# Just One Thought vs Locked Secrets Diary

The clearest difference is update cadence: Locked Secrets Diary at every 4 days against Just One Thought's every 10 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Just One Thought ships an update every 10 days, Locked Secrets Diary every 4 days. Both last shipped on October 28, 2026.

## The numbers

| Metric | Just One Thought | Locked Secrets Diary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 4 days** |
| Size | 4 MB | 14 MB |
| Requires iOS | **16.6** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Aleksandr Pogrebitskii](https://appshunter.io/developer/1795393367) | [Roman Rudych](https://appshunter.io/developer/1883545600) |

## What reviewers say

### Just One Thought

[App page](https://appshunter.io/ios/app/just-one-thought/id6751008219)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 Just One Thought free?

Just One Thought is free to download, with no in-app purchases.

### Is Locked Secrets Diary free?

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

### Do Just One Thought or Locked Secrets Diary have ads?

Neither Just One Thought nor Locked Secrets Diary shows ads.

### Which is updated more often, Just One Thought or Locked Secrets Diary?

Just One Thought ships an update every 10 days, and Locked Secrets Diary every 4 days. Most recently, Just One Thought was updated on October 28, 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.*