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Best Isshii Apps & Games

183+ iOS apps & games curated and reviewed

4.5 avg rating
19 free apps & games
Updated June 2026

Every iPhone needs a few good isshii apps. We benchmark 183+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Top Picks for Isshii

Fate/Grand Order (English)#1

Fate/Grand Order (English) by Aniplex Inc.

Editor's Choice
🎮 Games
4.4😐(15K ratings)
FreeAdsIn-App Purchases
#19in Games
Fate/Grand Order (English) screenshot 1
Fate/Grand Order (English) screenshot 2
Fate/Grand Order (English) screenshot 3
Fate/Grand Order (English) screenshot 4
Fate/Grand Order (English) screenshot 5

Embark on a thrilling mobile RPG journey where players travel back in time to save humanity in a battle against fate. Join forces with Heroic Spirits, engage in command card battles, and unravel the mystery of human history's disappearance. Take a stand against destiny to protect mankind - are you ready to accept the Grand Order?

What We Love

  • 🎨 Excellent character designs and art
  • 📚 Engaging and immersive story
  • 🎮 Unique and strategic gameplay
  • 🆓 Can be played for free

Room to Improve

  • 💸 Abysmal gacha rates for 5-star servants
  • 🕰️ Slow progression and content updates
  • 🔍 Lack of quality-of-life features (auto-battle, skip)
eeClock#2

eeClock by Katsunori Ishino

Simple clock & battery meter
Strong Contender
🌟 Lifestyle
5.0(1 ratings)
Free
eeClock screenshot 1
eeClock screenshot 2

This application provides a simple clock display along with charging information, allowing users to easily track time and battery levels. Download it now to stay on schedule and monitor your device's power status.

Summoners War#3

Summoners War by Com2uS Corp.

The Lord of the Rings Collab
Worth Considering
🎮 Games
4.1😐(4.5K ratings)
FreeAdsIn-App Purchases
#25in Games
Summoners War screenshot 1
Summoners War screenshot 2
Summoners War screenshot 3
Summoners War screenshot 4
Summoners War screenshot 5
Summoners War screenshot 6

Engage in tactical RPG battles with over 1500 monsters in an action-packed fantasy world. Fight in real-time raids, collect monsters, and battle globally in Summoners War! Join now to experience the thrill of the Sky Arena.

What We Love

  • 🚀 Great game
  • 👍 Fun and addictive gameplay
  • 🤖 Helpful auto-battle feature
  • 🎨 Excellent graphics and visuals

Room to Improve

  • 💰 Expensive in-app purchases
  • 🔒 Difficult to recover hacked accounts
  • 🐛 Frequent app crashes and bugs

More Isshii apps to explore

4
Honkai: Star Rail
Honkai: Star Rail
Honkai: Star Rail
A Space Fantasy RPG
Free

Embark on a trailblazing space fantasy RPG adventure with Honkai: Star Rail. Join the Astral Express to explore diverse worlds, engage in tactical combat, build alliances, and experience a top-tier immersive journey amongst the stars. Ready to start your cosmic odyssey?

🎮 Games
(52K)
5
SLIME-ISEKAI Memories：TenSura
SLIME-ISEKAI Memories：TenSura
SLIME-ISEKAI Memories：TenSura
Reincarnated as a Slime
Free

Experience a new 3D battle RPG set in the world of a famous anime series. Build your own town, engage in strategic battles, and uncover a mysterious storyline. Explore the world of That Time I Got Reincarnated as a Slime today!

🎮 Games
(5K)
6
Chaos Zero Nightmare
Chaos Zero Nightmare
Chaos Zero Nightmare
A Chaos-Loop RPG Led by Choice
Free

Embark on a dark fantasy journey in a world consumed by a mysterious cosmic disaster, making choices that shape your unique story and strategy. Dive into a haunting narrative with stunning visuals, immersive combat, and unforgettable characters, and experience a new kind of RPG that evolves with every playthrough.

🎮 Games
(14K)
7
Dark Summoner
Dark Summoner
Dark Summoner
by Ateam Entertainment Inc.
Free

Summon powerful monsters, power them up, and join forces with friends in this Dark Fantasy social game. With over 5,000 monsters to collect, defeat legendary bosses, craft items, and compete in monthly events for a constantly evolving gameplay experience! Download now for iOS 9.0 and higher.

🎮 Games
(285)
8
Tokyo Debunker
Tokyo Debunker
Tokyo Debunker
Handsome ghouls & quirky cats
Free

An app that debunks myths and urban legends in Tokyo, providing accurate information about local haunts and paranormal activities. Discover the truth behind mysterious tales with Tokyo Debunker!

