Duolingo Max vs Synthesis Tutor

Comprehensive side-by-side comparison — features, pricing, performance, and more.

Data last refreshed October 2026

Duolingo Max

Duolingo, Inc.

The most fun way to learn languages, chess, and more

Freemium

78% verification coverage

Synthesis Tutor

Synthesis School, Inc.

Your child's personal math tutor

Paid

69% verification coverage

Trust & Reliability

Duolingo Max

GDPR

Synthesis Tutor

Users:100K-1M

Overall Winner: Duolingo Max

4.7/10 vs Synthesis Tutor at 3.7/10

Leads in:

Support

Integration

Compliance & Data Protection

Scores are AI-estimated from publicly available data — not an independent test or a verified user rating. How we rank →

AI Comparison Summary

Duolingo Max

4.7

avg score

Synthesis Tutor

3.7

avg score

Duolingo Max leads overall — particularly in Integration.

Based on 6 dimensions

Scores are AI-estimated from publicly available data — not an independent test or a verified user rating. How we rank →

Overall Winner

Duolingo Max

4.7 / 10

Duolingo Max

Best For

Individuals learning new languages for fun or professional development

Students seeking supplementary language practice

Organizations providing language learning to employees

Synthesis Tutor

Best For

Families with kids ages 5-11 who want to build strong math foundations

Homeschooling families looking for a complete, self-paced elementary math program

Parents of kids who struggle with math or feel anxious about it

Parents of advanced learners who want their child to go deeper than grade-level work

* Verdict is based on our algorithmic scoring of publicly available data. Learn about our methodology

Duolingo Max is best for

🎧Customer Support10.0🎵Audio & Voice8.0💬Chat & Conversation7.5

Synthesis Tutor is best for

✍️Writing & Content6.0💻Coding & Dev5.0🤖Automation & Agents4.5

Filter by your use case:

Limitations

Duolingo Max

Cons

Requires an internet connection for full functionality
AI features may not be available to all users or in all jurisdictions
Free plan has limitations compared to paid subscriptions

Synthesis Tutor

Cons

No cons listed yet.

Weighted Score — Adjust What Matters to You

Pick a profile or drag sliders — scores and radar update instantly on the right.

Quick profiles:

Ease of Use5

Customization5

Support5

Integration5

Compliance & Data Protection5

Performance5

Planning Quality5

Dimension Comparison

Duolingo Max

4.7

/ 10

Clear winner

Synthesis Tutor

3.7

/ 10

Dimension Breakdown

Ease of Use

How intuitive is onboarding, UI navigation, and day-to-day usage for the target audience?

Duolingo Max

8.0

Synthesis Tutor

8.0

Customization

Calculated

How much can users tailor workflows, settings, prompts, or outputs to their needs?

Duolingo Max

2.0

Synthesis Tutor

2.0

Support

How strong is the documentation, customer support, community, and learning resources?

Duolingo Max

5.0▲ +1.0

Synthesis Tutor

4.0

Integration

Calculated

How well does it connect with other tools, APIs, and workflows?

Duolingo Max

5.0▲ +4.0

Synthesis Tutor

1.0

Compliance & Data Protection

Calculated

Compliance certifications and data-protection posture, counted from ten verified signals: SOC 2 Type II, GDPR compliance, HIPAA, WCAG AA/AAA, PII redaction, licensed-only training, a published sub-processor list, a downloadable DPA, not training on user data, and a documented deletion path

Duolingo Max

3.0▲ +1.0

Synthesis Tutor

2.0

Performance

Calculated

Latency + throughput speed

Duolingo Max

5.0

Synthesis Tutor

5.0

Planning Quality

Calculated

Multi-step planning depth + replanning capability

Duolingo Max

—

Synthesis Tutor

—

Calculated = derived from structured signals (integration count, API/open-source config, compliance certs, response-time). AI = LLM-assessed from public website content. Methodology

Task Performance

Duolingo Max

Task

Synthesis Tutor

8.0

Lesson Creation

3.0

6.0

Quiz Generation

5.0

9.0

Adaptive Learning

9.0

8.0

Progress Tracking

7.0

9.0

Content Library

6.0

10.0

Student Engagement

9.0

6.0

Grading Automation

5.0

Curriculum Alignment

7.0

10.0

Multilingual Support

4.0

3.0

Accessibility Features

8.0

* Task scores (1–10) are algorithmically generated from publicly available data.

Data is sourced from public information and vendor websites. It may not always be up-to-date — verify pricing and features directly with the vendor before purchasing.Report inaccuracy

Frequently Asked Questions

What are the main differences between Duolingo Max and Synthesis Tutor?

Duolingo Max — "The most fun way to learn languages, chess, and more". Synthesis Tutor — "Your child's personal math tutor". The Features section on this page compares them side by side.

Who is Duolingo Max best for compared with Synthesis Tutor?

Duolingo Max is best for Individuals learning new languages for fun or professional development; and for Students seeking supplementary language practice. Synthesis Tutor is best for Families with kids ages 5-11 who want to build strong math foundations; and for Homeschooling families looking for a complete, self-paced elementary math program.

How does the pricing of Duolingo Max compare with Synthesis Tutor?

Duolingo Max is freemium, includes a free plan. Synthesis Tutor is paid, paid plans start at $29/month, offers a free trial. Always verify current pricing with the vendor.

Does Duolingo Max or Synthesis Tutor have a free plan?

Duolingo Max has a free plan. Synthesis Tutor lists no free plan and offers a free trial. Always verify current pricing with the vendor.

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