# Promptopia vs nanoGPT

The clearest difference is in-app purchases: Promptopia at none against nanoGPT's 1. Promptopia also leads on update cadence (weekly vs every 12 months) and ratings volume (10 vs 3). On price, rating, ads and device support there is nothing between them.

Both are free to download. nanoGPT sells 1 one-off in-app purchase. Promptopia asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for Promptopia against 5.0 for nanoGPT. Both are backed by a comparable volume of ratings — 10 and 3 respectively.

Promptopia ships an update weekly, nanoGPT every 12 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Promptopia | nanoGPT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (10 ratings)](https://appshunter.io/ios/app/promptopia/id6451272124/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/nanogpt-train-gpt-on-device/id6478601620/reviews)** |
| Number of ratings | **10** | 3 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 12 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 18 MB | 80 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [CALIN RAFA](https://appshunter.io/developer/1687535755) | [一和 朱](https://appshunter.io/developer/1496551363) |

## What reviewers say

### Promptopia

[App page](https://appshunter.io/ios/app/promptopia/id6451272124)

Learn to harness the power of conversational AI and master prompt engineering with micro-courses and a curated library of prompts. Unlock your creative potential and transform your writing and marketing skills.

**Highlights:** Micro-courses on AI and prompt engineering, Curated library of AI prompts, Prompts for marketing, creative writing, and business, Interview preparation section, Learn to craft compelling content, Boost business acumen

**In-app purchases:** none


### nanoGPT

[App page](https://appshunter.io/ios/app/nanogpt-train-gpt-on-device/id6478601620)

Train and experiment with GPT language models directly on your iOS device. Witness AI model improvement through intuitive visualizations and hands-on learning with Shakespearean sonnets.

**Highlights:** On-device GPT model training, Experiment with AI models, Intuitive interface for beginners, Visualizations of model workings, Learn AI with Shakespearean sonnets

**Features:** macOS Compatibility

**In-app purchases (1)**

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


## Frequently asked questions

### Is Promptopia free?

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

### Is nanoGPT free?

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

### Which has better reviews, Promptopia or nanoGPT?

nanoGPT is rated higher. Promptopia averages 4.9 out of 5 from 10 ratings, while nanoGPT averages 5.0 from 3 ratings.

### Do Promptopia or nanoGPT have ads?

Neither Promptopia nor nanoGPT shows ads.

### Which is updated more often, Promptopia or nanoGPT?

Promptopia ships an update weekly, and nanoGPT every 12 months. Most recently, Promptopia was updated on November 3, 2026 and nanoGPT on November 4, 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.*