# Defter: Simple Notes — Secure Note Taking App

> Secure Note Taking App (iPhone/iPad app by Hakan Olgun.)

- Source: https://appshunter.io/ios/app/defter-simple-notes/id1662311843 (this page in markdown: same URL + `.md`)
- Developer: [Hakan Olgun](https://appshunter.io/developer/1665654762)
- Category: Productivity, Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 15.1 · 37 MB
- Languages: American English
- Released: 2023-01-27
- Data updated: 2026-06-04
- User reviews in markdown: https://appshunter.io/ios/app/defter-simple-notes/id1662311843/reviews.md

## What is Defter?

Welcome to Defter, the all-in-one notebook designed to simplify your daily life! Whether you need to jot down quick thoughts, organize your grocery shopping, or keep track of personal debts and credits, Defter has you covered in one elegant, easy-to-use app.

Key Features:

- Versatile Notebooks
Create text notes or checklists depending on your needs. Keep everything neatly categorized and easily accessible whenever an idea strikes.

- To-Do & Shopping Lists
Never forget a task or an item at the grocery store. Manage your daily chores, long-term goals, or shopping lists with our intuitive checklist feature.

- Debt & Credit Tracker
Keep track of who owes you money and who you owe. Easily log the person, amount, and reason. Managing your personal finances with friends and family has never been easier!

- 100% Private & Secure
Your privacy is our priority. All your notes, lists, and financial records are stored locally on your device. We do not upload your data to any servers, ensuring that your sensitive information remains exclusively yours.

- Multi-Language Support
Enjoy Defter in your preferred language! We support English, Turkish, German, French, Spanish, Portuguese, and Russian.

Why Choose Defter?
Defter translates to "Notebook" in Turkish, and true to its name, it brings the trusted, traditional notebook experience into the digital age. By consolidating multiple apps into one, you save storage space on your device and streamline your productivity. Say goodbye to scattered lists across different apps!

Download Defter today and start organizing your life with confidence and absolute privacy!


## Version history (last 5 releases)

### 4.2.0 — 2026-03-07

App name and icon changed.
Multi language support available.
Custom notebook creation available.

### 3.0.0 — 2024-07-17

Tasarım yenilendi.

### 2.2.1 — 2024-01-08

Tasarım değişiklikleri yapıldı.

### 2.2.0 — 2023-12-18

- Altın günü bölümü silindi
- Soru bankası bölümü eklendi
- Stil değişiklikleri ve güncellemeler yapıldı

### 2.1.1 — 2023-07-09

- Not defteri not düzenleme hatası düzeltildi

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| App | Rating | Price | Category |
| --- | --- | --- | --- |
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| [Notiva: Notes, Tasks & Focus](https://appshunter.io/ios/app/notiva-notes-tasks-and-focus/id6450840399) | — | Free | Productivity |
| [EasyNote - Simple Notepad](https://appshunter.io/ios/app/easynote-simple-notepad/id6469027955) | — | Free | Productivity |
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| [ZappID](https://appshunter.io/ios/app/zappid/id1455029820) | — | Free | Productivity |
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## More apps by Hakan Olgun

- [Boatlantis](https://appshunter.io/ios/app/boatlantis/id1665654760)
- [Vision Helper](https://appshunter.io/ios/app/vision-helper/id6743370866)
- [Parentara: Parenting Guide](https://appshunter.io/ios/app/parentara-parenting-guide/id6755937626)
- [Messajio: Occasion Messages](https://appshunter.io/ios/app/messajio-occasion-messages/id6758252680)
- [AvoTrack: Calorie Tracker](https://appshunter.io/ios/app/avotrack-calorie-tracker/id6767852514)

All apps by Hakan Olgun: https://appshunter.io/developer/1665654762

## Related topics

[defter notes](https://appshunter.io/ios/topics/defter-notes)

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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 2026-06-04.*