# DeviceAI vs PDF Editor for iPhone

The clearest difference is price: PDF Editor for iPhone at Free against DeviceAI's $2.99. PDF Editor for iPhone also leads on device support (3 vs 1). DeviceAI's advantage is in-app purchases (none vs 5). On update cadence, ads and iOS requirement there is nothing between them.

PDF Editor for iPhone is free to download; DeviceAI costs $2.99 up front. PDF Editor for iPhone sells 5 in-app purchases, starting at $4.99 per 7 days. DeviceAI asks for nothing beyond the download.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | DeviceAI | PDF Editor for iPhone |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Size | 34 MB | 107 MB |
| Requires iOS | 16.4 | **15.5** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Evan Yeoh](https://appshunter.io/developer/873959340) | [EXERCISE RX LLC](https://appshunter.io/developer/1850404326) |

## What reviewers say

### DeviceAI

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

**In-app purchases:** none


### PDF Editor for iPhone

[App page](https://appshunter.io/ios/app/pdf-editor-for-iphone/id6761690964)

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly-Trial | $4.99 | per 7 days |
| Weekly | $4.99 | per 7 days |
| Monthly | $12.99 | per month |
| Yearly | $39.99 | per year |
| Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is DeviceAI free?

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

### Is PDF Editor for iPhone free?

PDF Editor for iPhone is free to download, with in-app purchases available.

### Do DeviceAI or PDF Editor for iPhone have ads?

Neither DeviceAI nor PDF Editor for iPhone shows ads.

### Which is updated more often, DeviceAI or PDF Editor for iPhone?

DeviceAI ships an update monthly, and PDF Editor for iPhone monthly. Most recently, DeviceAI was updated on October 25, 2026 and PDF Editor for iPhone on October 28, 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.*