# PromptLingo — AI-Powered Language Practice

> AI-Powered Language Practice (iPhone/iPad app by Frank Otto.)

- Source: https://appshunter.io/ios/app/promptlingo/id6757746422 (this page in markdown: same URL + `.md`)
- Developer: [Frank Otto](https://appshunter.io/developer/1769347442)
- Category: Education, Productivity
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.6 · 8 MB
- Languages: American English
- Released: 2026-01-15
- Data updated: 2026-05-18
- User reviews in markdown: https://appshunter.io/ios/app/promptlingo/id6757746422/reviews.md

## What is PromptLingo?

PromptLingo is not just another language learning app – it's your personal AI-powered Prompt Management System that transforms how you learn languages.

BRING YOUR OWN KEY (BYOK)

Connect directly to ChatGPT or Claude using your own API key. You pay only for what you use – no expensive subscriptions, no hidden costs, complete transparency.



HOW IT WORKS

One Tap = Instant Learning
Select a prompt template, tap once, and get personalized AI responses tailored to your level. No complicated setup – just immediate value.

Chat Mode for Deeper Practice
Continue any session as an interactive conversation. Practice dialogues, ask follow-up questions, and get real-time corrections.


17+ EXPERT-CRAFTED TEMPLATES

Grammar & Structure
- Grammar explanations with examples
- Verb conjugation practice
- Sentence pattern drills

Vocabulary Building
- Context-based vocabulary
- Word family exploration
- Collocation practice

Conversation & Culture
- Role-play scenarios
- Cultural insights
- Travel phrases

Professional & Academic
- Business communication
- Academic writing
- Email templates


PREMIUM FEATURES (One-Time Purchase)

AI Mnemonics Generator
Create unforgettable memory hooks for any word. Get multiple mnemonic techniques including keyword method, visual stories, etymology connections, personal associations, and memory palace placement.

Smart Flashcards
- Spaced Repetition with SM-2 algorithm
- Auto-import from Mnemonics
- Track your progress
- Study by language

Custom Templates
Create your own prompt templates for any learning scenario.

Export Your Data
Export sessions and mnemonics as PDF, Markdown, or Text.


SUPPORTED LANGUAGES

Learn any language. Pre-configured for Spanish, French, German, Italian, Portuguese, Japanese, Chinese, Korean, Arabic, Russian, and 20+ more.

TRACK YOUR PROGRESS
- Learning streaks
- Session history
- Favorite sessions
- Statistics dashboard

PRIVACY FIRST
- API keys stored securely on your device
- No account required
- Your data stays yours


WHY PROMPTLINGO?

Unlike traditional apps with pre-made content, PromptLingo harnesses the full power of AI to create truly personalized learning experiences. Every response is generated specifically for you, your level, your interests, your goals.

The BYOK model means:
- No monthly subscriptions
- Pay only for actual API usage
- Transparent costs (typically $0.01-0.05 per session)
- Use your existing OpenAI or Anthropic account

GET STARTED IN 60 SECONDS

1. Download PromptLingo
2. Add your OpenAI or Claude API key
3. Choose a template and start learning

Need an API key? We guide you through the simple setup process.


Premium is a one-time purchase – no subscriptions, no recurring fees. Buy once, use forever, including all future premium features.

Questions or feedback? We'd love to hear from you.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Premium | $5.99 | one-time |



## Version history (last 3 releases)

### 2.1 — 2026-01-21

- AI Mnemonics now with 3 free trials

### 2.0 — 2026-01-20

PromptLingo 2.0 - The Big Premium Update!

NEW:
Premium Features with one-time purchase (no subscription!)
AI Mnemonics Generator - Create unforgettable memory hooks
Flashcards with Spaced Repetition (SM-2 algorithm)
Create your own custom templates
Export as PDF, Markdown & Text
redesigned interface

IMPROVEMENTS:
- New tab bar with Progress & Premium
- Collapsible language folders for flashcards
- Study filter for due cards
- Improved chat view with copy function

Bring Your Own Key - You keep full control over your API costs!

### 1.0 — 2026-01-15

No release notes.

## More apps by Frank Otto

- [Materiality Calculator](https://appshunter.io/ios/app/materiality-calculator/id6755142972)
- [Die Gedankengärtner](https://appshunter.io/ios/app/die-gedankengartner/id6756125508)
- [Traumfänger, Dream Catcher](https://appshunter.io/ios/app/traumfanger-dream-catcher/id6756231478)
- [Little Anger Vulcano](https://appshunter.io/ios/app/little-anger-vulcano/id6756362246)
- [Word Anchors](https://appshunter.io/ios/app/word-anchors/id6756570162)
- [Milo Becomes a Butterfly](https://appshunter.io/ios/app/milo-becomes-a-butterfly/id6756607140)

All apps by Frank Otto: https://appshunter.io/developer/1769347442

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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 2026-05-18.*