# Scan to PDF vs Seen | Web

The clearest difference is in-app purchases: Scan to PDF at none against Seen | Web's 2. Scan to PDF also leads on ads (none vs shown) and iOS requirement (14.0 vs 18.6). Seen | Web's advantage is update cadence (fortnightly vs every 21 months). On price and device support there is nothing between them.

Both are free to download. Seen | Web sells 2 in-app purchases, starting at $0.99 per month. Scan to PDF asks for nothing beyond the download.

Scan to PDF ships an update every 21 months, Seen | Web fortnightly. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Scan to PDF | Seen | Web |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/seen-web/id6770228206/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 21 months | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 29 MB | 13 MB |
| Requires iOS | **14.0** | 18.6 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [Yogesh Rathod](https://appshunter.io/developer/1548316962) | [Paran](https://appshunter.io/developer/1698510581) |

## What reviewers say

### Scan to PDF

[App page](https://appshunter.io/ios/app/scan-to-pdf-pdf-scanner-app/id1614049317)

**Features:** macOS Compatibility

**In-app purchases:** none


### Seen | Web

[App page](https://appshunter.io/ios/app/seen-web/id6770228206)

Save web pages from Safari and find them quickly later. Build a private web memory with summaries and tags. Syncs privately via iCloud without requiring sign-up.

**Highlights:** Save web pages from Safari, Fast page retrieval, View summaries and tags, Private iCloud sync, No sign-up required, Organize research links

**Features:** Safari Extension, Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Seen Pro | $0.99 | per month |
| Seen Pro | $3.99 | one-time |


## Frequently asked questions

### Is Scan to PDF free?

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

### Is Seen | Web free?

Seen | Web is free to download, with in-app purchases available.

### Do Scan to PDF or Seen | Web have ads?

Seen | Web shows ads; Scan to PDF does not.

### Which is updated more often, Scan to PDF or Seen | Web?

Scan to PDF ships an update every 21 months, and Seen | Web fortnightly. Most recently, Scan to PDF was updated on October 25, 2026 and Seen | Web on October 31, 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.*