Smart Mahjong vs PROJECT_XENO
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Smart Mahjong
Instantly calculate Mahjong scores by scanning tiles with your camera. View yaku, han, and fu to understand scoring mechanics. This app is continuously updated based on user feedback.
- Camera-based tile recognition
- Instant score calculation
- Displays yaku, han, and fu
- Score learning tool
- User feedback integration
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This app is a Mahjong score calculator. It instantly reads tiles using your camera and allows you to calculate scores with simple operations. The result screen also displays the yaku, han, and fu, making it useful for learning how scoring works. We are constantly working to make this app even more convenient. If you have any suggestions for new features or find any issues, we would greatly appreciate your feedback. Your positive reviews also encourage us to continue improving the app—thank you for your support! 【Submit feature requests or bug reports】 ■ Launch the app > Menu > Feedback / Requests
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.
- Real-time turn-based PvP battles
- Strategic deck-building
- Character and skill card customization
- Global online competition
- Ranked arena battles
- Simultaneous turn system
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"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
Verdict
The clearest difference is review sentiment: Smart Mahjong at 60% against PROJECT_XENO's 23%. Smart Mahjong also leads on in-app purchases (none vs 77) and rating (4.5 vs 4.1). PROJECT_XENO's advantage is ratings volume (24 vs 2) and device support (3 vs 1). On price, update cadence, ads and monetization model 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. PROJECT_XENO sells 75 one-off in-app purchases. Smart Mahjong asks for nothing beyond the download.
Smart Mahjong holds the better App Store score, 4.5 against 4.1. That said, the two scores are not equally well evidenced: PROJECT_XENO has 24 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 60% of Smart Mahjong's written reviews are positive against 23% of PROJECT_XENO's.
Smart Mahjong ships an update every 3 weeks, PROJECT_XENO every 2 weeks. Both last shipped on October 27, 2026.
| Parameter | Smart Mahjong | PROJECT_XENO |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (2 ratings) — better | 4.1 (24 ratings) |
| Positive reviews | 60.0% of reviews — better | 23.3% of reviews |
| Number of ratings | 2 | 24 — better |
| Update frequency | Every 3 weeks | Every 2 weeks — better |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 18.5 | 13.0 — better |
| Further details — not scored | ||
| Size | 45 MB | 328 MB |
| Age rating | 4+ | 4+ |
| Developer | KAZUYA KIMURA | Studio Z,Inc. |
Customer experience
Smart Mahjong
PROJECT_XENO
In-app purchases
Smart Mahjong
No in-app purchases
PROJECT_XENO
- itempack_a$1.00
- U-coins Spack$1.00
- Battle_Time_Sale_1$1.00
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- 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









