# AI Ace vs Trajectory.

The clearest difference is rating: Trajectory. at 5.0 against AI Ace's 4.5. Trajectory. also leads on in-app purchases (none vs 1) and ads (none vs shown). AI Ace's advantage is ratings volume (39 vs 3). On price, device support and iOS requirement there is nothing between them.

Both are free to download. AI Ace sells 1 one-off in-app purchase. Trajectory. asks for nothing beyond the download.

Trajectory. holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: AI Ace has 39 ratings behind it against 3, so its average is the more settled of the two.

AI Ace ships an update weekly, Trajectory. every 2 days. The most recent releases landed on September 30, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | AI Ace | Trajectory. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (39 ratings)](https://appshunter.io/ios/app/ai-ace/id1459935272/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/trajectory/id6785717590/reviews)** |
| Number of ratings | **39** | 3 |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 2 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 170 MB | 3 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [kimihiro kubota](https://appshunter.io/developer/500031798) | [Risoris Group LLC](https://appshunter.io/developer/1827090623) |

## What reviewers say

### AI Ace

[App page](https://appshunter.io/ios/app/ai-ace/id1459935272)

Pose a single question and receive answers from various AI models, including ChatGPT, Gemini, and Grok. This free application requires no login and offers multiple AI perspectives on your queries.

**Highlights:** Multiple AI model responses, Single question input, No login required, Free to use, Supports ChatGPT, Gemini, Grok

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Word Watch Pro | $19.99 | one-time |


### 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 Ace free?

AI Ace 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 Ace or Trajectory.?

Trajectory. is rated higher. AI Ace averages 4.5 out of 5 from 39 ratings, while Trajectory. averages 5.0 from 3 ratings.

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

AI Ace shows ads; Trajectory. does not.

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

AI Ace ships an update weekly, and Trajectory. every 2 days. Most recently, AI Ace was updated on September 30, 2026 and Trajectory. on September 24, 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.*