# PDFAuto vs Mailmaster AI

The clearest difference is in-app purchases: PDFAuto at none against Mailmaster AI's 2. Mailmaster AI's advantage is iOS requirement (14.0.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. Mailmaster AI sells 2 in-app purchases, starting at $6.99 per 7 days. PDFAuto asks for nothing beyond the download.

## The numbers

| Metric | PDFAuto | Mailmaster AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Size | 97 MB | 38 MB |
| Requires iOS | 16.0 | **14.0.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [敏锋 黄](https://appshunter.io/developer/1645527564) | [Collins Vidzro](https://appshunter.io/developer/1874312895) |

## What reviewers say

### PDFAuto

[App page](https://appshunter.io/ios/app/pdfauto-local-pdf-ai-assistant/id6778434973)

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

**In-app purchases:** none


### Mailmaster AI

[App page](https://appshunter.io/ios/app/mailmaster-ai-email-assistant/id6779961815)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mailmaster AI Pro - Weekly | $6.99 | per 7 days |
| Mailmaster AI Pro - Yearly | $69.99 | per year |


## Frequently asked questions

### Is PDFAuto free?

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

### Is Mailmaster AI free?

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

### Do PDFAuto or Mailmaster AI have ads?

Neither PDFAuto nor Mailmaster AI shows ads.

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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.*