Diena Journal vs Persona AI
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Diena Journal
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Diena Journal is a collaborative journal. Create memories and invite your friends to contribute. Together, add photos, text and musique on the pages of your shared album ! Explore memories using the zoomable timeline, a new interaction experience that lets you explore time in an intuitive manner. Long-press anywhere on the timeline to add a memory. The app does not require an account to work, but it's recommended to take advantage of the collaborative features and back-up your memories. Its unique design lets you work offline and synchronize your changes when your network is stable.
Persona AI
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.
- 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
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You think, you reflect, and then you forget. Persona AI turns your daily introspections into an evolving map of your personality. Without long-term analysis, your journals stay passive archives. You miss how your thoughts change over time, the recurring patterns that define you, and a clearer view of how you might evolve. โข AI-powered journal with weekly, monthly, yearly & all-time retrospectives. โข Automatic synthesis: thought patterns, character traits, and evolution over time. โข Personality evolution timeline and life-phase insights. โข Full PDF export of your retrospectives. โข 100% private: your data stays in your iCloud; AI runs on-device. Download for free. Start your 7-day trial to discover your first patterns today. --- Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://persona-ai.to/privacy
Screenshots
Verdict
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.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
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.
| Parameter | Diena Journal | Persona AI |
|---|---|---|
| Price | Free | Free |
| Positive reviews | โ | 100.0% of reviews |
| Update frequency | Every 6 days | Every 4 days โ better |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Monetization | โ | Free with in-app purchases |
| Devices | iPhone | iPhone, iPad, iPod โ better |
| Requires iOS | 16.0 | 15.0 โ better |
| Further details โ not scored | ||
| Size | 91 MB | 10 MB |
| Age rating | 17+ | 4+ |
| Developer | LUCAS RED PLUVINAGE | THOMAS MARIE PIERRE JEAN AXEL LANNEAU |
In-app purchases
Diena Journal
No in-app purchases
Persona AI
- Premium Monthly Access$5.991 Month
- Premium Annual Access7 Days trial$49.991 Year
- Lifetime Premium Access$129.99









