Comparison

Undead vs Demon vs PROJECT_XENO

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

Head to head
About

Undead vs Demon

Engage in a unique Break-out style RPG where you train an Undead army to battle invading Demons. Collect and enhance heroes, master various skills, and advance your Skeleton King through skill trees and item crafting.

Highlights
  • Break-out style RPG gameplay
  • Collect and enhance heroes
  • Variety of skills and abilities
  • Easy-to-learn controls
  • Skill trees and item crafting
  • Multiple dungeon types
Features
Read full description

# High Quality Break-out style RPG! # Simply incomparable with other Break-out clones # Easy-to-learn controls Queen Debra and her Demon army is becoming a threat to the entire Demonic realm after taking out the Ghouls. Now the tip of her sword is facing you, the Undead. The Undead Skeleton Army needs a strong leader to fight against the Demons. Now, train a powerful Undead army with the Skeleton King and wipe the Demons out! Game Features 1. Break-out style RPG A whole new genre that mixes Break-out and RPGs 2. Collect and enhance many different heroes - Create a strong Skeleton army by collecting and enhancing many different heroes - Have some fun with various skills and amazing abilities 3. Easy gameplay and delightful controls - Enjoy the game with easy-to-learn controls - Unique control compared to other Break-out style games 4. Fun Advancement - Become a stronger Skeleton King through features like skill trees, item combination, rune set crafting 5. Lots of quality content - Normal, Infinite, Gold, Boss, Raid Dungeon ※ Although Undead vs Demon can be downloaded for free, it includes some in-game items that can be purchased with cash. ※ Undead vs Demon stores all game data on the device. Deleting the app or changing your device will result in the loss of your data, so please be careful. ※ Customer Support: help@yellowpop.net ---- Privacy Policy: https://www.yellowpop.net/privacy-en.html Terms of Service: https://www.yellowpop.net.terms-en.html ----

About

PROJECT_XENO

Engage in real-time turn-based PvP battles with strategic deck-building. Assemble a team of three characters and twelve skill cards to outwit opponents. Master tactical decisions and adapt quickly to claim victory in global arena battles.

Highlights
  • Real-time turn-based PvP battles
  • Strategic deck-building
  • Character and skill card customization
  • Global online competition
  • Ranked arena battles
  • Simultaneous turn system
Features
Read full description

"This is how far battle games have evolved!" A new era of simultaneous-turn, real-time competitive gaming - PROJECT XENO. Two players face off with 3 XENO and 12 skill cards in the ultimate battle. Experience the supreme clash between "the strategy built into your deck" and "the tactics to read the field in an instant"! Build the original deck at the heart of your strategy! Choose your strongest 3 classes from 14 distinctive options to build your deck! - Samurai: Unleashes area attacks with high attack power - Breaker: Sweeps the field clean, summoned units and all - Guardian: Protects allies with overwhelming durability - Psychic: Ignores formation to strike distant enemies - Ninja: Dominates the field with status ailments and multi-hit attacks - Grappler: Crushes enemies with overwhelming attack power - Necromancer: Wields summoning powers that revive endlessly - Paladin: Combines fierce offense with solid defense - Druid: Excels at supporting allies and disrupting opponents - Gunslinger: Slips past enemy defenses and hides to toy with foes - Monk: Strategically channels "Chi" to overwhelm enemies with powerful skills - Dark Knight: An overwhelming presence that commands the battlefield with "the power of darkness" and mighty skills - Dragoon: A mobile conqueror who pierces enemies with a "sky-soaring battle lance" and controls the flow of battle - Amazoness: Never lets her chosen prey escape Try countless combinations and devise a wealth of tactics! Win your way through battles to unlock more powerful skill cards and strengthen your deck even further! Battle rivals from around the world online! Take on rivals worldwide anytime in serious Arena Battles! Win battles to raise your rank and unlock ever more luxurious rewards! Master strategy and tactics to climb to the top of the Arena! The ultimate esports, with countless tournaments on a level playing field! A "Tournament Mode (esports Mode)" with fair, identical rules for everyone is here too! Enjoy real competitive battles in tournaments that test your skill - and yours alone! Start playing XENO now to prepare for upcoming tournaments! What kind of game is PROJECT XENO? - The deep mind games and psychological warfare unique to real-time online battles are truly thrilling! - Simultaneous turns eliminate luck like first/second-move advantage - a pure test of skill! - Steadily building up your deck to claim victory is a joy in itself! - Simple controls and rules, yet a deep clash of strategy to enjoy! System Requirements Recommended: iOS 13.0 or later / iPhone 11 or later Supported: iOS 13.0 or later / iPhone X or later * Even devices meeting the above criteria may be unsupported or fail to run properly. Official Site https://project-xeno.com/ Official X (formerly Twitter) https://twitter.com/PROJECTXENO_GLB Official hashtag: #PROJECTXENO Official Discord https://discord.com/invite/G4bk9nhJpG PROJECT XENO is perfect for people who... - Are looking for a free, popular real-time competitive game - Love games that demand tactics and strategy, like poker, mahjong, or shogi - Enjoy steadily building up a deck - Want to enjoy nail-biting psychological and intellectual battles - Are looking for a game with simple controls - Love strategy and tactics games that require deep thinking - Are looking for a classic hit or a brilliant new title - Love action games - Are good at single-player and want to enjoy battles - Are looking for a fun app to kill time

