kitio.aiFlexi vs Readlang
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Flexi starts at See pricing page and Readlang starts at $6/mo. 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
- Click-to-translate reader
- AI context explanations
- Flashcard practice
- Web Reader extension
- Text and book uploads
- Audio transcription
| Feature | Flexi | Readlang |
|---|---|---|
| Best for | Vocabulary flashcard app with AI cards and spaced repetition | Learn a language by reading, with click-to-translate and AI notes |
| Category | Education | Education |
| Pricing model | Freemium | Freemium |
| Starting price | See pricing page | $6/mo |
| Free plan | Yes | Yes |
| Made by | Flexi | Readlang |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Flexi starts at See pricing page and Readlang starts at $6/mo. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Free
Free
- Unlimited word translations
- 10 phrase translations a day
- 10 AI explanations a day
Premium
$6/mo
- Unlimited phrase translations
- Unlimited AI explanations
- Better AI model
Premium Plus
$15/mo
- Whole-text translation
- 200 hours audio storage
- Best AI model
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
Readlang
- Learn from content you enjoy
- Over 100 languages
- Low monthly price
- Free plan caps phrase translations
- Works best for intermediate learners
- Audio features only on Premium Plus
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 Readlang if you want:
- Learn from content you enjoy
- Over 100 languages
- Low monthly price
Watch out: free plan caps phrase translations.
Flexi vs Readlang FAQ
What is the difference between Flexi and Readlang?
Flexi: Vocabulary flashcard app with AI cards and spaced repetition. Readlang: Learn a language by reading, with click-to-translate and AI notes. Both are education tools.
Is Flexi or Readlang cheaper?
Flexi starts at See pricing page and Readlang starts at $6/mo. Check both pricing pages for current plans.
Do Flexi and Readlang have free plans?
Flexi: Yes. Readlang: Yes.
Who makes Flexi?
Flexi is made by Flexi.
Who makes Readlang?
Readlang is made by Readlang.
Which should I choose, Flexi or Readlang?
Choose Flexi if you value cards generated from a single word and imports anki, quizlet and csv decks. Choose Readlang if you value learn from content you enjoy and over 100 languages.