kitio.aiFlexi vs LangAI
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Flexi starts at See pricing page and LangAI starts at See pricing page. Check both pricing pages for current plans.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- AI card generation
- Spaced repetition
- Audio pronunciation
- Anki and Quizlet import
- AI tutor in cards
- Daily reminders and widgets
- Common-word lessons
- Pronunciation feedback
- AI conversations
- Real-life scenarios
- 30-day challenge
| Feature | Flexi | LangAI |
|---|---|---|
| Best for | Vocabulary flashcard app with AI cards and spaced repetition | Learn the most common words and practice talking with AI |
| Category | Education | Education |
| Pricing model | Freemium | Freemium |
| Starting price | See pricing page | See pricing page |
| Free plan | Yes | Yes |
| Made by | Flexi | LangAI |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Flexi starts at See pricing page and LangAI starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
Prices in USD, checked Oct 29, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Flexi
- Cards generated from a single word
- Imports Anki, Quizlet and CSV decks
- Audio in 20+ languages
- Mobile only, with iOS and Android apps
- Pricing is not shown on the homepage
- Focused on vocabulary rather than full courses
LangAI
- Focuses on the words used most
- Gives pronunciation feedback
- Structured 30-day path
- Pricing not shown on the site
- Few learning materials beyond words and speaking
Which one should you choose?
Choose Flexi if you want:
- Cards generated from a single word
- Imports Anki, Quizlet and CSV decks
- Audio in 20+ languages
Watch out: mobile only, with ios and android apps.
Choose LangAI if you want:
- Focuses on the words used most
- Gives pronunciation feedback
- Structured 30-day path
Watch out: pricing not shown on the site.
Flexi vs LangAI FAQ
What is the difference between Flexi and LangAI?
Flexi: Vocabulary flashcard app with AI cards and spaced repetition. LangAI: Learn the most common words and practice talking with AI. Both are education tools.
Is Flexi or LangAI cheaper?
Flexi starts at See pricing page and LangAI starts at See pricing page. Check both pricing pages for current plans.
Do Flexi and LangAI have free plans?
Flexi: Yes. LangAI: Yes.
Who makes Flexi?
Flexi is made by Flexi.
Who makes LangAI?
LangAI is made by LangAI.
Which should I choose, Flexi or LangAI?
Choose Flexi if you value cards generated from a single word and imports anki, quizlet and csv decks. Choose LangAI if you value focuses on the words used most and gives pronunciation feedback.