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Surveys · head to head

SurveyCTO vs VWO

SurveyCTO logo

SurveyCTO

Surveys

Offline field survey platform priced by submissions rather than seats, built for research data quality

From
Free
Free plan
Yes
Full reviewWebsite
VWO logo

VWO

Marketing

Experience Optimization Platform

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Each has a real cost: SurveyCTO pricing is by submission volume, forms and storage rather than by users, so a small team running continuous high-volume collection can pay more than a 200-person survey team that runs for six weeks; VWO growth plan restricted to 1 workspace and 0 custom attributes
  • They diverge on capability: SurveyCTO covers Offline collection, VWO covers A/B testing.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which SurveyCTO and VWO actually diverge.

Attributes where SurveyCTO and VWO differ
AttributeSurveyCTOVWO
Pricing modelPer month by submission volumeusage-based
PlatformsWeb, Android, iOSWeb, iOS, Android, Server-side
CategorySurveysMarketing
FoundedUnknown2007

Identical on both: starting price (Free), free tier (Yes), 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 SurveyCTO

  • Offline collection
  • XLSForm authoring
  • Automated quality checks
  • Audio auditing
  • Case management
  • Random assignment
  • Server region selection

Only in VWO

  • A/B testing
  • Multivariate testing
  • Heatmaps
  • Session recordings
  • Analytics
  • Google Analytics
  • Slack
  • SSL encryption

What people use each for

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

SurveyCTO

  • A household survey with 200 enumerators across a country where paying per seat would cost more than the fieldworknot VWO
  • An impact evaluation that needs audio auditing and timing metadata to prove interviews were conducted as reportednot VWO
  • A panel study revisiting the same households annually and needing offline case assignment to find them againnot VWO
  • A statistics unit that must keep data inside a specific region and produce a SOC 2 report for its fundernot VWO

VWO

  • A/B testing and multivariate testingnot SurveyCTO
  • Conversion rate optimisationnot SurveyCTO
  • Behavioural analytics and session recordingsnot SurveyCTO
  • Feature experimentation and progressive rolloutsnot SurveyCTO

Where each one falls short

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

SurveyCTO

  • Pricing is by submission volume, forms and storage rather than by users, so a small team running continuous high-volume collection can pay more than a 200-person survey team that runs for six weeks
  • Forms are authored in XLSForm spreadsheet syntax, which is precise and versionable but has a real learning curve, and organisations without someone comfortable in it stall at form design
  • Overage is charged at 100 US dollars per 1,000 extra submissions, which is easy to trigger on the Basic tier at 5,000 a month and produces surprise invoices during an active field round
  • Server region selection only appears on the Pro tier and a custom GDPR data processing agreement only on Advanced, so European data protection requirements push the price to at least 315 and often 630 dollars a month regardless of volume
  • It is built for structured research fieldwork, not for business process forms, so it has no dispatch, no invoicing and no formatted document output, and a field service business would be buying the wrong tool

VWO

  • Growth plan restricted to 1 workspace and 0 custom attributes
  • Single Sign-On (SSO) and API access limited to Enterprise tier only
  • Growth plan offers only 8-hour first response time for support

Pricing, plan by plan

SurveyCTO

Free
  • CommunityFree
    • Permanent free subscription for testing and training
    • 10 forms
    • 200 monthly submissions
  • Basic$225/month
    • Billed annually, 250 USD month to month
    • 100 forms
    • 10 GB storage
  • Pro$315/month
    • Billed annually, 350 USD month to month
    • 500 forms
    • 25 GB storage
  • Advanced$630/month
    • Billed annually, 700 USD month to month
    • Unlimited forms, storage and submissions
    • Advanced offline case management

VWO

Free

No published plan breakdown. See the VWO review.

Which should you pick?

Choose SurveyCTO if

  • You need offline collection.
  • You want to start without paying.
  • You work on Web, Android, iOS.
  • You also want xlsform authoring.
SurveyCTO review

Choose VWO if

  • You need a/b testing.
  • You want to start without paying.
  • You work on Web, iOS, Android, Server-side.
  • You also want multivariate testing.
VWO review

Questions people ask

Is SurveyCTO or VWO better?
Neither clearly leads. SurveyCTO starts at Free and VWO at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, SurveyCTO or VWO?
SurveyCTO starts at Free and VWO at Free.
Does SurveyCTO or VWO run on more platforms?
SurveyCTO runs on Web, Android, iOS. VWO runs on Web, iOS, Android, Server-side.
Can I use SurveyCTO for free?
Both have a free tier, so you can try either at no cost before committing.
What is SurveyCTO best used for?
SurveyCTO is most often used for a household survey with 200 enumerators across a country where paying per seat would cost more than the fieldwork, an impact evaluation that needs audio auditing and timing metadata to prove interviews were conducted as reported, a panel study revisiting the same households annually and needing offline case assignment to find them again, a statistics unit that must keep data inside a specific region and produce a soc 2 report for its funder. Of those, a household survey with 200 enumerators across a country where paying per seat would cost more than the fieldwork and an impact evaluation that needs audio auditing and timing metadata to prove interviews were conducted as reported are not what VWO is typically brought in for.
What can SurveyCTO do that VWO cannot?
SurveyCTO covers Offline collection, XLSForm authoring, Automated quality checks, Audio auditing. VWO covers A/B testing, Multivariate testing, Heatmaps, Session recordings.

Answered from the vendors’ own pages

SurveyCTO: Do I pay per enumerator?

No. Users and devices are unlimited on every paid tier. You pay for monthly submissions, forms and storage.

VWO: Is there a free trial available?

Free for 30 days. No credit card required to start the trial.

Source
SurveyCTO: Is there a free version?

Yes, a permanent community subscription with 10 forms, 200 monthly submissions and 200 MB of storage, intended for testing and training rather than production.

VWO: Are there limits on users or metrics?

Run unlimited optimization at scale with no limit on variations, account users, metrics, session recordings, or integrations.

Source
SurveyCTO: What happens if I exceed my submissions?

Extra credits are 100 US dollars per 1,000, with discounts of 20 per cent or more at volume. Plan the tier around your peak field month, not your average.

SurveyCTO: Can I choose where the data is stored?

Only on Pro and above. If data residency matters, budget for at least the Pro tier.

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