Screenshots

Undead vs Demon4 screens
PROJECT_XENO4 screens

Verdict

The call

The clearest difference is rating: Undead vs Demon at 4.4 against PROJECT_XENO's 4.1. Undead vs Demon also leads on review sentiment (41% vs 23%) and update cadence (every 5 days vs every 2 weeks). On price, ratings volume, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Undead vs Demon sells 18 one-off in-app purchases and PROJECT_XENO sells 75 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Undead vs Demon holds the better App Store score, 4.4 against 4.1. Both are backed by a comparable volume of ratings — 39 and 24 respectively. Written reviews point the same way: 41% of Undead vs Demon's written reviews are positive against 23% of PROJECT_XENO's.

UpkeepUpdate frequency

Undead vs Demon ships an update every 5 days, PROJECT_XENO every 2 weeks. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 7 level
Undead vs Demon versus PROJECT_XENO: the parameters behind the verdict, then further details
ParameterUndead vs DemonPROJECT_XENO
PriceFreeFree
Rating4.4 (39 ratings) — better4.1 (24 ratings)
Positive reviews40.9% of reviews — better23.3% of reviews
Number of ratings39 — better24
Update frequencyEvery 5 days — betterEvery 2 weeks
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better13.0
Further details — not scored
Size283 MB328 MB
Age rating12+4+
Developer주식회사 옐로우팝Studio Z,Inc.

Customer experience

Undead vs Demon

All ratings39 ratings
Positive84.6%
Neutral10.3%
Negative5.1%
Written reviews44 reviews
Positive40.9%
Neutral6.8%
Negative52.3%

PROJECT_XENO

All ratings24 ratings
Positive79.2%
Neutral0.0%
Negative20.8%
Written reviews30 reviews
Positive23.3%
Neutral6.7%
Negative70.0%

In-app purchases

18 purchases

Undead vs Demon

One-time18
  • Starter Package$1.99
  • Starter Package Ver2$2.99
  • Set rune slot material 2(100%)$3.99
Show 15 more
  • Thesar Hero Package$4.99
  • Great Forward Package 1$4.99
  • Booster Potion7$5.99
  • Premium$7.99
  • Rookie Package2$7.99
  • Rookie Package Ver2$7.99
  • Event SS-Package1$7.99
  • Hero Draw Ticket Package$7.99
  • Attendance Pass$8.99
  • Level Pass$8.99
  • Lv7 Legend Equip Set$12.99
  • Raid Pass$26.99
  • Rune slot 1 Set$26.99
  • Weekly limited Gem1$26.99
  • Weekly limited Gem2$49.99
75 purchases

