# Chat Backup vs PDF Scanner

The clearest difference is update cadence: PDF Scanner at every 8 days against Chat Backup's every 2 months. Chat Backup's advantage is iOS requirement (13.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Chat Backup sells 2 one-off in-app purchases and PDF Scanner sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Chat Backup ships an update every 2 months, PDF Scanner every 8 days. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Chat Backup | PDF Scanner |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 8 days** |
| Size | 48 MB | 46 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 12+ |
| Developer | [宗海 陈](https://appshunter.io/developer/1732702255) | [Mayur Sutariya](https://appshunter.io/developer/1824431483) |

## What reviewers say

### Chat Backup

[App page](https://appshunter.io/ios/app/chat-backup-message-recovery/id6738600792)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month VIP | $4.99 | one-time |
| 1 Year VIP | $19.99 | one-time |


### PDF Scanner

[App page](https://appshunter.io/ios/app/pdf-scanner-scan-docs-and-pdf/id6798118644)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $4.99 | per 7 days |
| Monthly Premium | $14.99 | per month |


## Frequently asked questions

### Is Chat Backup free?

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

### Is PDF Scanner free?

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

### Do Chat Backup or PDF Scanner have ads?

Both Chat Backup and PDF Scanner show ads.

### Which is updated more often, Chat Backup or PDF Scanner?

Chat Backup ships an update every 2 months, and PDF Scanner every 8 days. Most recently, Chat Backup was updated on October 27, 2026 and PDF Scanner 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.*