# ZzzBank

> ZzzBank (iPhone/iPad app by Inho Lee.)

- Source: https://appshunter.io/ios/app/zzzbank/id6743993856 (this page in markdown: same URL + `.md`)
- Developer: [Inho Lee](https://appshunter.io/developer/1760174305)
- Category: Health & Fitness, Finance
- Price: Free
- Age rating: 4+
- Requires: iOS 18.0 · 32 MB
- Languages: American English
- Released: 2025-04-01
- Data updated: 2026-05-14
- User reviews in markdown: https://appshunter.io/ios/app/zzzbank/id6743993856/reviews.md

## What is ZzzBank?

Track your sleep, borrow when needed, and repay with rest

▶ Borrow Sleep
Too busy to rest? Borrow sleep to stay focused.

▶ Repay Sleep
Pay back every hour you’ve borrowed.
Tap the notification to check your updated sleep data.

▶ Sleep History
View all your borrow and repay records.

▶ Meet Pebby
Your buddy changes with your sleep status.


Inspired by the “Sleep Bank” episode from the webtoon "Lee Mal-nyeon series". Special thanks for the inspiration.


## Version history (last 5 releases)

### 1.3.0 — 2025-11-19

What’s New:
• Sleep battle results are now generated automatically with richer, more personalized insights.
• You can now chat with your Midnight Chat assistant - ask questions, explore tips, and get helpful sleep guidance.

### 1.2.2 — 2025-07-21

Minor improvements and preparations for upcoming features.

### 1.2.1 — 2025-07-14

Made several usability improvements.

### 1.2 — 2025-07-12

Explore more with the newly added activity.

### 1.1 — 2025-04-14

We’ve improved usability and added a new onboarding flow.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-14.*