kitio.aiSynthesis Tutor vs Astra AI
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Synthesis Tutor starts at $45/mo and Astra AI 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
- Adaptive maths lessons
- Voice tutor
- Interactive manipulatives
- Parent progress reports
- Family plans
- Study plans from your notes
- Flashcards and quizzes
- Auto-generated topic podcasts
- Knowledge gap tracking
- Oral and written mock exams
- Photo upload of notes
| Feature | Synthesis Tutor | Astra AI |
|---|---|---|
| Best for | AI maths tutor for children aged 5 to 11 | AI tutor that turns your own notes into an exam study plan |
| Category | Education | Education |
| Pricing model | Free trial | Freemium |
| Starting price | $45/mo | See pricing page |
| Free plan | No, 7-day trial | Yes |
| Made by | Synthesis | Astra AI |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Synthesis Tutor starts at $45/mo and Astra AI starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
4 plans
Individual
$45/mo
- 1 child
- Adaptive AI math tutor
- Billed monthly
Family
$70/mo
- Multiple children
- Adaptive AI math tutor
- Billed monthly
Individual Lifetime
$999 one-time
- 1 child
- One-time payment
Family Lifetime
$1499 one-time
- Multiple children
- One-time payment
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
Synthesis Tutor
- Engaging for young children
- Adapts to each child
- Family plan covers several kids
- Expensive monthly
- Covers elementary maths only
Astra AI
- Lessons based on your own material
- Many study formats in one app
- Mock exams before the real one
- Free to try
- Prices not shown on the homepage
- Quality depends on the notes you upload
- Plan needs an exam date to work best
Which one should you choose?
Choose Synthesis Tutor if you want:
- Engaging for young children
- Adapts to each child
- Family plan covers several kids
Watch out: expensive monthly.
Choose Astra AI if you want:
- Lessons based on your own material
- Many study formats in one app
- Mock exams before the real one
Watch out: prices not shown on the homepage.
Synthesis Tutor vs Astra AI FAQ
What is the difference between Synthesis Tutor and Astra AI?
Synthesis Tutor: AI maths tutor for children aged 5 to 11. Astra AI: AI tutor that turns your own notes into an exam study plan. Both are education tools.
Is Synthesis Tutor or Astra AI cheaper?
Synthesis Tutor starts at $45/mo and Astra AI starts at See pricing page. Check both pricing pages for current plans.
Do Synthesis Tutor and Astra AI have free plans?
Synthesis Tutor: No, 7-day trial. Astra AI: Yes.
Who makes Synthesis Tutor?
Synthesis Tutor is made by Synthesis, based in United States.
Who makes Astra AI?
Astra AI is made by Astra AI.
Which should I choose, Synthesis Tutor or Astra AI?
Choose Synthesis Tutor if you value engaging for young children and adapts to each child. Choose Astra AI if you value lessons based on your own material and many study formats in one app.