# ONE AI vs ExpressBook

The clearest difference is in-app purchases: ExpressBook at none against ONE AI's 11. ExpressBook also leads on ads (none vs shown). ONE AI's advantage is iOS requirement (13.0 vs 15.1). On price, update cadence and device support there is nothing between them.

Both are free to download. ONE AI sells 7 in-app purchases, starting at $4.99 per 7 days. ExpressBook asks for nothing beyond the download.

ONE AI ships an update weekly, ExpressBook every 2 weeks. The most recent releases landed on October 19, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | ONE AI | ExpressBook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (188 ratings)](https://appshunter.io/ios/app/one-ai-ask-chat-create/id6742541027/reviews)** | — |
| Number of ratings | **188** | — |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 107 MB | 43 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Scate](https://appshunter.io/developer/1743942788) | [serge bakayoko](https://appshunter.io/developer/1551509872) |

## What reviewers say

### ONE AI

[App page](https://appshunter.io/ios/app/one-ai-ask-chat-create/id6742541027)

This app offers a comprehensive suite of AI-powered tools for communication, creativity, and problem-solving. Engage in conversations, design visuals like tattoos and logos, create custom keyboards and fonts, and get instant solutions to math problems.

**Highlights:** AI-powered chat and conversations, Deep web search for people, AI-assisted sketch and design tools, Custom keyboard and font creation, AI image generation, Instant math problem solver

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $4.99 | per 7 days |
| Weekly Subscription | $6.99 | per 7 days |
| Weekly Subscription | $6.99 | per 7 days |
| Monthly Subscription | $14.99 | per month |
| Yearly Subscription | $29.99 | per year |
| Yearly Subscription | $39.99 | per year |
| One AI Lifetime Subscription | $49.99 | one-time |


### ExpressBook

[App page](https://appshunter.io/ios/app/expressbook/id6751860381)

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

**In-app purchases:** none


## Frequently asked questions

### Is ONE AI free?

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

### Is ExpressBook free?

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

### Do ONE AI or ExpressBook have ads?

ONE AI shows ads; ExpressBook does not.

### Which is updated more often, ONE AI or ExpressBook?

ONE AI ships an update weekly, and ExpressBook every 2 weeks. Most recently, ONE AI was updated on October 19, 2026 and ExpressBook 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.*