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Surveys · head to head

SurveyLegend vs Wunderkind

SurveyLegend logo

SurveyLegend

Surveys

Swedish survey tool hosted only in Frankfurt, where response limits are counted per survey and export is capped below what you can collect

From
Free
Free plan
Yes
Full reviewWebsite
Wunderkind logo

Wunderkind

Marketing

Identity resolution and triggered messaging for high-traffic retailers, formerly BounceX

From
On request
Free plan
No
Full reviewWebsite

The short version

  • Only SurveyLegend has a free tier, so it costs nothing to try first.
  • Each has a real cost: SurveyLegend every paid tier can collect more responses than it can export, with Pro gathering 5,000 per survey but exporting only 1,000 and Business gathering 20,000 but exporting 10,000, so data you have paid to collect can be stranded inside the product.; Wunderkind pricing is never published and deals are annual with revenue-share terms and a floor, so the effective cost only becomes clear after a year of attributed revenue you have already paid against.
  • They diverge on capability: SurveyLegend covers Per survey response limits, Wunderkind covers Identity resolution network.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which SurveyLegend and Wunderkind actually diverge.

Attributes where SurveyLegend and Wunderkind differ
AttributeSurveyLegendWunderkind
Starting priceFreeOn request
Pricing modelPer month by responses per surveyquote
Free tierYesNo
PlatformsWeb, iOS, AndroidWeb, API
CategorySurveysMarketing

Identical on both: user rating (Not yet rated).

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 SurveyLegend

  • Per survey response limits
  • Frankfurt hosting on every plan
  • Image-led question types
  • Live analytics
  • Conditional logic flows
  • REST API and webhooks

Only in Wunderkind

  • Identity resolution network
  • Triggered email
  • Text message marketing
  • Onsite behavioural messaging
  • Performance-linked pricing
  • Managed service model
  • Attribution reporting
  • Email service provider integration

What people use each for

The jobs each tool is most often brought in to do.

SurveyLegend

  • A European organisation that needs survey responses to stay in the EU without paying for an enterprise tier to get itnot Wunderkind
  • Occasional research where a few surveys each collect a large number of responses, which suits a per-survey quota better than a monthly onenot Wunderkind
  • Consumer-facing surveys where picture choice and visual scales lift completion rates on phonesnot Wunderkind
  • Small teams that want a fixed low monthly cost rather than usage-based billingnot Wunderkind

Wunderkind

  • A large apparel retailer that captures email addresses from only a small share of its traffic and wants to message the rest of its cart abandonersnot SurveyLegend
  • A publisher converting anonymous readers into newsletter subscribers and paid subscription prospects at volumenot SurveyLegend
  • A travel brand with long consideration cycles that wants triggered messaging on browse behaviour without waiting for a form fillnot SurveyLegend
  • A retailer that already has a capable ESP and wants an additional revenue channel layered on top rather than a platform replacementnot SurveyLegend

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

SurveyLegend

  • Every paid tier can collect more responses than it can export, with Pro gathering 5,000 per survey but exporting only 1,000 and Business gathering 20,000 but exporting 10,000, so data you have paid to collect can be stranded inside the product.
  • The free Starter plan cannot export data at all, only preview it in the live analytics, which makes it a demonstration rather than a usable plan and means any real project starts as a paid one.
  • The vendor claims neither SOC 2 nor ISO 27001 nor any third-party audit, and its GDPR page does not disclose hosting location, subprocessors or transfer mechanisms, so an enterprise security review will stall regardless of how good the residency story is.
  • The integration list runs to roughly four connectors with no native Zapier, Make, Slack, Teams, HubSpot or Airtable support, so anything beyond Google Sheets or Mailchimp has to be built against the API, which itself is unavailable below the Business tier.
  • No seat, collaborator or team permission model is documented anywhere in the pricing, features or user guide, so an organisation that needs several people to share and administer surveys has no described way to do it.

Wunderkind

  • Pricing is never published and deals are annual with revenue-share terms and a floor, so the effective cost only becomes clear after a year of attributed revenue you have already paid against.
  • You pay against Wunderkinds own attribution of the revenue it claims to have driven, so the lookback window, credit rules and whether a genuine holdout test is run are commercial terms that materially change your bill and are easy to leave vague.
  • The model needs scale: a site without substantial traffic generates too few identity matches to clear a contract floor, which makes it uneconomic for mid-market retailers however good the pitch sounds.
  • Messaging people who never gave you their email address on your own site carries privacy exposure and brand risk, and it sits uncomfortably with several regulatory regimes and with some consumers regardless of legal defensibility.
  • The identity network is densest in the United States, so a European or Asian retailer gets materially lower match rates and a weaker business case, and the model interacts badly with strict consent regimes such as GDPR.

