# ChatOne vs Scanner PDF

The clearest difference is price: ChatOne at Free against Scanner PDF's $1.99. ChatOne also leads on update cadence (weekly vs every 2 months) and iOS requirement (18.0 vs 26.0). Scanner PDF's advantage is in-app purchases (none vs 10) and ads (none vs shown). On device support there is nothing between them.

ChatOne is free to download; Scanner PDF costs $1.99 up front. ChatOne sells 10 in-app purchases, starting at $6.99 per 7 days. Scanner PDF asks for nothing beyond the download.

ChatOne ships an update weekly, Scanner PDF every 2 months. The most recent releases landed on November 14, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | ChatOne | Scanner PDF |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.3 (765 ratings)](https://appshunter.io/ios/app/chatone-ai-chat-assistant/id6642630027/reviews)** | — |
| Number of ratings | **765** | — |
| Positive reviews | 37.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Freemium | — |
| Size | 57 MB | 13 MB |
| Requires iOS | **18.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [AstralO Studio LLC](https://appshunter.io/developer/1660915111) | [Anas Khedr](https://appshunter.io/developer/1879943110) |

## What reviewers say

### ChatOne

[App page](https://appshunter.io/ios/app/chatone-ai-chat-assistant/id6642630027)

This AI companion offers intelligent chat, image generation, and detailed image descriptions. It provides specialized assistants for various tasks and saves conversation history. Start for free and upgrade for advanced AI capabilities.

**Highlights:** AI Chat Assistant, AI Image Generation, Smart Image Descriptions, Specialized AI Assistants, Chat History

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChatONE AI Pro Subscription | $6.99 | per 7 days |
| ChatONE AI Pro Subscription | $14.99 | per month |
| ChatONE AI Pro Subscription | $19.99 | per 2 months |
| ChatONE AI Pro Subscription | $29.99 | per 6 months |
| ChatONE AI Pro Subscription | $49.99 | per year |
| ChatONE AI Pro Subscription | $54.99 | per year |
| 10k Imagizo Credits | $9.99 | one-time |
| 30k Imagizo Credits | $19.99 | one-time |
| 100k Imagizo Credits | $49.99 | one-time |
| ChatONE AI Lifetime | $199.99 | one-time |

**What reviewers like**

- ✨ Pretty smart AI
- 💡 Useful features
- 🚀 Fast responses
- 👍 Good for brainstorming
- ✍️ Drafts emails quickly

**What reviewers complain about**

- 💸 Expensive subscription
- ❌ Many errors and typos
- 👎 Not worth the money
- 🚫 Limited free usage
- 🤔 Unclear pricing

**Reported bugs**

- Poor spelling and grammar
- Phrases make no sense
- App not working
- Image generation error
- Cannot restore purchase

**Requested features**

- Allow users to use features by watching ads
- Lower subscription price
- Improve voice integration
- Add dark mode option
- Improve UI for different AI models


### Scanner PDF

[App page](https://appshunter.io/ios/app/scanner-pdf-scan-docs/id6760683635)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ChatOne free?

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

### Is Scanner PDF free?

Scanner PDF costs $1.99, with no in-app purchases.

### Do ChatOne or Scanner PDF have ads?

ChatOne shows ads; Scanner PDF does not.

### Which is updated more often, ChatOne or Scanner PDF?

ChatOne ships an update weekly, and Scanner PDF every 2 months. Most recently, ChatOne was updated on November 14, 2026 and Scanner PDF on November 8, 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.*