# Illustrate GPT vs Core AI

The clearest difference is in-app purchases: Core AI at none against Illustrate GPT's 1. Core AI also leads on update cadence (every 2 days vs every 3 months) and ratings volume (18 vs 1). Illustrate GPT's advantage is rating (5.0 vs 4.6). On price, ads and iOS requirement there is nothing between them.

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

Illustrate GPT holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Core AI has 18 ratings behind it against 1, so its average is the more settled of the two.

Illustrate GPT ships an update every 3 months, Core AI every 2 days. The most recent releases landed on October 17, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Illustrate GPT | Core AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/illustrate-gpt/id6452017369/reviews)** | [4.6 (18 ratings)](https://appshunter.io/ios/app/core-ai/id6736861380/reviews) |
| Number of ratings | 1 | **18** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 days** |
| Monetization | Freemium | **Free** |
| Size | 68 MB | 12 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone | **iPhone, iPad, Mac, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [一和 朱](https://appshunter.io/developer/1496551363) | [Quantribution LLC](https://appshunter.io/developer/1773550132) |

## What reviewers say

### Illustrate GPT

[App page](https://appshunter.io/ios/app/illustrate-gpt/id6452017369)

Explore the inner workings of AI language models with a compact GPT model on your iOS device. Generate stories, visualize predictions, and understand AI's attention mechanisms. Ideal for AI enthusiasts and curious learners.

**Highlights:** Pocket-sized AI model, Interactive story generation, Next token prediction exploration, Attention visualization (Pro), Model insights and visualizations, Customizable generation settings

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Mode | $1.99 | one-time |


### Core AI

[App page](https://appshunter.io/ios/app/core-ai/id6736861380)

Discover and learn about various AI models and tools, from text generation to 3D modeling. Engage in private conversations with an on-device language model and access featured content via widgets. This app offers detailed information and a user-friendly experience for AI enthusiasts and developers.

**Highlights:** AI model categories (text, image, video, sound, 3D), AI tools for content generation and development, On-device foundation model chat, Detailed AI model information, Customizable widgets for quick access, User-friendly interface

**In-app purchases:** none


## Frequently asked questions

### Is Illustrate GPT free?

Illustrate GPT is free to download, with in-app purchases available.

### Is Core AI free?

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

### Which has better reviews, Illustrate GPT or Core AI?

Illustrate GPT is rated higher. Illustrate GPT averages 5.0 out of 5 from 1 ratings, while Core AI averages 4.6 from 18 ratings.

### Do Illustrate GPT or Core AI have ads?

Neither Illustrate GPT nor Core AI shows ads.

### Which is updated more often, Illustrate GPT or Core AI?

Illustrate GPT ships an update every 3 months, and Core AI every 2 days. Most recently, Illustrate GPT was updated on October 17, 2026 and Core AI on October 16, 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.*