# AI Expert vs Trex MG

The clearest difference is in-app purchases: Trex MG at none against AI Expert's 4. Trex MG also leads on ads (none vs shown) and device support (3 vs 1). AI Expert's advantage is update cadence (every 3 weeks vs every 2 months). On price there is nothing between them.

Both are free to download. AI Expert sells 4 in-app purchases, starting at $6.99 per 7 days. Trex MG asks for nothing beyond the download.

AI Expert ships an update every 3 weeks, Trex MG every 2 months. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | AI Expert | Trex MG |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (2.1K ratings)](https://appshunter.io/ios/app/ai-expert-chatbot-assistant/id6449592570/reviews)** | — |
| Number of ratings | **2.1K** | — |
| Positive reviews | 22.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 35 MB | 34 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [RAWSTHORN LTD](https://appshunter.io/developer/1689743318) | [Marvel Tours PVT. LTD.](https://appshunter.io/developer/1847853979) |

## What reviewers say

### AI Expert

[App page](https://appshunter.io/ios/app/ai-expert-chatbot-assistant/id6449592570)

This AI-powered assistant offers a wide range of capabilities, from writing and coding help to personalized suggestions for entertainment and career advancement. It acts as a versatile companion for learning, social media, business, and more, providing expert guidance for various tasks.

**Highlights:** AI-powered writing and grammar correction, Content generation and summarization, Coding and math problem solving, Translation services, Personalized learning and career guidance, Social media content creation, Business and sales strategy assistance

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly premium with free trial | $6.99 | per 7 days |
| Weekly premium | $6.99 | per 7 days |
| Yearly premium access | $19.99 | per year |
| Yearly premium access | $39.99 | per year |

**What reviewers like**

- 👍 Helpful for school work
- 💡 Provides writing ideas
- 👍 Great app overall

**What reviewers complain about**

- 🐛 App not working/crashing
- 🐛 Poor image description
- 💰 Limited features with paid subscription
- 🐛 Incorrect answers provided

**Reported bugs**

- App not functioning for extended periods
- Inconsistent app behavior compared to initial release

**Requested features**

- Improve image description capabilities
- Expand content generation beyond short responses
- Enhance grammar and spelling checks


### Trex MG

[App page](https://appshunter.io/ios/app/trex-mg/id6754324231)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AI Expert free?

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

### Is Trex MG free?

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

### Do AI Expert or Trex MG have ads?

AI Expert shows ads; Trex MG does not.

### Which is updated more often, AI Expert or Trex MG?

AI Expert ships an update every 3 weeks, and Trex MG every 2 months. Most recently, AI Expert was updated on October 30, 2026 and Trex MG on October 25, 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.*