Pricing, plan by plan

SurveyLegend

Free
  • StarterFree
    • Free forever
    • 3 surveys, 1,000 responses per survey
    • No data export at all
  • Pro$15/month
    • 170 USD per year billed annually, 19 USD if billed monthly
    • 20 surveys, 5,000 responses per survey
    • Export capped at 1,000 responses per survey
  • Business$25/month
    • 300 USD per year billed annually, 39 USD if billed monthly
    • Unlimited surveys, 20,000 responses per survey
    • Export capped at 10,000 responses per survey
  • Legendary$65/month
    • 780 USD per year billed annually, 89 USD if billed monthly
    • Unlimited surveys, 100,000 responses per survey
    • Unlimited data export

Wunderkind

On request
  • Wunderkind for Email$undefined/year
    • Identity resolution and triggered email programmes
    • Managed strategy and campaign operation
    • Annual contract with performance-linked commercial terms
  • Wunderkind for Text$undefined/year
    • SMS programmes against the identity graph
    • Consent and suppression management
    • Annual contract with performance-linked commercial terms

Which should you pick?

Choose SurveyLegend if

  • You need per survey response limits.
  • You want to start without paying.
  • You work on Web, iOS, Android.
  • You also want frankfurt hosting on every plan.
SurveyLegend review

Choose Wunderkind if

  • You need identity resolution network.
  • You work on Web, API.
  • You also want triggered email.
Wunderkind review

Questions people ask

Is SurveyLegend or Wunderkind better?
Neither clearly leads. SurveyLegend starts at Free and Wunderkind at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, SurveyLegend or Wunderkind?
SurveyLegend has a free tier; the other does not. Paid plans start at Free for SurveyLegend and On request for Wunderkind.
Does SurveyLegend or Wunderkind run on more platforms?
SurveyLegend runs on Web, iOS, Android. Wunderkind runs on Web, API.
Can I use SurveyLegend for free?
Yes. SurveyLegend has a free tier, so you can try it without paying. Wunderkind starts at On request.
What is SurveyLegend best used for?
SurveyLegend is most often used for a european organisation that needs survey responses to stay in the eu without paying for an enterprise tier to get it, occasional research where a few surveys each collect a large number of responses, which suits a per-survey quota better than a monthly one, consumer-facing surveys where picture choice and visual scales lift completion rates on phones, small teams that want a fixed low monthly cost rather than usage-based billing. Of those, a european organisation that needs survey responses to stay in the eu without paying for an enterprise tier to get it and occasional research where a few surveys each collect a large number of responses, which suits a per-survey quota better than a monthly one are not what Wunderkind is typically brought in for.
What can SurveyLegend do that Wunderkind cannot?
SurveyLegend covers Per survey response limits, Frankfurt hosting on every plan, Image-led question types, Live analytics. Wunderkind covers Identity resolution network, Triggered email, Text message marketing, Onsite behavioural messaging.

Answered from the vendors’ own pages

SurveyLegend: Where is my data stored?

In Frankfurt, Germany, on DigitalOcean, on every plan including the free one, with backups also held in Frankfurt. There is no United States transfer and no residency upgrade to buy.

Wunderkind: Is Wunderkind the same as BounceX?

Yes. BounceX rebranded as Wunderkind in 2019; the identity resolution and triggered messaging model is the same lineage.

SurveyLegend: What is the catch with the free plan?

You cannot export your data. You can build three surveys, collect a thousand responses each and view the analytics, but getting the raw responses out requires a paid plan.

Wunderkind: How is Wunderkind priced?

It is not published. Contracts are annual and structured around a share of revenue Wunderkind attributes to its messages, usually with a minimum commitment.

SurveyLegend: Why does Pro cost 170 USD a year when the page shows 15 USD a month?

The published annual total is 170 USD, which is ten dollars below twelve times the stated monthly-equivalent rate. Both figures are printed on the vendor pricing page.

Wunderkind: Does it replace my email platform?

No. It runs alongside your existing ESP and adds a triggered channel; it is not a campaign management replacement.

SurveyLegend: Is it suitable for an enterprise rollout?

Probably not. There is no SOC 2 or ISO 27001 certification, no documented team or permission model, and support is by email with phone access only on the top tier.

Wunderkind: Will it work outside the United States?

Less well. The identity network is concentrated in the US, and consent requirements in Europe reduce both match rates and the legal room to message unidentified visitors.

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