# Lock Notes vs OCR Image AI

The clearest difference is monetization model: OCR Image AI at free with in-app purchases against Lock Notes's subscription. OCR Image AI also leads on iOS requirement (12.0 vs 15.0). Lock Notes's advantage is rating (4.4 vs 4.0) and ratings volume (137 vs 17). On price, review sentiment, update cadence and ads 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 OCR Image AI sells 3 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Lock Notes holds the better App Store score, 4.4 against 4.0. That said, the two scores are not equally well evidenced: Lock Notes has 137 ratings behind it against 17, so its average is the more settled of the two. Written reviews point the same way: 57% of Lock Notes's written reviews are positive against 50% of OCR Image AI's.

Lock Notes ships an update every 10 days, OCR Image AI every 5 days. The most recent releases landed on September 22, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Lock Notes | OCR Image AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (137 ratings)](https://appshunter.io/ios/app/lock-notes-private-journal/id1211884686/reviews)** | [4.0 (17 ratings)](https://appshunter.io/ios/app/ocr-image-ai-photo-to-text/id6748521663/reviews) |
| Number of ratings | **137** | 17 |
| Positive reviews | **56.5% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 5 days** |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 15 MB | 49 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [LYKOV STUDIO LTD](https://appshunter.io/developer/1783754094) | [RapidNova](https://appshunter.io/developer/1826052446) |

## 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 |


### OCR Image AI

[App page](https://appshunter.io/ios/app/ocr-image-ai-photo-to-text/id6748521663)

Digitize physical documents and extract text with this powerful scanning app. It offers advanced features like real-time text detection, smart organization, and full-text search for efficient document management. Ideal for students, professionals, and anyone needing to convert printed material into editable text.

**Highlights:** Advanced document scanning, Live text detection, Automatic document organization, Smart full-text search, Copy and share extracted text, Batch scanning

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium Access | $5.99 | per 7 days |
| Yearly Premium Access | $39.99 | per year |
| Life Time Premium Access | $99.99 | one-time |


## Frequently asked questions

### Is Lock Notes free?

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

### Is OCR Image AI free?

OCR Image AI is free to download, with in-app purchases available.

### Which has better reviews, Lock Notes or OCR Image AI?

Lock Notes is rated higher. Lock Notes averages 4.4 out of 5 from 137 ratings, while OCR Image AI averages 4.0 from 17 ratings.

### Do Lock Notes or OCR Image AI have ads?

Neither Lock Notes nor OCR Image AI shows ads.

### Which is updated more often, Lock Notes or OCR Image AI?

Lock Notes ships an update every 10 days, and OCR Image AI every 5 days. Most recently, Lock Notes was updated on September 22, 2026 and OCR Image AI on September 19, 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.*