# Core Bio vs Illustrate GPT

The clearest difference is in-app purchases: Core Bio at none against Illustrate GPT's 1. Core Bio also leads on iOS requirement (15.0 vs 17.6). On price, ads and device support there is nothing between them.

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

## The numbers

| Metric | Core Bio | Illustrate GPT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/illustrate-gpt/id6452017369/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 months |
| Monetization | — | Freemium |
| Size | 75 MB | 68 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kristopher Hoeksema](https://appshunter.io/developer/532432938) | [一和 朱](https://appshunter.io/developer/1496551363) |

## What reviewers say

### Core Bio

[App page](https://appshunter.io/ios/app/core-bio/id6444389887)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Core Bio free?

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

### Is Illustrate GPT free?

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

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

Neither Core Bio nor Illustrate GPT shows ads.

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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.*