Swarm Simulator now and conquer EVERYTHING!
Critical
Manage a reactor to prevent it from becoming critical by delivering water. Earn money over time to unlock permanent upgrades and improve your survival capabilities. Invest wisely to extend your runs and uncover secrets.
- Reactor management
- Incremental income generation
- Permanent upgrades
- Research and secrets
- Survival gameplay
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Stop the reactor from going critical by delivering water. Robots are expensive though, so we use cheap expendable personnel instead. Money earned ramps up incrementally the longer you last. Survive as long as possible to maximize your income! Spend your hard earned cash to unlock permanent upgrades. Invest wisely to make each new run longer than the last. Tons of upgrades to buy, research to be done, and secrets to uncover. Give it a try! The longer you can keep the reactor from exploding, the more money you’ll make. Start small and watch your income grow exponentially as you survive longer and longer. Delay the inevitable cataclysm as long as possible and watch your cashflow go through the roof.
Screenshots
Verdict
The clearest difference is review sentiment: Swarm Simulator at 78% against Critical's 18%. Swarm Simulator also leads on rating (4.7 vs 4.4) and ratings volume (2.7K vs 125). On price, update cadence, ads 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. Swarm Simulator sells 11 one-off in-app purchases and Critical sells 17 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Swarm Simulator holds the better App Store score, 4.7 against 4.4. That said, the two scores are not equally well evidenced: Swarm Simulator has 2.7K ratings behind it against 125, so its average is the more settled of the two. Written reviews point the same way: 78% of Swarm Simulator's written reviews are positive against 18% of Critical's.
Swarm Simulator ships an update every 9 days, Critical fortnightly. The most recent releases landed on September 29, 2026 and September 22, 2026 respectively.
| Parameter | Swarm Simulator | Critical |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (2.7K ratings) — better | 4.4 (125 ratings) |
| Positive reviews | 78.3% of reviews — better | 18.2% of reviews |
| Number of ratings | 2.7K — better | 125 |
| Update frequency | Every 9 days — better | Fortnightly |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 158 MB | 99 MB |
| Age rating | 4+ | 4+ |
| Developer | Iron Horse Games LLC | WaffleStack Studio LLC |
Customer experience
Swarm Simulator
Critical
Bugs and requests
Swarm Simulator
Reported bugs
4 issues- Crashes on launch
- Stuck on loading screen
- Incorrect display of resources and upgrades
- Issues with cloud save functionality
Requested features
4 requests- More content and updates
- Offline mode
- Customization options
- Improved progression and endgame
Critical
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Swarm Simulator
- Pouch of Crystals$4.99
- Elixir Mega Pack$4.99
- Swarm Supporter Pack$9.99
Show 8 moreShow fewer
- Bag of Crystals$9.99
- Crystalline King Pack$9.99
- Arcane Amplifier Pack$9.99
- Super Shards Pack$9.99
- Challenge Crusher Pack$9.99
- Barrel of Crystals$19.99
- Elixir Ultra Pack$24.99
- Storehouse of Crystals$49.99
Critical
- 100 Gems$2.99
- 100 Gems$4.99
- Remove Ads$7.99
Show 14 moreShow fewer
- 225 Gems$7.99
- Starter Pack$9.99
- Remove All Ads$9.99
- 225 Gems$9.99
- 500 Gems$9.99
- Pro Pack$9.99
- Pro Pack$14.99
- New Player Sale$14.99
- 500 Gems$14.99
- 1400 Gems$19.99
- 800 Gems$19.99
- 1400 Gems$29.99
- 3000 Gems$29.99
- 3000 Gems$39.99
Questions
Is Swarm Simulator free?
Is Critical free?
Which has better reviews, Swarm Simulator or Critical?
Do Swarm Simulator or Critical have ads?
Which is updated more often, Swarm Simulator or Critical?
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