# Memo Stacker vs Persona AI

The clearest difference is ads: Persona AI at none against Memo Stacker's shown. Persona AI also leads on update cadence (every 4 days vs every 2 weeks). On price, review sentiment, in-app purchases and monetization model there is nothing between them.

Both are free to download. Memo Stacker sells 2 in-app purchases, starting at $2.99 per month and Persona AI sells 3 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

Memo Stacker ships an update every 2 weeks, Persona AI every 4 days. The most recent releases landed on October 19, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Memo Stacker | Persona AI |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 90 MB | 10 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Trivial Ventures](https://appshunter.io/developer/1772834670) | [THOMAS MARIE PIERRE JEAN AXEL LANNEAU](https://appshunter.io/developer/1872229815) |

## What reviewers say

### Memo Stacker

[App page](https://appshunter.io/ios/app/memo-stacker-notes-and-diary/id6736639271)

This app helps you capture and organize your thoughts, ideas, and daily logs. It automatically stacks your entries chronologically, making it easy to look back on your past records through a visual timeline. Enjoy customizable features and secure data storage options.

**Highlights:** Timeline notes, Auto-organized by date, Habit tracking stats, Modern font customization, Dark mode support, iCloud Drive integration, Local data storage option

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro plan Monthly | $2.99 | per month |
| Remove Ads | $2.99 | one-time |


### 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 Memo Stacker free?

Memo Stacker is free to download, with in-app purchases available.

### Is Persona AI free?

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

### Do Memo Stacker or Persona AI have ads?

Memo Stacker shows ads; Persona AI does not.

### Which is updated more often, Memo Stacker or Persona AI?

Memo Stacker ships an update every 2 weeks, and Persona AI every 4 days. Most recently, Memo Stacker was updated on October 19, 2026 and Persona AI on October 8, 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.*