Compare tools
Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.
⇄ Comparison dimension — pick the market you're actually shopping in
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Facialprint
✓ verifiedPaid
Digital event guestbook that uses face recognition to auto-deliver photos and collect notes from guests.
478 visits/mo
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clickworker
✓ verifiedPaid
Crowdsourcing platform using 8M+ global workers to deliver AI training data, labeling, surveys, testing and store checks.
1.8M visits/mo
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Lenso.ai
✓ verifiedFreemium
AI reverse image search with facial recognition to find places, people, duplicates, and original sources online.
1.6M visits/mo23K saves
Pricing
Essential: $59/event (up to 100 guests)
Standard: $150/event (up to 500 guests)
No public pricing
No public pricing
Core features
- ✦Face-recognition photo matching for guests
- ✦Personalized guest link and QR sign-up
- ✦Digital guestbook with guest notes
- ✦Automated per-guest photo delivery
- ✦Photo storage up to 50GB for a year
- ✦SMS/email invites on higher tier
- ✦8M+ verified global crowd
- ✦AI training data (image/video/audio/text) and annotation
- ✦Survey tools and respondents
- ✦Store checks and mystery shopping
- ✦Crowdtesting (web/app/games)
- ✦Tagging and categorization
- ✦Managed or self-service plus API
- ✦Reverse image search across categories
- ✦Facial recognition (face search)
- ✦Duplicate detection and original-source tracing
- ✦Advanced filters by domain, language, size, and date
- ✦Research mode for up to 10x more results
- ✦Developer API for image and face search
Use cases
- →Sharing wedding photos with attendees automatically
- →Collecting notes and photos at birthdays or reunions
- →Distributing corporate-event galleries
- →Sourcing AI training and labeled datasets
- →Running surveys and market research
- →Point-of-sale store checks
- →Crowdtesting apps and websites
- →Finding where a face or photo appears online
- →Tracing the original source of an image
- →Protecting image copyrights
- →Integrating reverse image search via API
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