# PDF Scanner vs SayFlow

The clearest difference is update cadence: PDF Scanner at every 2 days against SayFlow's monthly. PDF Scanner also leads on iOS requirement (14.0 vs 16). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PDF Scanner sells 2 in-app purchases, starting at $5.99 per month and SayFlow sells 5 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

PDF Scanner ships an update every 2 days, SayFlow monthly. The most recent releases landed on October 17, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | PDF Scanner | SayFlow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Monthly |
| Size | 13 MB | 115 MB |
| Requires iOS | **14.0** | 16 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Evgeniy Labunchak](https://appshunter.io/developer/1625459618) | [Artem Sudakov](https://appshunter.io/developer/1845118863) |

## What reviewers say

### PDF Scanner

[App page](https://appshunter.io/ios/app/pdf-scanner-pro/id6474639179)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Month PDF Scanner - Pro | $5.99 | per month |
| Year PDF Scanner - Pro | $44.99 | per year |


### SayFlow

[App page](https://appshunter.io/ios/app/sayflow/id6753808468)

**Features:** Family Sharing

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Access | $0.99 | per 7 days |
| All Access | $0.99 | per 7 days |
| All Access | $2.99 | per month |
| All Access | $2.99 | per month |
| All Access | $7.99 | per year |


## Frequently asked questions

### Is PDF Scanner free?

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

### Is SayFlow free?

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

### Do PDF Scanner or SayFlow have ads?

Neither PDF Scanner nor SayFlow shows ads.

### Which is updated more often, PDF Scanner or SayFlow?

PDF Scanner ships an update every 2 days, and SayFlow monthly. Most recently, PDF Scanner was updated on October 17, 2026 and SayFlow on October 3, 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.*