kitio.aiHubble vs RealEye
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Hubble starts at See pricing page and RealEye starts at $390/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-moderated interviews
- Prototype testing
- Card sorting and tree testing
- Participant recruitment
- In-product surveys
- MCP access
- Webcam eye-tracking
- Facial emotion coding
- Online surveys
- Mouse and key tracking
- Paid participant panel
- CSV export and API
| Feature | Hubble | RealEye |
|---|---|---|
| Best for | AI-moderated interviews and usability tests for user research | Webcam eye-tracking, facial coding and surveys for online studies |
| Category | Research & search | Research & search |
| Pricing model | Freemium | Free trial |
| Starting price | See pricing page | $390/mo |
| Free plan | Yes | No, 7-day trial |
| Made by | Hubble | RealEye |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Hubble starts at See pricing page and RealEye starts at $390/mo. 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
2 plans
Basic
$390/mo
- 20 own participants per month
- Studies up to 3 minutes
- Eye-tracking, facial coding, surveys
Standard
$990/mo
- 300 own participants per month
- Studies up to 10 minutes
- Live website and smartphone tests
- 3 team collaborators
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
RealEye
- No eye-tracking hardware needed
- Results appear in real time
- Recruit from RealEye's panel
- Expensive for small projects
- No refunds after purchase
- Panelists can't join live website tests
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 RealEye if you want:
- No eye-tracking hardware needed
- Results appear in real time
- Recruit from RealEye's panel
Watch out: expensive for small projects.
Hubble vs RealEye FAQ
What is the difference between Hubble and RealEye?
Hubble: AI-moderated interviews and usability tests for user research. RealEye: Webcam eye-tracking, facial coding and surveys for online studies. Both are research & search tools.
Is Hubble or RealEye cheaper?
Hubble starts at See pricing page and RealEye starts at $390/mo. Check both pricing pages for current plans.
Do Hubble and RealEye have free plans?
Hubble: Yes. RealEye: No, 7-day trial.
Who makes Hubble?
Hubble is made by Hubble.
Who makes RealEye?
RealEye is made by RealEye.
Which should I choose, Hubble or RealEye?
Choose Hubble if you value free plan with no credit card and many research methods in one tool. Choose RealEye if you value no eye-tracking hardware needed and results appear in real time.