New · 100 free interviews on every account

Field surveys that work anywhere. Even offline.

Build the questionnaire in a visual editor, send it to your interviewers' phones, collect answers and audio without a signal, and let AI flag inconsistent interviews for review.

  • No credit card
  • 100 interviews included
  • Português and English
app.nodsurvey.com
NodSurvey dashboard: credits balance, interviews over time and AI audit summary
Quota cells per respondent profileQuotas and screen-outs
Interview detail with the AI audit verdictAudio and AI audit
Built for teams who collect data in the field
  • Political polling
  • Market research
  • Public opinion
  • Social programs
  • Academic research
  • Customer experience
Everything in one place

From questionnaire to verdict, one workflow

Design, field, audit and analyze without stitching tools together.

Visual survey builder

Drag-and-drop editor with single choice, multiple choice and short text questions. Once a version has interviews it is frozen; edits create a new version, so past answers never break.

Visual survey builder

Offline mobile app

Interviewers download their assigned surveys and run interviews with no signal. Everything syncs when they are back online, and each interview carries its own ID so nothing is ever counted twice.

Audio and AI audit

Every mobile interview is recorded. Opt in per survey and an AI judge transcribes the audio, compares it with the recorded answers and flags what does not add up. Coordinators keep the final word.

Interview detail: location, audio and AI audit

Quotas and screen-outs

Cap completions per respondent profile: women 18–34, north region, undecided voters. Full cells screen respondents out on the device, and screen-outs are never billed.

Quota cells per respondent profile

Results and export

One chart per question, per survey version. Export completed interviews to CSV or XLSX for your own analysis.

Projects and roles

Group surveys into projects. Admins, coordinators and interviewers each see only what they need, and interviewers are assigned per project, then per survey.

Location and timestamps

Each interview records where and when it happened, with a map on the detail page.

Prepaid credits

One completed interview, one credit. Buy packs in USD or BRL by card; there is no subscription.

How it works

Three steps from idea to data

1

Build

Create the questionnaire, define quotas and switch on AI audit if you want it.

2

Field

Invite interviewers and assign them to projects and surveys. They run interviews on the mobile app, online or offline.

3

Review

Watch results arrive, review flagged interviews and export the data.

See it in action

A look inside

Screens from a demo workspace with sample data.

Built for the field

Designed around bad signal and long days

Offline first

Interviews run with no connectivity and sync later.

Never double-counted

Every interview has a client-generated ID; retries return the same record.

Audio trail

Recordings are stored per interview for audit.

Isolated by design

Each customer's data is separated at every query.

Pricing

Simple, prepaid pricing

One completed interview equals one credit. No subscription, no per-seat fees.

Free tier

100 credits

Every account starts with 100 interviews at no cost.

  • All features included
  • Unlimited surveys and interviewers
  • Web and mobile apps
  • Português and English
Start free

Prepaid packs

Pay as you go

Buy credit packs by card when you need more.

  • Priced in USD or BRL
  • Card checkout with receipts
  • AI audit: one extra credit per audited interview
  • Screen-outs and abandoned interviews are never charged
Talk to us

Frequently asked questions

Does it really work offline?

Yes. Interviewers download their assigned surveys while online. Interviews, answers and audio are stored on the phone and synced when a connection is back. Sync runs while the app is open.

Which question types are supported?

Single choice, multiple choice and short text today. The editor deliberately hides types the mobile app cannot render yet.

Is audio recorded on the web too?

No. Audio recording is a mobile feature. Web interviews collect answers only.

How does the AI audit work?

When enabled for a survey, each completed interview's audio is transcribed and an AI judge compares the transcript with the recorded answers. It returns consistent, inconsistent or inconclusive with a short summary. Only inconsistent interviews with high confidence are flagged, and a coordinator makes the final call.

Who can see transcripts and recordings?

Only coordinators and admins of your account. Interviewers never see other interviewers' work.

How do I get started?

Get in touch and we set up your workspace, in Portuguese or English. You can start fielding the same day with 100 free interviews.

Ready to field your next survey?

Tell us about your project and we will set up your workspace.