Research · head to head
REDCap vs Zappi
REDCap
Research
Research data capture licensed free to non-profits, and not licensable at all to companies
- From
- On request
- Rated
- -
Zappi
Research
Automated consumer insights platform for testing advertising, product concepts and brand health
- From
- On request
- Rated
- -
The short version
- Each has a real cost: REDCap a for-profit company cannot hold a licence or self-host REDCap, so a biotech or CRO that liked it at university simply cannot deploy it the same way and must buy a commercially licensed hosted version instead.; Zappi nothing is published: pricing is a platform subscription plus a prepaid credit bundle quoted per customer, so a buyer cannot benchmark the cost against agency research without going through sales.
- They diverge on capability: REDCap covers Form and survey designer, Zappi covers Validated study templates.
- Prices and features above were last checked on 31 August 2026.
Where they differ
Only the attributes on which REDCap and Zappi actually diverge.
Identical on both: starting price (On request), pricing model (quote), free tier (No), user rating (Not yet rated), category (Research).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in REDCap
- Form and survey designer
- Longitudinal projects
- Data quality rules
- Randomisation
- Audit trail and e-signature
- API and exports
Only in Zappi
- Validated study templates
- Respondent panel access
- Normative benchmarks
- Creative testing
- Brand health tracking
- AI analysis over history
- Unlimited users
- Exports and integrations
What people use each for
The jobs each tool is most often brought in to do.
REDCap
- An academic research group at an institution that already runs REDCap, where a new study database costs nothing beyond the time to build itnot Zappi
- A hospital collecting patient reported outcomes where data must stay on institutional infrastructure rather than a vendor cloudnot Zappi
- An investigator initiated trial that needs randomisation, an audit trail and statistical export without a commercial EDC budgetnot Zappi
- A multi site academic collaboration where each site can be given scoped access to a single longitudinal projectnot Zappi
Zappi
- A beverage brand screening thirty flavour concepts before committing to two for consumer testingnot REDCap
- A marketing team pre-testing three advertising edits in a day so a media booking deadline can be metnot REDCap
- An insights function replacing repeated ad-hoc agency studies with a comparable, accumulating body of test resultsnot REDCap
- A brand manager running continuous brand health tracking without negotiating a separate tracker contract each yearnot REDCap
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
REDCap
- A for-profit company cannot hold a licence or self-host REDCap, so a biotech or CRO that liked it at university simply cannot deploy it the same way and must buy a commercially licensed hosted version instead.
- Because each institution hosts its own instance, support, uptime, backup and version currency vary by university, and a researcher has no recourse to Vanderbilt when the local instance is two years out of date.
- It is free of licence fee but not free of cost: the hosting institution carries server, security, patching and support staffing, which is why some institutions charge internal recharges per project.
- Validation for regulated use is the deploying institution responsibility, so an instance is not Part 11 compliant simply because REDCap supports the features; someone locally has to produce and maintain the evidence.
- The interface and reporting are dated compared with commercial survey and EDC tools, and complex logic is built through data dictionary spreadsheets rather than a modern visual builder, which slows non technical study teams.
Zappi
- Nothing is published: pricing is a platform subscription plus a prepaid credit bundle quoted per customer, so a buyer cannot benchmark the cost against agency research without going through sales.
- Credits are prepaid against a forecast of the year ahead, which means a team that overestimates research volume ends the year having paid for studies it never ran.
- The template model that makes studies fast also constrains them; a research question that does not fit a validated instrument either gets forced into one or goes to an agency anyway.
- Normative benchmarks are strongest in fast-moving consumer goods categories where Zappi has depth, and thinner in business-to-business, financial services and niche categories, where the comparison numbers mean less.
- Because respondents come from Zappi-sourced panels, sample composition is a vendor decision rather than yours, and any team that needs a bespoke recruitment specification or a low-incidence audience will find the automated route unsuitable.
Pricing, plan by plan
REDCap
On request- REDCap non-profit licence$undefined/year
- No licence fee to non-profit and government institutions that join the consortium
- Institution must install and host it on its own infrastructure
- For-profit organisations may not hold a licence or self-host
Zappi
On request- Premium$undefined/year
- Platform subscription with unlimited users
- Access to all research solutions
- Credit bundle scoped to annual research volume
- Enterprise$undefined/year
- Platform subscription with unlimited users
- Multi-market and global organisation controls
- Connected insights across markets and brands
Which should you pick?
Choose REDCap if
- You need form and survey designer.
- You work on Web, Linux, Windows.
- You also want longitudinal projects.
Choose Zappi if
- You need validated study templates.
- You also want respondent panel access.
Questions people ask
- Is REDCap or Zappi better?
- Neither clearly leads. REDCap starts at On request and Zappi at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, REDCap or Zappi?
- REDCap starts at On request and Zappi at On request.
- Does REDCap or Zappi run on more platforms?
- REDCap runs on Web, Linux, Windows. Zappi runs on Web.
- What is REDCap best used for?
- REDCap is most often used for an academic research group at an institution that already runs redcap, where a new study database costs nothing beyond the time to build it, a hospital collecting patient reported outcomes where data must stay on institutional infrastructure rather than a vendor cloud, an investigator initiated trial that needs randomisation, an audit trail and statistical export without a commercial edc budget, a multi site academic collaboration where each site can be given scoped access to a single longitudinal project. Of those, an academic research group at an institution that already runs redcap, where a new study database costs nothing beyond the time to build it and a hospital collecting patient reported outcomes where data must stay on institutional infrastructure rather than a vendor cloud are not what Zappi is typically brought in for.
- What can REDCap do that Zappi cannot?
- REDCap covers Form and survey designer, Longitudinal projects, Data quality rules, Randomisation. Zappi covers Validated study templates, Respondent panel access, Normative benchmarks, Creative testing.
Answered from the vendors’ own pages
REDCap: Is REDCap really free?
The licence is free to non-profit institutions and government organisations that join the consortium, but they must host and support it themselves, so there is real internal cost.
Zappi: Does Zappi publish prices?
No. It publishes the structure, a platform subscription plus credits plus optional services, but not the numbers.
REDCap: Can my company use REDCap?
Not by holding a licence or self-hosting. For-profit organisations must use a separately licensed commercial hosted route.
Zappi: How fast do results come back?
Automated tests typically return within hours to a day, which is the main reason teams choose it over a commissioned study.
REDCap: Is REDCap 21 CFR Part 11 compliant?
It has the features to support Part 11 use, but compliance depends on how the hosting institution configures, validates and documents its own instance.
Zappi: Do we still need an agency?
For standard concept, creative and brand tests, usually not. For bespoke methodologies and hard-to-reach audiences, yes.
REDCap: Who supports it?
Your local institutional REDCap administrator, not Vanderbilt. Support quality varies by site.
Zappi: Is there a per-seat charge?
No. Both published tiers include unlimited users; the variable cost is research credits.
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