# Dualock vs ghostmemo

The clearest difference is price: ghostmemo at Free against Dualock's $1.99. ghostmemo also leads on update cadence (monthly vs every 4 months). Dualock's advantage is in-app purchases (none vs 2) and iOS requirement (12.0 vs 17.2). On rating, ratings volume, ads and device support there is nothing between them.

ghostmemo is free to download; Dualock costs $1.99 up front. ghostmemo sells 2 in-app purchases, starting at $2.99 per month. Dualock asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Dualock against 5.0 for ghostmemo. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Dualock ships an update every 4 months, ghostmemo monthly. The most recent releases landed on October 3, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Dualock | ghostmemo |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/dualock-secure-note/id597531505/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/ghostmemo/id6740350700/reviews) |
| Number of ratings | 1 | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | Paid | **Freemium** |
| Size | 26 MB | 3 MB |
| Requires iOS | **12.0** | 17.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Gear Zero Network Inc.](https://appshunter.io/developer/1081762357) | [COLIN DIVELY](https://appshunter.io/developer/1698804269) |

## What reviewers say

### Dualock

[App page](https://appshunter.io/ios/app/dualock-secure-note/id597531505)

This app securely stores your notes by splitting them into two encrypted parts, stored separately. Access requires authentication from two specified SNS accounts, ensuring your data remains private and inaccessible to others.

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

**Features:** macOS Compatibility

**In-app purchases:** none


### ghostmemo

[App page](https://appshunter.io/ios/app/ghostmemo/id6740350700)

Securely store private notes, passwords, and logs with end-to-end encryption. This app offers local encryption, Face ID/PIN protection, and an intuitive interface for easy data safeguarding. Keep your personal information private and accessible only to you.

**Highlights:** End-to-end encryption, Local data handling, Face ID/PIN authentication, Password storage, Health log keeping, Text formatting, Beginner encryption guide

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ghostmemo+ | $2.99 | per month |
| ghostmemo+ | $24.99 | per year |


## Frequently asked questions

### Is Dualock free?

Dualock costs $1.99, with no in-app purchases.

### Is ghostmemo free?

ghostmemo is free to download, with in-app purchases available.

### Which has better reviews, Dualock or ghostmemo?

Dualock and ghostmemo are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do Dualock or ghostmemo have ads?

Neither Dualock nor ghostmemo shows ads.

### Which is updated more often, Dualock or ghostmemo?

Dualock ships an update every 4 months, and ghostmemo monthly. Most recently, Dualock was updated on October 3, 2026 and ghostmemo on October 1, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*