# PST Reader · Opener, Converter vs RecallaMemo

The clearest difference is update cadence: RecallaMemo at every 2 days against PST Reader · Opener, Converter's weekly. PST Reader · Opener, Converter's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. PST Reader · Opener, Converter sells 7 in-app purchases, starting at $8.99 per 7 days and RecallaMemo sells 1 in-app purchase, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

PST Reader · Opener, Converter ships an update weekly, RecallaMemo every 2 days. Both last shipped on October 28, 2026.

## The numbers

| Metric | PST Reader · Opener, Converter | RecallaMemo |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 2 days** |
| Monetization | Freemium | — |
| Size | 14 MB | 94 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Rush Tools LLC](https://appshunter.io/developer/1896773547) | [Unissecure Technology (Shenzhen) Co.,Ltd](https://appshunter.io/developer/1865377322) |

## What reviewers say

### PST Reader · Opener, Converter

[App page](https://appshunter.io/ios/app/pst-reader-opener-converter/id6777724591)

Access, read, and convert Outlook PST and OST archive files without needing Outlook installed. This app allows you to quickly open large archives, search for specific content, and export data into various formats like PDF, MBOX, and EML.

**Highlights:** Open PST and OST archives, Read emails, contacts, and calendar events, Full text search across archives, Filter by sender, date, and attachments, Convert archives to PDF, MBOX, EML, Export attachments and contacts, Works fully offline

**Features:** Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $8.99 | per 7 days |
| Pro Weekly | $9.99 | per 7 days |
| Pro Annual | $19.99 | per year |
| Pro Annual | $29.99 | per year |
| Pro Annual | $39.99 | per year |
| Pro Annual | $49.99 | per year |
| Pro Annual | $79.99 | per year |


### RecallaMemo

[App page](https://appshunter.io/ios/app/recallamemo/id6785378065)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Recalla Pro | $2.99 | per month |


## Frequently asked questions

### Is PST Reader · Opener, Converter free?

PST Reader · Opener, Converter is free to download, with in-app purchases available.

### Is RecallaMemo free?

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

### Do PST Reader · Opener, Converter or RecallaMemo have ads?

Neither PST Reader · Opener, Converter nor RecallaMemo shows ads.

### Which is updated more often, PST Reader · Opener, Converter or RecallaMemo?

PST Reader · Opener, Converter ships an update weekly, and RecallaMemo every 2 days. Most recently, PST Reader · Opener, Converter was updated on October 28, 2026 and RecallaMemo on October 28, 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.*