# Perfect Journal vs Locked Secrets Diary

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

Both are free to download. Perfect Journal sells 3 in-app purchases, starting at $0.49 per month. Locked Secrets Diary asks for nothing beyond the download.

Perfect Journal ships an update monthly, Locked Secrets Diary every 4 days. The most recent releases landed on October 8, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Perfect Journal | Locked Secrets Diary |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 14 MB |
| Requires iOS | 17.6 | 17.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 9+ |
| Developer | [Kouichi Abe](https://appshunter.io/developer/295852950) | [Roman Rudych](https://appshunter.io/developer/1883545600) |

## What reviewers say

### Perfect Journal

[App page](https://appshunter.io/ios/app/perfect-journal/id1460577819)

A simple yet powerful diary app for daily event recording. It allows users to attach multiple photos, record voice notes, tag entries, and manage cash flow. Security features like passcode and biometric locks are included for privacy.

**Highlights:** Attach multiple photos, 60-second voice notes, Tagging/Labeling, Location recording, Cashflow management, Passcode & biometric lock, Intuitive tap-only UI

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hamster | $0.49 | per month |
| Turtle | $4.49 | per year |
| Phoenix | $12.99 | 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 Perfect Journal free?

Perfect Journal 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 Perfect Journal or Locked Secrets Diary have ads?

Neither Perfect Journal nor Locked Secrets Diary shows ads.

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

Perfect Journal ships an update monthly, and Locked Secrets Diary every 4 days. Most recently, Perfect Journal was updated on October 8, 2026 and Locked Secrets Diary on October 11, 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.*