Comparison

Grey Day vs Dark Slayer

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

Head to head
About

Grey Day

Features
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Open World Zombie Survival in a fictional city. Survive the apocalypse with other players in real-time multiplayer. โ–ถ Vast Open World Explore a vast voxel city overrun by zombies. โ–ถ Real-time Global Multiplayer 4 regions worldwide (Korea, Americas, Europe, Southeast Asia). Meet survivors from across the world. โ–ถ Vehicle System Drive 5 vehicle types โ€” sedan, truck, bus, sports car, pickup. Mow down zombie hordes. โ–ถ Weapon + Character Upgrades Buy and enhance weapons with level-by-level damage scaling. โ–ถ Boss Zombie Tiers Progressively unlocked bosses (T2 to T20). Cooperation essential. โ–ถ Ad-Reward System Revive, 2ร— damage boost, enhance protection โ€” all free via ads. โ–ถ 13 Languages Supported โ€” Official: https://we.zday.space Support: support@zday.space

About

Dark Slayer

Features
Read full description

The Abyss has opened its eyes. On the day darkness devoured the world โ€” a single sword became flame. Dark Slayer is a dark-fantasy hack & slash RPG rendered in pixel art. Mow down hordes of demons with spectacular skills, farm ever-stronger gear, and forge your own hero. โ–  7 Classes, 7 Playstyles - Barbarian: a melee whirlwind that slaughters from the heart of the horde - Sorceress: master of fire, frost, and lightning - Demon Hunter: a cold-blooded marksman with arrow storms and traps - Necromancer: lord of death commanding skeleton legions - Paladin: guardian of light with iron defense and holy power - Assassin: a shadow dancer who stacks combos into lethal bursts - Druid: a wild shaman who shifts into wolf and bear and calls down storms and beast packs โ–  Endless Gear Farming - Randomly rolled rarities and affixes โ€” chase that one perfect drop - Endless enhancement, with destruction risk and protection charms - Gems, treasure chests, and set items to collect โ–  Endgame Content - Infinite Abyss: climb ever-deeper floors and test your limits - Hell Keys & Sanctum battles: daily challenges, top rewards - PvP Arena: duel other heroes - Auction House: trade your loot with other players - Leaderboards: compete on power score and Abyss depth โ–  Play Your Way - Offline rewards: keep growing while you rest - Auto-battle support โ€” let it grind, take the boss fights yourself - Cloud save: continue on any device Now, hunt the Abyss. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://dark-slayer-rosy.vercel.app/privacy.html

Screenshots

Grey Day4 screens
Dark Slayer4 screens

Verdict

The call

The clearest difference is update cadence: Dark Slayer at every 9 days against Grey Day's every 5 weeks. Dark Slayer also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Grey Day sells 6 one-off in-app purchases and Dark Slayer sells 9 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Grey Day ships an update every 5 weeks, Dark Slayer every 9 days. The most recent releases landed on November 5, 2026 and November 8, 2026 respectively.

Scorecard3 real differences ยท 3 level
Grey Day versus Dark Slayer: the parameters behind the verdict, then further details
ParameterGrey DayDark Slayer
PriceFreeFree
Update frequencyEvery 5 weeksEvery 9 days โ€” better
AdsYesYes
In-app purchasesYesYes
DevicesiPhoneiPhone, iPad, iPod โ€” better
Requires iOS17.015.0 โ€” better
Further details โ€” not scored
Size517 MB118 MB
Age rating12+9+
DeveloperHOKWANG LEEHyunwoo Kim

In-app purchases

6 purchases

Grey Day

One-time6
  • 100 Coins$0.99
  • 550 Coins$4.99
  • 1,200 Coins$9.99
Show 3 more
  • 2,600 Coins$19.99
  • 7,000 Coins$49.99
  • 15,000 Coins$99.99
9 purchases

Dark Slayer

Subscriptions1
  • Slayer Pact$3.991 Month
One-time8
  • Soul Stones ร—100$0.99
  • Slayer Starter Pack$0.99
  • Soul Stones ร—550$3.99
Show 5 more
  • Soul Stones ร—1,200$7.99
  • Remove Ads (Lifetime)$13.99
  • Soul Stones ร—3,000$17.99
  • Soul Stones ร—6,600$34.99
  • Soul Stones ร—14,000$69.99

Questions

Is Grey Day free?
Grey Day is free to download, with in-app purchases available.
Is Dark Slayer free?
Dark Slayer is free to download, with in-app purchases available.
Do Grey Day or Dark Slayer have ads?
Both Grey Day and Dark Slayer show ads.
Which is updated more often, Grey Day or Dark Slayer?
Grey Day ships an update every 5 weeks, and Dark Slayer every 9 days. Most recently, Grey Day was updated on November 5, 2026 and Dark Slayer on November 8, 2026.

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