198+ iOS apps & games curated and reviewed
The best mermaid princess castle apps on iPhone average 4.2★ across 198+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.
Help a beautiful mermaid princess restore her royal home to its former glory by cleaning and decorating different areas, including the living room, kitchen, bedroom, and garden. Get ready to overcome challenges and make the castle shine like a royal dollhouse, start your cleaning and decorating adventure now!
Unbox a world of magical fairies and mermaids in this enchanting application that lets you merge creatures to create new ones, decorate your own mermaid mansion, and embark on quests to uncover hidden treasures. Dive into a whimsical adventure today!
Embark on a magical journey in a fairytale kingdom filled with mysteries, adventures, and royal tasks. Become the ruler of your kingdom, solve puzzles, discover treasures, and create your own story in this enchanting world. Join the community of players worldwide and experience the magic for yourself!
Create your perfect princess with our enchanting dress-up app! Customize outfits, hairstyles, and accessories to make your dream princess come to life. Experience the magic today!
Immerse yourself in the magical world of underwater princesses in this enchanting game where you design and explore an undersea castle filled with surprises, magical creatures, and treasure. Create your own story with princesses, princes, and adorable sea creatures while dressing them up in beautiful costumes and cooking delicious food. Unleash your creativity and discover the wonders of the mermaid kingdom today!
Dive into the thrilling underwater world with the new Mermaid Simulator 3D adventure game. Explore the ocean, hunt for food, and experience the life of a mermaid in stunning 3D graphics!
Explore a magical princess castle in an open-ended dollhouse game full of surprises and cute characters like princesses, princes, dragons, and unicorns. Let your imagination run wild, create your own stories, care for pets, cook, dress up, and uncover secrets in enchanting scenes. Perfect for children aged 6-12 to play alone or with friends, fostering creativity and family bonding. Start your adventure today!
Decorate and design your own virtual dollhouse with Princess Castle: My Doll House. Personalize rooms, arrange furniture, and create dream living spaces for your dolls. Unleash your creativity today!
Embark on an imaginative adventure through an interactive virtual castle filled with engaging activities and captivating stories. Discover hidden treasures, solve puzzles, and immerse yourself in a world of wonder. Start your journey today!
Immerse yourself in a magical mermaid world where you can dress up your mermaid, cook, shop, and explore castles in six themed scenes. Discover hidden activities, create unique underwater worlds, and unlock special experiences in this enchanting game. Download now for free and dive into the world of Slime Princess: Mermaid!
Build your own fairytale kingdom, craft magical buildings and items, explore the enchanted forest, and invite friends to join in the adventure! Rule your kingdom in Castle Story™, the best-looking free castle game for mobile devices. Begin your adventure now!
Create your own unique mermaid in this fun dress-up game by selecting from four mermaid princesses and customizing their look with various outfits, accessories, and tail colors. Get ready to unleash your creativity and have fun, and if you like, you can upgrade your experience with in-game purchases.
Experience a magical underwater world with various themed scenes, including a royal palace, pirate tavern, and coral cathedral, where you can play games, design outfits, and interact with fantastical creatures. Subscribe to access exclusive content and features, with options starting at $1.99 per week, and manage your subscription through your account settings.
Dive into an enchanting underwater world in Wonderland: My Little Mermaid! Embark on an adventure to explore the Sea World Castle, meet mermaids, and create your own Sea World Story. Discover new characters, activities, and 14 exciting Sea Kingdom locations in this magical game for kids.
Transform your photos into stunning underwater portraits with our Mermaid Makeover app! Dive into a world of fantasy with unique mermaid-themed filters and effects. Download now and unleash your inner mermaid!
"Dive into the ocean to uncover surprise mermaid dolls in this fun makeup game. Break mermaid eggs, reveal their looks with water, collect prizes, and expand your closet with blind bags. Start playing now!"
"Immerse yourself in the underwater world of adorable mermaids at Lovely Cat Mermaid Castle! Hatch shell eggs, summon cute mermaids like Kitten, Bunny, and rare species, play mini-games, and dress up your mermaid friends. Explore different scenes, interact with furniture, and enjoy endless fun with your little mermaid companions. Bring your friends and create beautiful memories together in this free-to-play game!"
Embark on an exciting underwater adventure where you can dress up a mermaid princess in various outfits and accessories. Dive into a world of creativity and imagination now!