# DocuOne vs Chat PDF Summary

The clearest difference is in-app purchases: DocuOne at none against Chat PDF Summary's 4. DocuOne also leads on update cadence (every 2 weeks vs every 8 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Chat PDF Summary sells 4 one-off in-app purchases. DocuOne asks for nothing beyond the download.

DocuOne ships an update every 2 weeks, Chat PDF Summary every 8 months. The most recent releases landed on October 13, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | DocuOne | Chat PDF Summary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/docuone/id6464299395/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 8 months |
| Monetization | Free | — |
| Size | 74 MB | 9 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | +4 |
| Developer | [Lagary Systems, Inc](https://appshunter.io/developer/1705480493) | [Jose Sapon](https://appshunter.io/developer/1833571607) |

## What reviewers say

### DocuOne

[App page](https://appshunter.io/ios/app/docuone/id6464299395)

This app offers a comprehensive document management system for airlines, featuring an AI assistant for smart search and suggestions. It simplifies aviation-related reporting and securely stores operational documents with expiration tracking.

**Highlights:** AI-powered document search, Contextual understanding and guidance, Personalized suggestions, All-in-one aviation form reporting, Streamlined workflow automation, Secure document storage, Expiration date tracking

**In-app purchases:** none


### Chat PDF Summary

[App page](https://appshunter.io/ios/app/chat-pdf-summary-ai-summarize/id6758478401)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Version | $2.99 | one-time |
| Small Credits Pack | $4.99 | one-time |
| Medium Credits Pack | $6.99 | one-time |
| Large Credits Pack | $8.99 | one-time |


## Frequently asked questions

### Is DocuOne free?

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

### Is Chat PDF Summary free?

Chat PDF Summary is free to download, with in-app purchases available.

### Do DocuOne or Chat PDF Summary have ads?

Neither DocuOne nor Chat PDF Summary shows ads.

### Which is updated more often, DocuOne or Chat PDF Summary?

DocuOne ships an update every 2 weeks, and Chat PDF Summary every 8 months. Most recently, DocuOne was updated on October 13, 2026 and Chat PDF Summary on October 12, 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.*