# ESTAR PRO vs Scan2PDF

The clearest difference is update cadence: ESTAR PRO at every 6 weeks against Scan2PDF's every 5 months. ESTAR PRO also leads on iOS requirement (14.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ESTAR PRO ships an update every 6 weeks, Scan2PDF every 5 months. The most recent releases landed on October 27, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | ESTAR PRO | Scan2PDF |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 5 months |
| Size | 51 MB | 3 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [JUAN WANG](https://appshunter.io/developer/1650350517) | [Alexis Louis](https://appshunter.io/developer/1809541495) |

## What reviewers say

### ESTAR PRO

[App page](https://appshunter.io/ios/app/estar-pro/id6443893957)

**Features:** macOS Compatibility

**In-app purchases:** none


### Scan2PDF

[App page](https://appshunter.io/ios/app/scan2pdf-pdf-scanner-and-edit/id6744846398)

**In-app purchases:** none


## Frequently asked questions

### Is ESTAR PRO free?

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

### Is Scan2PDF free?

Scan2PDF is free to download, with no in-app purchases.

### Do ESTAR PRO or Scan2PDF have ads?

Neither ESTAR PRO nor Scan2PDF shows ads.

### Which is updated more often, ESTAR PRO or Scan2PDF?

ESTAR PRO ships an update every 6 weeks, and Scan2PDF every 5 months. Most recently, ESTAR PRO was updated on October 27, 2026 and Scan2PDF on November 5, 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.*