kitio.aiDuolingo vs TeachCatalystAI
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. TeachCatalystAI has the lower starting price: about $6 a month, against $13 for Duolingo.
AI tools for teachers covering schedules, quizzes and assessment advice
Free trial · $7/moAt a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Bite-sized lessons
- Streaks and leagues
- AI Video Call
- Explain My Answer
- Maths and music courses
- Schedule generator
- Assessment advisor
- Math problem generator
- Quiz generator
- Curriculum creator
- Prompt generator
| Feature | Duolingo | TeachCatalystAI |
|---|---|---|
| Best for | Gamified language app with AI conversation practice on its Max plan | AI tools for teachers covering schedules, quizzes and assessment advice |
| Category | Education | Education |
| Pricing model | Freemium | Free trial |
| Starting price | $12.99/mo | $7/mo |
| Free plan | Yes | No, 7-day trial |
| Made by | Duolingo | TeachCatalystAI |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
TeachCatalystAI has the lower starting price: about $6 a month, against $13 for Duolingo.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Free
Free
- All language courses
- Ads and limited hearts
Super
$12.99/mo
- No ads
- Unlimited hearts
- Personalized practice
Max
$29.99/mo
- Everything in Super
- AI-powered explanations
- Video Call and roleplay practice
3 plans
Monthly
$7/mo
- Access to all AI tools
- Customer support
- 7-day trial
- Money-back guarantee
Yearly
$77/yr
- Access to all AI tools
- Billed once a year
Agency
Contact sales
- Custom setup for organizations
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Duolingo
- Free plan covers full courses
- Motivating game mechanics
- Huge choice of languages
- Limited speaking practice without Max
- Hard to reach advanced fluency alone
TeachCatalystAI
- Many teacher tools under one plan
- Low monthly price
- 7-day trial and money-back guarantee
- Tools are general rather than curriculum-specific
- Little detail on how each tool works
Which one should you choose?
Choose Duolingo if you want:
- Free plan covers full courses
- Motivating game mechanics
- Huge choice of languages
Watch out: limited speaking practice without max.
Choose TeachCatalystAI if you want:
- Many teacher tools under one plan
- Low monthly price
- 7-day trial and money-back guarantee
Watch out: tools are general rather than curriculum-specific.
Duolingo vs TeachCatalystAI FAQ
What is the difference between Duolingo and TeachCatalystAI?
Duolingo: Gamified language app with AI conversation practice on its Max plan. TeachCatalystAI: AI tools for teachers covering schedules, quizzes and assessment advice. Both are education tools.
Is Duolingo or TeachCatalystAI cheaper?
TeachCatalystAI has the lower starting price: about $6 a month, against $13 for Duolingo.
Do Duolingo and TeachCatalystAI have free plans?
Duolingo: Yes. TeachCatalystAI: No, 7-day trial.
Who makes Duolingo?
Duolingo is made by Duolingo, based in United States.
Who makes TeachCatalystAI?
TeachCatalystAI is made by TeachCatalystAI.
Which should I choose, Duolingo or TeachCatalystAI?
Choose Duolingo if you value free plan covers full courses and motivating game mechanics. Choose TeachCatalystAI if you value many teacher tools under one plan and low monthly price.