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Screenshots

  • Sumika - Deep Sea Pocketbook screenshot 1
  • Sumika - Deep Sea Pocketbook screenshot 2
  • Sumika - Deep Sea Pocketbook screenshot 3
  • Sumika - Deep Sea Pocketbook screenshot 4

About Sumika - Deep Sea Pocketbook

Manage your spending with ease using this simple, intuitive pocketbook app. No complicated categories or overwhelming reports—just a clear view of your money. If you're looking for a straightforward way to record your daily expenses, Sumika is for you. As you track your spending, your private deep-sea world grows, attracting unique and mysterious creatures to join your sanctuary. ◆ Perfect for: Moms and dads who recently switched to an allowance after having a child. Workers managing their daily costs within a monthly budget. Students starting to manage their own pocket money for the first time. ◆ Key Features: Simple Recording: Log your income and expenses with quick, intuitive taps. Spending Pace Gauge: See at a glance if you're spending too fast compared to your next allowance date. Deep-Sea Collection: Meet adorable creatures like flapjack octopuses and anglerfish as you maintain your habits. Your Own Encyclopedia: Build a collection of sea friends. Discovering who comes next makes daily logging a joy. Passcode Lock: Keep your sanctuary safe and private with a built-in passcode feature. Your allowance is your own world—a private space where you make the rules. Build your sanctuary and enjoy your financial journey with the inhabitants of the deep. Welcome to Sumika. Terms of Use: https://peppered-khaan-8e0.notion.site/Terms-of-Service-32f611f99392808faeb5c2acc4aa2c8e

What’s new

Version 1.10 · Updated June 16, 2026

[v1.10 Update] New Creature: Giant Pacific Octopus The "Giant Pacific Octopus" has arrived in the deep sea! Enjoy its fascinating and mysterious animations as it masterfully camouflages itself to fade into the background and reappear when you least expect it. New Creature: Leatherback Sea Turtle Meet the "Leatherback Sea Turtle," the largest of all living turtles. Watch it glide gracefully through the deep with smooth, fluffy paddling movements, bringing an extra touch of serenity to your daily logging routine. Customize Sumika to fit your own unique style and enjoy your peaceful logging journey. This update also includes ongoing bug fixes and performance improvements. If you love Sumika, please leave us a review—it truly means the world to an indie developer!

App privacy

The developer, Eiji Iriyama, reported these privacy practices to Apple.

Data Used to Track You

The following data may be used to track you across apps and websites owned by other companies:

  • Identifiers: Device ID
  • Usage Data: Advertising Data

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

  • Identifiers: Device ID
  • Usage Data: Advertising Data, Product Interaction

Used for: Third-Party Advertising, Analytics

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