PROJECT_XENO

One-time75
  • itempack_a$1.00
  • U-coins Spack$1.00
  • Battle_Time_Sale_1$1.00
Show 72 more
  • itempack_I$2.00
  • beginner_pack$3.00
  • Gcoin_gacha_ticket$3.00
  • itempack_b$3.00
  • xeno_beginner_pack$3.00
  • U-coins Mpack$5.00
  • Battle_Time_Sale_2$5.00
  • collabopack_H$6.00
  • itempack_c$6.00
  • Hammer$6.00
  • special_pack_b$6.00
  • Arena_2_Celebration_pack_ver2$6.00
  • itempack_f$10.00
  • U-coins Lpack$10.00
  • Battle_Time_Sale_6$10.00
  • battle_pass_season19$12.00
  • battle_pass_season18$12.00
  • battle_pass_season17$12.00
  • battle_pass_season16$12.00
  • battle_pass_season15$12.00
  • battle_pass_season14$12.00
  • battle_pass_season13$12.00
  • xeno_1st_annive_lucky_pack_c$15.00
  • Battle_Time_Sale_3$15.00
  • sale_pack_a$20.00
  • sale_pack_b$20.00
  • collabopack_B$20.00
  • itempack_O$20.00
  • itempack_P$20.00
  • battlepass_A$30.00
  • Arena 7 Celebration Pack$30.00
  • G-coins XLpack$30.00
  • arena_celebration_pack_7$30.00
  • itempack_U$30.00
  • arena_celebration_pack_6$30.00
  • weekly_pack_b$30.00
  • EQUIP NFT-BOX Silver Key$30.00
  • arena_celebration_pack_5_ver3$30.00
  • Arena_5_Celebration_pack_ver2$30.00
  • 11gcoin_gacha_tickets$30.00
  • Arena_4_Celebration_pack_ver2$30.00
  • gacha_ticket_pack$30.00
  • starter_pack_b$30.00
  • monk_attack_skill_pack$30.00
  • Arena_7_Celebration_pack_ver2$30.00
  • Arena_6_Celebration_pack_ver2$30.00
  • xeno_1st_annive_lucky_pack_b$30.00
  • xeno_silver_key_pack$30.00
  • G-coins XXLpack$50.00
  • itempack_V$60.00
  • Half_Anniversary_Battle_Pass$60.00
  • Arena 8 Celebration Pack$60.00
  • special_pack_e$60.00
  • special_pack_u$60.00
  • arena_celebration_pack_9_ver3$60.00
  • itempack_G$60.00
  • itempack_F$60.00
  • itempack_H$60.00
  • special_pack_g$60.00
  • weekly_pack_a$60.00
  • battle_pass_season13_ex$60.00
  • gacha_ticket_pack_dx$60.00
  • Arena_9_Celebration_pack_ver2$60.00
  • september_battle_pass$60.00
  • 10smeltingstones$60.00
  • Arena_8_Celebration_pack_ver2$60.00
  • [MONK] GACHA TICKET Pack DX$60.00
  • xeno_1st_annive_lucky_pack_a$60.00
  • battlepass_seasen10ex$60.00
  • xeno_gold_key_pack$80.00
  • U-coins 3XLpack$100.00
  • G-coins 3XLpack$100.00

Questions

Is Undead vs Demon free?
Undead vs Demon is free to download, with in-app purchases available.
Is PROJECT_XENO free?
PROJECT_XENO is free to download, with in-app purchases available.
Which has better reviews, Undead vs Demon or PROJECT_XENO?
Undead vs Demon is rated higher. Undead vs Demon averages 4.4 out of 5 from 39 ratings, while PROJECT_XENO averages 4.1 from 24 ratings.
Do Undead vs Demon or PROJECT_XENO have ads?
Both Undead vs Demon and PROJECT_XENO show ads.
Which is updated more often, Undead vs Demon or PROJECT_XENO?
Undead vs Demon ships an update every 5 days, and PROJECT_XENO every 2 weeks. Most recently, Undead vs Demon was updated on October 24, 2026 and PROJECT_XENO on October 30, 2026.

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