# Lock Notes vs Document Signer

The clearest difference is monetization model: Document Signer at freemium against Lock Notes's subscription. Document Signer also leads on review sentiment (75% vs 54%) and rating (4.7 vs 4.4). Lock Notes's advantage is ratings volume (138 vs 26). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Lock Notes sells 7 in-app purchases, starting at $4.99 per 7 days and Document Signer sells 4 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Document Signer holds the better App Store score, 4.7 against 4.4. That said, the two scores are not equally well evidenced: Lock Notes has 138 ratings behind it against 26, so its average is the more settled of the two. Written reviews point the same way: 54% of Lock Notes's written reviews are positive against 75% of Document Signer's.

Lock Notes ships an update every 10 days, Document Signer every 9 days. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Lock Notes | Document Signer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (138 ratings)](https://appshunter.io/ios/app/lock-notes-private-journal/id1211884686/reviews) | **[4.7 (26 ratings)](https://appshunter.io/ios/app/document-signer-simplesign/id6502412936/reviews)** |
| Number of ratings | **138** | 26 |
| Positive reviews | 54.2% of reviews | **75.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 9 days** |
| Monetization | Subscription | **Freemium** |
| Size | 23 MB | 47 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [LYKOV STUDIO LTD](https://appshunter.io/developer/1783754094) | [Zion Studios LLC](https://appshunter.io/developer/1685918923) |

## What reviewers say

### Lock Notes

[App page](https://appshunter.io/ios/app/lock-notes-private-journal/id1211884686)

Securely store private thoughts, passwords, and reminders with biometric authentication. Enjoy a simple, elegant interface with iCloud sync, customizable themes, and backup options. Your data remains private and encrypted.

**Highlights:** Biometric authentication (Face ID, Touch ID), Encrypted note storage, iCloud sync across devices, Customizable themes and dark mode, Backup and restore functionality, Ad-free minimalist interface

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Weekly | $4.99 | per 7 days |
| Monthly | $7.99 | per month |
| Annual | $29.99 | per year |
| Annual | $29.99 | per year |
| Disable ads | $0.99 | one-time |
| Lifetime | $39.99 | one-time |


### Document Signer

[App page](https://appshunter.io/ios/app/document-signer-simplesign/id6502412936)

Easily sign PDFs, fill forms, and manage scanned documents. This app offers a free e-signature feature and a camera scanner. Upgrade to Pro for advanced editing tools, templates, and cloud syncing.

**Highlights:** Electronic document signing, PDF and image file signing, Camera scanner for documents, Document editing tools, Ready-to-use templates, Google Drive syncing, Local storage for privacy

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly Subscription | $4.99 | per 7 days |
| Pro Monthly Subscription | $12.99 | per month |
| Pro Yearly Subscription | $59.99 | per year |
| Lifetime SimpleSign Offer | $69.99 | one-time |


## Frequently asked questions

### Is Lock Notes free?

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

### Is Document Signer free?

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

### Which has better reviews, Lock Notes or Document Signer?

Document Signer is rated higher. Lock Notes averages 4.4 out of 5 from 138 ratings, while Document Signer averages 4.7 from 26 ratings.

### Do Lock Notes or Document Signer have ads?

Neither Lock Notes nor Document Signer shows ads.

### Which is updated more often, Lock Notes or Document Signer?

Lock Notes ships an update every 10 days, and Document Signer every 9 days. Most recently, Lock Notes was updated on November 2, 2026 and Document Signer on October 30, 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.*