# Secret Diary vs Locked Secrets Diary

The clearest difference is in-app purchases: Locked Secrets Diary at none against Secret Diary's 3. Locked Secrets Diary also leads on update cadence (every 4 days vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Secret Diary sells 3 in-app purchases, starting at $2.99 per month. Locked Secrets Diary asks for nothing beyond the download.

Secret Diary ships an update every 4 months, Locked Secrets Diary every 4 days. The most recent releases landed on October 31, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Secret Diary | Locked Secrets Diary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 days** |
| Size | 14 MB | 14 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Shankar Dutt](https://appshunter.io/developer/1866130658) | [Roman Rudych](https://appshunter.io/developer/1883545600) |

## What reviewers say

### Secret Diary

[App page](https://appshunter.io/ios/app/secret-diary-private-journal/id6760246711)

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $2.99 | per month |
| Premium Yearly | $19.99 | per year |
| Premium Lifetime | $49.99 | one-time |


### Locked Secrets Diary

[App page](https://appshunter.io/ios/app/locked-secrets-diary/id6760317245)

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

**In-app purchases:** none


## Frequently asked questions

### Is Secret Diary free?

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

### Is Locked Secrets Diary free?

Locked Secrets Diary is free to download, with no in-app purchases.

### Do Secret Diary or Locked Secrets Diary have ads?

Neither Secret Diary nor Locked Secrets Diary shows ads.

### Which is updated more often, Secret Diary or Locked Secrets Diary?

Secret Diary ships an update every 4 months, and Locked Secrets Diary every 4 days. Most recently, Secret Diary was updated on October 31, 2026 and Locked Secrets Diary on October 28, 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.*