🎮 Games
(17K)
9
Isekai:Slow Life
Isekai:Slow Life
Isekai:Slow Life
Enjoy your slow life in Isekai
Free

Embark on a journey in a mystical world as an adorable walking mushroom, where you manage a village, form bonds with unique companions, and experience the slow life of Isekai. Join the Adventurer’s Guild, explore unknown lands, and build your reputation in this charming and adventurous game. For more information and feedback, visit our Facebook page or Discord channel.

🎮 Games
(9.7K)
10
Monster Legends - Battle Game
Monster Legends - Battle Game
Monster Legends - Battle Game
Fight beasts in mobile battles
Free

A captivating breeding RPG game where players collect and merge monsters to build powerful teams for battle. Join the adventure now!

🎮 Games
(543K)
11
Grand Summoners - Anime RPG
Grand Summoners - Anime RPG
Grand Summoners - Anime RPG
Pixel RPG×Battle RPG×Crossover
Free

Embark on an epic pixel RPG adventure with Grand Summoners x OVERLORD! Summon ancient heroes, strategize in RPG style, and team up with up to 4 players in multiplayer battles. Experience stunning graphics and compete in PvP to prove your team is the best! Start your journey now and save the realm from demonic destruction.

🎮 Games
(8K)
12
Legend of the Cryptids
Legend of the Cryptids
Legend of the Cryptids
Fantasy Card Battle RPG
Free

Unlock a realm of mythical creatures in a thrilling card battle RPG. Immerse yourself in a world of fantasy and strategy—unleash your inner hero now!

🎮 Games
(200)
13
MegaNovel - fiction & webtoon
MegaNovel - fiction & webtoon
MegaNovel - fiction & webtoon
Read original novels here
Free

MegaNovel is a revolutionary storytelling platform that bridges the world of fiction with interactive elements. Dive into captivating narratives, make choices that shape the plot, and embark on personalized reading adventures. Experience storytelling like never before - start your journey now!

📚 Books
(9.9K)
14
Tomb Busters
Tomb Busters
Tomb Busters
Самый весёлый кооп-хоррор!
Free
🎮 Games
(469)
15
Dislyte
Dislyte
Dislyte
Urban Myth Comics Game
Free

Immerse yourself in a world of urban myth comics and build a squad of superhero Espers to fight monsters in the captivating game. Join a diverse community of players, connect with like-minded fans, and explore the intriguing universe of gods and mythical beings. Unleash your hidden power and take control of your fate today!

🎮 Games
(92K)
16
Neo Monsters
Neo Monsters
Neo Monsters
Monster Capture and Evolve RPG
$0.99

Capture, train, and evolve over 1000 monsters to build your ultimate team and battle in epic 4v4 turn-based RPG duels. Conquer leagues, uncover mysteries, and dominate in PvP battles in this addictive monster-battling game. Join the challenge now!

🎮 Games
(7.6K)
17
Idle Angels: Blossom Festival
Idle Angels: Blossom Festival
Idle Angels: Blossom Festival
Best end-of-the-year benefits!
Free

Embark on a thrilling journey with mythical characters in new outfits, conquer challenges, and enjoy cross-server battles with players worldwide in this action-packed gaming app. Download now for a colorful feast of adventure and excitement!

🎮 Games
(38K)
18
Haypi Monster 3
Haypi Monster 3
Haypi Monster 3
New RPG for Monster Trainers!
Free

Embark on an epic RPG adventure in a mysterious land filled with bizarre monsters. Explore vast terrains, build diverse monster teams with unique abilities, train and upgrade your monsters, and dominate ancient battlefields. Are you ready to become the ultimate monster trainer? Join the adventure now!

🎮 Games
(3.1K)
19
AnimeX: Anime on Titan
AnimeX: Anime on Titan
AnimeX: Anime on Titan
AnimiXPlay Anime Cloud & Manga
Free

Discover a vast repository of anime content with AnimeX: Anime on Titan. Stream your favorite anime series and movies anytime, anywhere – immerse yourself in a world of Japanese animation today!

🎬 Entertainment
(36K)
20
KAIJU NO. 8 THE GAME
KAIJU NO. 8 THE GAME
KAIJU NO. 8 THE GAME
by Akatsuki Games Inc.
Free

Experience the epic battles of a turn-based combat system, where you can overpower colossal Kaiju with strategic depth and devastating ultimate attacks. Explore the world of KAIJU NO. 8, featuring stunning visuals and an all-star voice cast, and discover the gripping story and untold stories of your favorite characters.

🎮 Games
(8.2K)

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