# DeviceAI vs PDF Tools Pro

The clearest difference is price: PDF Tools Pro at Free against DeviceAI's $2.99. DeviceAI's advantage is in-app purchases (none vs 1) and iOS requirement (16.4 vs 18.0). On update cadence, ads and device support there is nothing between them.

PDF Tools Pro is free to download; DeviceAI costs $2.99 up front. PDF Tools Pro sells 1 one-off in-app purchase. DeviceAI asks for nothing beyond the download.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 7, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | DeviceAI | PDF Tools Pro |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Size | 34 MB | 5 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Evan Yeoh](https://appshunter.io/developer/873959340) | [明龙 车](https://appshunter.io/developer/495069166) |

## What reviewers say

### DeviceAI

[App page](https://appshunter.io/ios/app/deviceai/id6760162343)

**In-app purchases:** none


### PDF Tools Pro

[App page](https://appshunter.io/ios/app/pdf-tools-pro-scan-and-ocr/id6760276378)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Pro | $7.99 | one-time |


## Frequently asked questions

### Is DeviceAI free?

DeviceAI costs $2.99, with no in-app purchases.

### Is PDF Tools Pro free?

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

### Do DeviceAI or PDF Tools Pro have ads?

Neither DeviceAI nor PDF Tools Pro shows ads.

### Which is updated more often, DeviceAI or PDF Tools Pro?

DeviceAI ships an update monthly, and PDF Tools Pro monthly. Most recently, DeviceAI was updated on October 7, 2026 and PDF Tools Pro on October 19, 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.*