kitio.aiHubble vs Synthetic Users
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Hubble starts at See pricing page and Synthetic Users starts at $12500/yr. 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-moderated interviews
- Prototype testing
- Card sorting and tree testing
- Participant recruitment
- In-product surveys
- MCP access
- AI-simulated interviews
- Distinct synthetic respondents
- Concept and message testing
- Proprietary data enrichment
- Unlimited collaborator seats
- Token-based usage
| Feature | Hubble | Synthetic Users |
|---|---|---|
| Best for | AI-moderated interviews and usability tests for user research | Run qualitative user research with AI-simulated participants |
| Category | Research & search | Research & search |
| Pricing model | Freemium | Paid |
| Starting price | See pricing page | $12500/yr |
| Free plan | Yes | No |
| Made by | Hubble | Synthetic Users |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Hubble starts at See pricing page and Synthetic Users starts at $12500/yr. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
2 plans
Free
Free
- 1 seat
- 10 responses per month
- AI study generation
Enterprise
Custom
- Custom seats and responses
- Moderated studies
- AI agent participants
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
Hubble
- Free plan with no credit card
- Many research methods in one tool
- AI helps generate and rephrase studies
- Free plan is limited to 10 responses a month
- Moderated studies need Enterprise
- Enterprise pricing is not published
Synthetic Users
- Insights in minutes instead of weeks
- Lower cost per interview than recruiting
- Unlimited collaborator seats
- Annual commitment from $12,500
- Simulated answers are not real people
- No monthly plan shown
Which one should you choose?
Choose Hubble if you want:
- Free plan with no credit card
- Many research methods in one tool
- AI helps generate and rephrase studies
Watch out: free plan is limited to 10 responses a month.
Choose Synthetic Users if you want:
- Insights in minutes instead of weeks
- Lower cost per interview than recruiting
- Unlimited collaborator seats
Watch out: annual commitment from $12,500.
Hubble vs Synthetic Users FAQ
What is the difference between Hubble and Synthetic Users?
Hubble: AI-moderated interviews and usability tests for user research. Synthetic Users: Run qualitative user research with AI-simulated participants. Both are research & search tools.
Is Hubble or Synthetic Users cheaper?
Hubble starts at See pricing page and Synthetic Users starts at $12500/yr. Check both pricing pages for current plans.
Do Hubble and Synthetic Users have free plans?
Hubble: Yes. Synthetic Users: No.
Who makes Hubble?
Hubble is made by Hubble.
Who makes Synthetic Users?
Synthetic Users is made by Synthetic Users.
Which should I choose, Hubble or Synthetic Users?
Choose Hubble if you value free plan with no credit card and many research methods in one tool. Choose Synthetic Users if you value insights in minutes instead of weeks and lower cost per interview than recruiting.