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Screenshots

  • Koi Coin: Daily Budget screenshot 1
  • Koi Coin: Daily Budget screenshot 2
  • Koi Coin: Daily Budget screenshot 3
  • Koi Coin: Daily Budget screenshot 4

About Koi Coin: Daily Budget

Koi Coin turns this month's spending money into a tank of koi. Every fish in the tank is money you still have, so a glance tells you how much is safe to spend today. Log a purchase and fish of the same value turn into coins and swim away. No complicated ledgers. Just take care of today. With simple gestures: • Swipe up to add an expense • Swipe right to look back at every day's little tank • Swipe left to bag big expenses like rent or trips ahead of time • Swipe down for coin stacks and spending insights Koi Coin Plus unlocks full history, more future plans, and complete insights. Monthly and annual plans renew automatically. Lifetime is a one-time purchase. Prices may vary by App Store region. Privacy by default: no account, no ads or third-party analytics. Your records stay on your device. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://indie-make.github.io/youyu-legal/privacy/

What’s new

Version 1.6 · Updated October 21, 2026

· New spending stats: see each day of the week, month or last 3 months against your daily allowance. Tap a day to see what you spent. · New records page: browse by week, month, 3 months or everything, jump to a day, filter by category and search. · Add entry now sits in Today's card, easier to reach; scroll up and it becomes a small + that's always there. · The cat hides behind the cards and peeks out as the page moves. · Swiping between pages is smoother, the fish keep swimming while you swipe, and side swipes no longer trigger taps. · Tap a thing on the table and the cat walks over and takes on its mood, each with its own walk; double-tap to bring it back. · New settings: keep the cat grounded when you shake or tilt, and choose how many decimals today's number shows.

App privacy

The developer, 李信栋, reported these privacy practices to Apple.

Data Not Collected

The developer does not collect any data from this app.

Alternatives to Koi Coin: Daily Budget

Looking for apps like Koi Coin: Daily Budget? Here are 6 similar apps on the App Store. The highest rated is Qinghe Ledger: Voice & Bills (5.0/5), and all 6 are free to download.

Koi Coin: Daily Budget vs. alternatives
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Koi Coin: Daily Budget 5.0 / 5 (1 rating) Free October 21, 2026
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