# Various principle vs Diary

The clearest difference is in-app purchases: Diary at none against Various principle's 1. Diary also leads on update cadence (every 2 days vs every 11 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Various principle sells 1 one-off in-app purchase. Diary asks for nothing beyond the download.

Various principle ships an update every 11 days, Diary every 2 days. The most recent releases landed on October 5, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Various principle | Diary |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 201 MB | 75 MB |
| Requires iOS | **13.6** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Man Hung Sun](https://appshunter.io/developer/1471605573) | [Thuyet Luong](https://appshunter.io/developer/1655884965) |

## What reviewers say

### Various principle

[App page](https://appshunter.io/ios/app/various-principle/id1599471639)

Explore life-guiding principles across various categories like work, family, and technology. Customize your learning with notes and create your own principles, plus enjoy a mini-game for relaxation. Enhance personal development and gain inspiration.

**Highlights:** Explore principles across 8 categories, Create custom principles, Take notes on principles, Includes a mini-game, Personal development focus

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| upgrade | $0.99 | one-time |


### Diary

[App page](https://appshunter.io/ios/app/diary-nhat-ky/id6444658233)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Various principle free?

Various principle is free to download, with in-app purchases available.

### Is Diary free?

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

### Do Various principle or Diary have ads?

Neither Various principle nor Diary shows ads.

### Which is updated more often, Various principle or Diary?

Various principle ships an update every 11 days, and Diary every 2 days. Most recently, Various principle was updated on October 5, 2026 and Diary on October 12, 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.*