# Diena Journal vs Persona AI

The clearest difference is in-app purchases: Diena Journal at none against Persona AI's 3. Persona AI's advantage is device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. Persona AI sells 3 in-app purchases, starting at $5.99 per month. Diena Journal asks for nothing beyond the download.

Diena Journal ships an update every 6 days, Persona AI every 4 days. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Diena Journal | Persona AI |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 days | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 91 MB | 10 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [LUCAS RED PLUVINAGE](https://appshunter.io/developer/1863894848) | [THOMAS MARIE PIERRE JEAN AXEL LANNEAU](https://appshunter.io/developer/1872229815) |

## What reviewers say

### Diena Journal

[App page](https://appshunter.io/ios/app/diena-journal/id6756957966)

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

**In-app purchases:** none


### Persona AI

[App page](https://appshunter.io/ios/app/persona-ai-pattern-analysis/id6758318487)

This app uses AI to analyze your journal entries, revealing recurring thought patterns and personality evolution over time. It provides weekly, monthly, and yearly retrospectives, offering insights into your personal growth. Your data is kept private and processed on-device.

**Highlights:** AI-powered journal analysis, Weekly, monthly, yearly retrospectives, Automatic synthesis of thought patterns, Personality evolution timeline, Life-phase insights, PDF export of retrospectives, 100% private, on-device AI

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly Access | $5.99 | per month |
| Premium Annual Access | $49.99 | per year |
| Lifetime Premium Access | $129.99 | one-time |


## Frequently asked questions

### Is Diena Journal free?

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

### Is Persona AI free?

Persona AI is free to download, with in-app purchases available.

### Do Diena Journal or Persona AI have ads?

Neither Diena Journal nor Persona AI shows ads.

### Which is updated more often, Diena Journal or Persona AI?

Diena Journal ships an update every 6 days, and Persona AI every 4 days. Most recently, Diena Journal was updated on November 9, 2026 and Persona AI 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.*