# AI Expert vs Trajectory.

The clearest difference is in-app purchases: Trajectory. at none against AI Expert's 4. Trajectory. also leads on ads (none vs shown) and update cadence (every 2 days vs every 3 weeks). AI Expert's advantage is ratings volume (2.1K vs 3). On price, device support and iOS requirement there is nothing between them.

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

Trajectory. holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: AI Expert has 2.1K ratings behind it against 3, so its average is the more settled of the two.

AI Expert ships an update every 3 weeks, Trajectory. every 2 days. The most recent releases landed on October 19, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | AI Expert | Trajectory. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (2.1K ratings)](https://appshunter.io/ios/app/ai-expert-chatbot-assistant/id6449592570/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/trajectory/id6785717590/reviews)** |
| Number of ratings | **2.1K** | 3 |
| Positive reviews | 22.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 35 MB | 3 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [RAWSTHORN LTD](https://appshunter.io/developer/1689743318) | [Risoris Group LLC](https://appshunter.io/developer/1827090623) |

## 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


### Trajectory.

[App page](https://appshunter.io/ios/app/trajectory/id6785717590)

This app helps high school students navigate the college admissions process by providing a clear plan based on their academic record and college list. It offers honest assessments of chances at each school and breaks down tasks into manageable daily steps.

**Highlights:** Honest assessment of academic standing, Realistic college chances at each school, Daily task breakdown for admissions, AI-powered personalized guidance, Activity and honors list builder, Progress tracking for applications

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

**In-app purchases:** none


## Frequently asked questions

### Is AI Expert free?

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

### Is Trajectory. free?

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

### Which has better reviews, AI Expert or Trajectory.?

Trajectory. is rated higher. AI Expert averages 4.6 out of 5 from 2.1K ratings, while Trajectory. averages 5.0 from 3 ratings.

### Do AI Expert or Trajectory. have ads?

AI Expert shows ads; Trajectory. does not.

### Which is updated more often, AI Expert or Trajectory.?

AI Expert ships an update every 3 weeks, and Trajectory. every 2 days. Most recently, AI Expert was updated on October 19, 2026 and Trajectory. on October 10, 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.*