# Sealed Letter vs All Document Reader

The clearest difference is ads: Sealed Letter at none against All Document Reader's shown. Sealed Letter also leads on update cadence (fortnightly vs every 6 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Sealed Letter sells 2 in-app purchases, starting at $0.99 per month and All Document Reader sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Sealed Letter ships an update fortnightly, All Document Reader every 6 weeks. The most recent releases landed on October 31, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Sealed Letter | All Document Reader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Size | 30 MB | 92 MB |
| Requires iOS | **15.0.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Continuia OU](https://appshunter.io/developer/1864678999) | [Ihsan Ahmad](https://appshunter.io/developer/1281244828) |

## What reviewers say

### Sealed Letter

[App page](https://appshunter.io/ios/app/sealed-letter/id6757117266)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sealed Letter Subscription | $0.99 | per month |
| Sealed Letter Subscription | $9.99 | per year |


### All Document Reader

[App page](https://appshunter.io/ios/app/all-document-reader-ai-and-docs/id6766893198)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $2.99 | per 7 days |
| Premium Monthly | $7.99 | per month |
| Premium Yearly | $49.99 | per year |


## Frequently asked questions

### Is Sealed Letter free?

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

### Is All Document Reader free?

All Document Reader is free to download, with in-app purchases available.

### Do Sealed Letter or All Document Reader have ads?

All Document Reader shows ads; Sealed Letter does not.

### Which is updated more often, Sealed Letter or All Document Reader?

Sealed Letter ships an update fortnightly, and All Document Reader every 6 weeks. Most recently, Sealed Letter was updated on October 31, 2026 and All Document Reader on October 29, 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.*