# Illustrate GPT vs QuizLLM

The clearest difference is in-app purchases: QuizLLM at none against Illustrate GPT's 1. QuizLLM also leads on update cadence (every 4 days vs every 3 months). Illustrate GPT's advantage is iOS requirement (17.6 vs 26.0). 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. QuizLLM asks for nothing beyond the download.

Illustrate GPT ships an update every 3 months, QuizLLM every 4 days. The most recent releases landed on October 17, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Illustrate GPT | QuizLLM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/illustrate-gpt/id6452017369/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | Freemium | — |
| Size | 68 MB | 2 MB |
| Requires iOS | **17.6** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [一和 朱](https://appshunter.io/developer/1496551363) | [Siva Pari](https://appshunter.io/developer/1771776613) |

## 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 |


### QuizLLM

[App page](https://appshunter.io/ios/app/quizllm/id6757267429)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Illustrate GPT free?

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

### Is QuizLLM free?

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

### Do Illustrate GPT or QuizLLM have ads?

Neither Illustrate GPT nor QuizLLM shows ads.

### Which is updated more often, Illustrate GPT or QuizLLM?

Illustrate GPT ships an update every 3 months, and QuizLLM every 4 days. Most recently, Illustrate GPT was updated on October 17, 2026 and QuizLLM on October 28, 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.*