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Marketing · head to head

AB Tasty vs Fillout

AB Tasty logo

AB Tasty

Marketing

Conversion optimization platform

From
€500/month
Free plan
No
Full reviewWebsite
Fillout logo

Fillout

Surveys

Form builder that reads and writes records in Airtable, Notion, HubSpot and Salesforce, with unlimited seats on every plan including the free one

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Only Fillout has a free tier, so it costs nothing to try first.
  • Each has a real cost: AB Tasty no transparent pricing published; requires custom sales conversation for any quote; Fillout the Business plan is marketed with unlimited responses but the fair use policy names thresholds of 30,000 submissions a month, 250,000 in total, 500 forms per account and 50 GB of uploads a month, above which the vendor may limit or suspend features, so unlimited means unmetered rather than uncapped.
  • They diverge on capability: AB Tasty covers A/B testing, Fillout covers Unlimited seats and forms.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which AB Tasty and Fillout actually diverge.

Attributes where AB Tasty and Fillout differ
AttributeAB TastyFillout
Starting price€500/monthFree
Pricing modelquotePer month by response count
Free tierNoYes
PlatformsWebWeb, API
CategoryMarketingSurveys
Founded2011Unknown

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 AB Tasty

  • A/B testing
  • Multivariate testing
  • Personalization
  • Visual editor
  • Google Analytics
  • Salesforce
  • SSL encryption
  • Cloud deployment

Only in Fillout

  • Unlimited seats and forms
  • Database read and write
  • Soft response limits
  • Conditional logic and calculations
  • EU hosting
  • REST API and webhooks

What people use each for

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

AB Tasty

  • A/B and multivariate testing on web and mobilenot Fillout
  • Feature flagging and progressive rolloutsnot Fillout
  • Personalising content for identified and anonymous visitorsnot Fillout
  • Search, recommendations and merchandising for ecommercenot Fillout
  • Conversion optimisation experiments across channelsnot Fillout

Fillout

  • A team already running on Airtable or Notion that wants forms which update existing records rather than appending new rowsnot AB Tasty
  • An organisation with many occasional form builders, where per-seat pricing elsewhere would cost more than the forms are worthnot AB Tasty
  • Replacing a survey tool, a scheduling tool and a payment link with one form that does all threenot AB Tasty
  • Public forms that must keep collecting through an unexpected traffic spike rather than shutting off at a quotanot AB Tasty

Where each one falls short

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

AB Tasty

  • No transparent pricing published; requires custom sales conversation for any quote
  • Pricing determined by traffic volume, number of domains, and selected modules
  • No fixed pricing plans available; all customers receive individualized proposals

Fillout

  • The Business plan is marketed with unlimited responses but the fair use policy names thresholds of 30,000 submissions a month, 250,000 in total, 500 forms per account and 50 GB of uploads a month, above which the vendor may limit or suspend features, so unlimited means unmetered rather than uncapped.
  • EU data residency begins on the Team plan at 250 USD per month, more than three times the Business price, and is not applied automatically; you must upgrade and then raise a support request to be moved.
  • The Team plan is hidden behind a secondary tab that does not render without interaction, so buyers reading the pricing page see Business at 75 USD as the top self-serve tier and only discover the 250 USD step when they ask for single sign-on or EU hosting.
  • The enterprise marketing page lists hosting in the United States, EU, United Kingdom, Australia and Canada, but the security documentation and subprocessor list name only the United States and the EU, so three of those five regions should be confirmed in writing before they are relied on.
  • The vendor is SOC 2 Type 2 but claims neither ISO 27001 nor HIPAA anywhere in its documentation, and it is angel-funded with no disclosed institutional round while the parent company now trades as Zite and ships a separate AI application builder.

Pricing, plan by plan

AB Tasty

€500/month
  • Standard$500/month
    • A/B testing
    • Basic personalization
    • Analytics

Fillout

Free
  • FreeFree
    • 1,000 responses per month
    • Unlimited forms and unlimited seats
    • 20 MB per file upload
  • Starter$15/month
    • 180 USD per year billed annually, a stated 20 percent saving on monthly billing
    • 2,000 responses per month
    • Unlimited forms and seats
  • Pro$40/month
    • 480 USD per year billed annually
    • 5,000 responses per month
    • Branding fully removed at this tier
  • Business$75/month
    • 900 USD per year billed annually
    • Marketed as unlimited responses, subject to a fair use threshold near 30,000 per month
    • 1 GB per file upload

Which should you pick?

Choose AB Tasty if

  • You need a/b testing.
  • You also want multivariate testing.
AB Tasty review

Choose Fillout if

  • You need unlimited seats and forms.
  • You want to start without paying.
  • You work on Web, API.
  • You also want database read and write.
Fillout review

Questions people ask

Is AB Tasty or Fillout better?
Neither clearly leads. AB Tasty starts at €500/month and Fillout at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, AB Tasty or Fillout?
Fillout has a free tier; the other does not. Paid plans start at €500/month for AB Tasty and Free for Fillout.
Does AB Tasty or Fillout run on more platforms?
AB Tasty runs on Web. Fillout runs on Web, API.
Can I use Fillout for free?
Yes. Fillout has a free tier, so you can try it without paying. AB Tasty starts at €500/month.
What is AB Tasty best used for?
AB Tasty is most often used for a/b and multivariate testing on web and mobile, feature flagging and progressive rollouts, personalising content for identified and anonymous visitors, search, recommendations and merchandising for ecommerce. Of those, a/b and multivariate testing on web and mobile and feature flagging and progressive rollouts are not what Fillout is typically brought in for.
What can AB Tasty do that Fillout cannot?
AB Tasty covers A/B testing, Multivariate testing, Personalization, Visual editor. Fillout covers Unlimited seats and forms, Database read and write, Soft response limits, Conditional logic and calculations.

Answered from the vendors’ own pages

AB Tasty: How does AB Tasty calculate pricing?

AB Tasty pricing is customized based on average traffic over the past 12 months or monthly active users (MAUs). The vendor does not offer fixed pricing plans and instead builds custom proposals around each customer's business goals and scope.

Source
Fillout: Are seats really unlimited?

Yes. The vendor states there are no per-seat charges on any plan, including Free, and forms are unlimited too. Responses per month is the only meter below the Business tier.

AB Tasty: What factors affect AB Tasty pricing besides traffic volume?

Pricing is customized based on traffic volume, number of domains, selected modules, and implementation scope. All pricing includes platform access, onboarding, training, and support with no hidden fees or surprise overage charges.

Source
Fillout: What happens when I exceed my response quota?

Nothing breaks. Forms keep collecting, and you can upgrade, buy bulk submissions or wait for the monthly reset.

AB Tasty: Does AB Tasty offer a free trial or proof of concept?

AB Tasty does not offer a traditional free trial. Instead, the vendor provides a free proof of concept evaluation typically lasting 1 to 2 weeks to assess platform fit before purchase commitment.

Source
Fillout: Can I host respondent data in the EU?

Only from the Team plan at 250 USD per month, and only after contacting support to switch. Note that email and payment subprocessors remain in the United States regardless.

Fillout: Is the Business plan really unlimited responses?

It is unmetered, not uncapped. The fair use policy names roughly 30,000 submissions a month as the point at which the vendor may intervene, so treat that as the practical ceiling.

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