# Doc AI vs PDF Document Editor

The clearest difference is update cadence: PDF Document Editor at monthly against Doc AI's every 4 months. Doc AI's advantage is iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Doc AI sells 4 one-off in-app purchases and PDF Document Editor sells 4 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Doc AI ships an update every 4 months, PDF Document Editor monthly. The most recent releases landed on September 11, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Doc AI | PDF Document Editor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/pdf-document-editor-kudo-ai/id6745721395/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | — | Freemium |
| Size | 48 MB | 50 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Adam Harmand](https://appshunter.io/developer/1179903362) | [Zion Studios LLC](https://appshunter.io/developer/1685918923) |

## What reviewers say

### Doc AI

[App page](https://appshunter.io/ios/app/doc-ai/id6502906996)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 AI Generated Document | $1.99 | one-time |
| 10 AI Generated Documents | $14.99 | one-time |
| 50 AI Generated Documents | $69.99 | one-time |
| 100 AI Generated Documents | $99.99 | one-time |


### PDF Document Editor

[App page](https://appshunter.io/ios/app/pdf-document-editor-kudo-ai/id6745721395)

Create any type of document quickly using AI-powered text generation. Easily add images, checkmarks, and electronic signatures to your documents. This app simplifies document creation from start to finish.

**Highlights:** AI text generation for document templates, Image inclusion and manipulation, Electronic signature functionality, Intuitive document editor, Unlimited document creation (premium), Unlimited AI prompts (premium)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kudo Weekly Offer | $3.99 | per 7 days |
| Kudo Monthly Offer | $9.99 | per month |
| Kudo Yearly Offer | $39.99 | per year |
| Kudo Lifetime Offer | $59.99 | one-time |


## Frequently asked questions

### Is Doc AI free?

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

### Is PDF Document Editor free?

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

### Do Doc AI or PDF Document Editor have ads?

Neither Doc AI nor PDF Document Editor shows ads.

### Which is updated more often, Doc AI or PDF Document Editor?

Doc AI ships an update every 4 months, and PDF Document Editor monthly. Most recently, Doc AI was updated on September 11, 2026 and PDF Document Editor on September 20, 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.*