# Dualock: Secure Note — Your safebox on the cloud

> Encrypted note storage using two separate SNS account authentications. (iPhone/iPad app by Gear Zero Network Inc..)

- Source: https://appshunter.io/ios/app/dualock-secure-note/id597531505 (this page in markdown: same URL + `.md`)
- Developer: [Gear Zero Network Inc.](https://appshunter.io/developer/1081762357)
- Category: Utilities, Productivity
- Price: $1.99
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 12.0 · 26 MB
- Languages: American English
- Released: 2013-03-20
- Data updated: 2026-07-04
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/dualock-secure-note/id597531505/reviews.md

## What is Dualock?

Write your note. Leave Dualock keep it safe in the cloud.
We do not use password, because password is not safe enough and hard to remember.

Every note you saved here will be splited into two part.
Both the parts will encrypted separately and saved separately, using a pair of SNS account you specified.

To unlock your note, both accounts is needed.
Only you know the pair and the order of the pair.
It's safe. Even I don't know how to crack it.

## Key features

- Two-part encrypted note storage
- Separate cloud storage for each part
- Dual SNS account authentication
- No password required
- Secure and private data handling


## Frequently asked questions about Dualock

### What is Dualock's security model?

Dualock secures notes by splitting them into two encrypted parts, stored separately. Access requires authentication from two specified SNS accounts, making it highly resistant to unauthorized access.

### Does Dualock have ads?

Dualock is ad-free, providing an uninterrupted user experience without advertisements.

### How much does Dualock cost?

Dualock is a paid application, available for a one-time purchase of $1.99.

### What devices support Dualock?

Dualock is supported on iPhone and iPod devices.

### How often is Dualock updated?

Dualock was last updated on June 5, 2024, indicating regular maintenance and potential feature additions.

### What is the age rating for Dualock?

Dualock has an age rating of 4+, making it suitable for a wide range of users.

### Can I use Dualock without SNS accounts?

No, Dualock requires two specified SNS accounts for authentication to unlock your notes. This is central to its security design.

### What is the user sentiment for Dualock?

Based on the available data, Dualock has received a perfect rating of 5.0 stars from one review, suggesting positive initial user reception.

## Version history (last 5 releases)

### 1.4.3 — 2024-06-05

Update libraries and frameworks

### 1.4.1 — 2021-04-05

Fix order issue in search result.

### 1.4.0 — 2021-04-04

You can search notes now.

### 1.3.7 — 2018-09-27

Update iOS 12 compitiable

### 1.3.6 — 2017-11-03

Adopt iPhone X screen.

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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 2026-07-04.*