# AI Mastery Hub — Prompt lessons for AI chats

> Prompt lessons for AI chats (iPhone/iPad app by L Bullard.)

- Source: https://appshunter.io/ios/app/ai-mastery-hub/id6816778579 (this page in markdown: same URL + `.md`)
- Developer: [L Bullard](https://appshunter.io/developer/1885864767)
- Category: Education, Productivity
- Price: Free with in-app purchases
- Age rating: 12+
- Requires: iOS 16.4 · 49 MB
- Languages: American English
- Released: 2026-09-30
- Data updated: 2026-10-31

## What is AI Mastery Hub?

Works with the major AI platforms: Claude by Anthropic, ChatGPT by OpenAI, Gemini by Google and Grok by SpaceXAI.

AI Mastery Hub teaches you to write prompts that get better answers, in short, friendly lessons.

Every good prompt has five parts: context, persona, task, format and constraints. Type a prompt and watch each part light up in its own colour, so you can see what is missing before you send it anywhere.

WHAT YOU LEARN
• What AI chat really does, and why its answers need a check
• The five parts of a strong prompt
• Emails, messages, summaries and spreadsheet formulas
• Keeping private details out of your prompts
• Working from your own files and long documents
• What happens to what you paste into an AI tool
• When AI can act for you, and how to stay in control
• Getting current answers with sources you can check
• Choosing the right AI tool for the job
• Spotting fake AI apps and voice scams

PRACTISE FOR REAL
Connect your own Anthropic, OpenAI, Google or SpaceXAI key and send your prompt to a real AI model. Your key stays in your phone's secure storage and goes only to the provider you choose. API use is billed by that provider.

Each provider sets its own age rules for API keys. Google (Gemini) and SpaceXAI (Grok) require API users to be 18 or older. Check your provider's terms before you connect a key.

FREE TO START
Modules 1 to 3, the prompt highlighter, the prompt library and a plain English glossary of AI words are free.

FULL COURSE, ONE TIME PURCHASE
Unlock modules 4 to 15, the final exam and your Certificate of Completion, and the 21 day daily challenge. One purchase. No subscription. No ads.

YOUR DATA STAYS YOURS
No accounts. No AuraBull server. No analytics. No ads. Progress and saved prompts stay on your phone, and you can delete everything from Settings.

Every fact about AI companies in the lessons comes from their official pages, with the date it was checked.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Full course | $4.99 | one-time |


## Is AI Mastery Hub safe?

Not enough ratings yet to assess AI Mastery Hub.

## Is AI Mastery Hub legit?

AI Mastery Hub appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for AI Mastery Hub is 65 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 2 releases)

### 1.0.1 — 2026-10-17

Save the prompts that work and reuse them with one tap from the Library. Plus small fixes.

### 1.0.0 — 2026-09-30

No release notes.

## More apps by L Bullard

- [NewStart Canada](https://appshunter.io/ios/app/newstart-canada/id6760715786)
- [CatCoach: Daily Tracker](https://appshunter.io/ios/app/catcoach-daily-tracker/id6773753431)
- [Winnipeg Signal](https://appshunter.io/ios/app/winnipeg-signal/id6777493548)
- [Two Scoops: Mixed Community](https://appshunter.io/ios/app/two-scoops-mixed-community/id6783133312)
- [Rootfolio: Plant Collection](https://appshunter.io/ios/app/rootfolio-plant-collection/id6788244240)
- [Decision Coin Flip](https://appshunter.io/ios/app/decision-coin-flip/id6794729101)

All apps by L Bullard: https://appshunter.io/developer/1885864767

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-31.*