# OSIO Booking vs Chat 5.0

The clearest difference is in-app purchases: OSIO Booking at none against Chat 5.0's 3. OSIO Booking also leads on update cadence (every 4 days vs every 2 weeks). Chat 5.0's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 26.0). On price and ads there is nothing between them.

Both are free to download. Chat 5.0 sells 3 in-app purchases, starting at $5.99 per 7 days. OSIO Booking asks for nothing beyond the download.

OSIO Booking ships an update every 4 days, Chat 5.0 every 2 weeks. The most recent releases landed on November 7, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | OSIO Booking | Chat 5.0 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (733 ratings)](https://appshunter.io/ios/app/chat-50-ai-plus-open-bot/id6742846833/reviews)** |
| Number of ratings | — | **733** |
| Positive reviews | — | 23.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 weeks |
| Monetization | — | Freemium |
| Size | 31 MB | 334 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Open Sensors](https://appshunter.io/developer/1607840631) | [Sofiia Petrus](https://appshunter.io/developer/1797804192) |

## What reviewers say

### OSIO Booking

[App page](https://appshunter.io/ios/app/osio-booking/id1607840629)

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

**In-app purchases:** none


### Chat 5.0

[App page](https://appshunter.io/ios/app/chat-50-ai-plus-open-bot/id6742846833)

This app offers specialized AI experts for various tasks, from image creation and translation to cooking and fitness advice. It provides a secure, personalized experience with data encrypted and stored locally. Access advanced features through premium subscriptions.

**Highlights:** Specialized AI experts (cooking, fitness, travel, etc.), AI image creation from text prompts, Advanced translation capabilities, Secure, encrypted data storage on device, AI-generated image gallery, Personalized communication

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Smart help from ChatGPT | $5.99 | per 7 days |
| Fast answers from Grok | $8.99 | per 7 days |
| Realistic images from Gemini Pro | $55.99 | per year |


## Frequently asked questions

### Is OSIO Booking free?

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

### Is Chat 5.0 free?

Chat 5.0 is free to download, with in-app purchases available.

### Do OSIO Booking or Chat 5.0 have ads?

Neither OSIO Booking nor Chat 5.0 shows ads.

### Which is updated more often, OSIO Booking or Chat 5.0?

OSIO Booking ships an update every 4 days, and Chat 5.0 every 2 weeks. Most recently, OSIO Booking was updated on November 7, 2026 and Chat 5.0 on November 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.*