Comparison

Diena Journal vs Persona AI

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

Diena Journal

Features
Read full description

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.

About

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.

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
Read full description

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. โ€ข AI-powered journal with weekly, monthly, yearly & all-time retrospectives. โ€ข Automatic synthesis: thought patterns, character traits, and evolution over time. โ€ข Personality evolution timeline and life-phase insights. โ€ข Full PDF export of your retrospectives. โ€ข 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

Diena Journal4 screens
Persona AI4 screens

Verdict

The call

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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.

UpkeepUpdate frequency

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.

Scorecard2 real differences ยท 6 level
Diena Journal versus Persona AI: the parameters behind the verdict, then further details
ParameterDiena JournalPersona AI
PriceFreeFree
Positive reviewsโ€”100.0% of reviews
Update frequencyEvery 6 daysEvery 4 days โ€” better
AdsNoNo
In-app purchasesNo โ€” betterYes
Monetizationโ€”Free with in-app purchases
DevicesiPhoneiPhone, iPad, iPod โ€” better
Requires iOS16.015.0 โ€” better
Further details โ€” not scored
Size91 MB10 MB
Age rating17+4+
DeveloperLUCAS RED PLUVINAGETHOMAS MARIE PIERRE JEAN AXEL LANNEAU

In-app purchases

None

Diena Journal

No in-app purchases

3 purchases

Persona AI

Subscriptions2
  • Premium Monthly Access$5.991 Month
  • Premium Annual Access7 Days trial$49.991 Year
One-time1
  • Lifetime Premium Access$129.99

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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