# GetDeviceIDFA vs PDF Master

The clearest difference is update cadence: PDF Master at every 5 days against GetDeviceIDFA's monthly. 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.

GetDeviceIDFA ships an update monthly, PDF Master every 5 days. The most recent releases landed on September 22, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | GetDeviceIDFA | PDF Master |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 5 days** |
| Size | 14 MB | 11 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SonicStudio,LLC](https://appshunter.io/developer/1033868534) | [Redania Studio Limited](https://appshunter.io/developer/1780784899) |

## What reviewers say

### GetDeviceIDFA

[App page](https://appshunter.io/ios/app/getdeviceidfa/id6670363778)

**Features:** macOS Compatibility

**In-app purchases:** none


### PDF Master

[App page](https://appshunter.io/ios/app/pdf-master-viewer-and-create/id6755611875)

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

**In-app purchases:** none


## Frequently asked questions

### Is GetDeviceIDFA free?

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

### Is PDF Master free?

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

### Do GetDeviceIDFA or PDF Master have ads?

Neither GetDeviceIDFA nor PDF Master shows ads.

### Which is updated more often, GetDeviceIDFA or PDF Master?

GetDeviceIDFA ships an update monthly, and PDF Master every 5 days. Most recently, GetDeviceIDFA was updated on September 22, 2026 and PDF Master on September 15, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*