# Diary Lock vs PDF Lite

The clearest difference is ads: PDF Lite at none against Diary Lock's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Diary Lock sells 4 in-app purchases, starting at $3.99 per 7 days and PDF Lite sells 4 in-app purchases, starting at $15.99 per year. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Diary Lock | PDF Lite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (5 ratings)](https://appshunter.io/ios/app/diary-lock-my-journal/id6759005602/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 71 MB | 46 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Jay Lakhani](https://appshunter.io/developer/1820580603) | [Ferda Nahit Fidanci](https://appshunter.io/developer/1689464732) |

## What reviewers say

### Diary Lock

[App page](https://appshunter.io/ios/app/diary-lock-my-journal/id6759005602)

Capture your thoughts, plans, and memories securely. This app offers rich text editing, voice notes, mood tracking, and smart reminders to help you organize your life and protect your private information.

**Highlights:** Rich text editor with formatting options, Voice note recording, PIN-protected individual notes, Daily mood tracking, Smart reminders and event scheduling, Drawing and image insertion

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro Access | $3.99 | per 7 days |
| Monthly Pro Access | $9.99 | per month |
| Yearly Pro Access | $19.99 | per year |
| Lifetime Pro Access | $39.99 | one-time |


### PDF Lite

[App page](https://appshunter.io/ios/app/pdf-lite-pdf-editor-and-reader/id6766692782)

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Yearly | $15.99 | per year |
| PDF Lite Premium | $15.99 | per year |
| PDF Lite Lifetime | $23.99 | one-time |
| PDF Lite Unlock | $31.99 | one-time |


## Frequently asked questions

### Is Diary Lock free?

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

### Is PDF Lite free?

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

### Do Diary Lock or PDF Lite have ads?

Diary Lock shows ads; PDF Lite does not.

### Which is updated more often, Diary Lock or PDF Lite?

Diary Lock ships an update every 2 weeks, and PDF Lite every 2 weeks. Most recently, Diary Lock was updated on October 31, 2026 and PDF Lite on November 5, 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.*