Comparison

I Accidentally Summoned... vs Cosmic Summon

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

Head to head
About

I Accidentally Summoned...

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A chaotic, replayable choice-based story game where your decisions influence supernatural creatures… and reality itself. Summon demons. Navigate corporate hellscapes. Unlock collectible cards based on your endings. Every episode features multiple branching paths and hidden outcomes. Your scores are revealed at the end — but during play, you’re just trying to survive.

About

Cosmic Summon

Features
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Cosmic Summon is a unique blend of gacha summoning and tower defense strategy. Summon powerful heroes, place them on the battlefield, and defend your wall against endless waves of enemies — all under the stars of real constellations. SUMMON & COLLECT 12 UNIQUE HEROES Each hero brings a distinct combat style to the battlefield: • Wind Piercer — Piercing shots that penetrate multiple enemies • Blaze Caster — Fire splash dealing area damage • Frost Weaver — Slows enemies with freezing attacks • Thunder Chain — Chain lightning bouncing between targets • Cannon Lord — Devastating splash damage in a wide radius • Wind Dancer — Summons tornadoes that damage and slow • Venom Curse — Poisons enemies with damage over time • Shock Guard — Shockwave knockback to push enemies back • Armor Breaker — Curse attacks that shred enemy armor Plus 3 support heroes: Wall Keeper (heals your wall), Gold Digger (generates gold), and Melodist (buffs team attack speed). MERGE TO EVOLVE Combine two heroes of the same type to upgrade them. Progress through 7 rarity tiers — from Spark to the legendary Genesis rank. Higher rarities unlock stronger abilities and stunning visual effects. Strategic merging is the key to surviving later waves. FACE 28 ENEMY TYPES + BOSSES Every few waves, new enemy types appear with unique abilities: • Stealth lurkers that vanish from sight • Splitters that divide into smaller enemies on death • Healers that restore nearby allies • Chargers that rush your wall at extreme speed • Reflectors that bounce damage back • Summoners that spawn endless minions • And many more — each demanding a different strategy. Boss encounters every 5 waves test your entire defense. 50 CONSTELLATION-THEMED WAVES Battle under the stars of real constellations — from Aries to Orion, Cassiopeia to the Southern Cross. Each wave features a beautifully rendered constellation as your battlefield backdrop. TARGETED SUMMON Choose exactly which hero you want with the Select feature. Pick your favorite hero and add them to your army — a strategic advantage when you need a specific ability to counter the next wave. KEY FEATURES • Free-to-play with rewarded video ads • 12 heroes × 7 rarity tiers = 84 hero variations • 28 enemy types with unique abilities + boss battles • Merge system with unlimited progression potential • Real constellation artwork for 50 wave backgrounds • Auto-battle with strategic hero placement • Support heroes that heal, buff, and generate gold • Battle statistics tracking across all games Download Cosmic Summon and defend the stars!

Screenshots

I Accidentally Summoned...2 screens
Cosmic Summon4 screens

Verdict

The call

The clearest difference is in-app purchases: Cosmic Summon at none against I Accidentally Summoned...'s 3. Cosmic Summon also leads on iOS requirement (12.0 vs 15.1). I Accidentally Summoned...'s advantage is ads (none vs shown). On price 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. I Accidentally Summoned... sells 3 one-off in-app purchases. Cosmic Summon asks for nothing beyond the download.

Scorecard3 real differences · 3 level
I Accidentally Summoned... versus Cosmic Summon: the parameters behind the verdict, then further details
ParameterI Accidentally Summoned...Cosmic Summon
PriceFreeFree
Update frequency—Every 4 days
AdsNo — betterYes
In-app purchasesYesNo — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.112.0 — better
Further details — not scored
Size44 MB34 MB
Age rating9+4+
DeveloperAPPsolute Best LLCMaojian Tang

In-app purchases

3 purchases

I Accidentally Summoned...

One-time3
  • Minor Ritual Supplies$0.99
  • Fund the Next Summoning$2.99
  • Advanced Grimoire Ink$4.99
None

Cosmic Summon

No in-app purchases

Questions

Is I Accidentally Summoned... free?
I Accidentally Summoned... is free to download, with in-app purchases available.
Is Cosmic Summon free?
Cosmic Summon is free to download, with no in-app purchases.
Do I Accidentally Summoned... or Cosmic Summon have ads?
Cosmic Summon shows ads; I Accidentally Summoned... does not.

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