VILFF
For mystery shopping and field research agencies

Every visit and every interview checked. All of them, not 5%.

The mystery shopper or interviewer records the conversation on a phone. VILFF transcribes it, fills in your questionnaire and backs every answer with a quote. Editors only check what the AI is unsure about.

Try it: 100 hours freeHow it works
  • No hardware
  • Any language
  • EU servers, GDPR
5%

of recordings is usually all a supervisor has time to hear. Nobody checks the other 95%.

200 h

of audio in a single wave of 300 interviews, 40 minutes each. Nobody can replay that by hand.

0 quotes

in a typical questionnaire. When the client asks where a score came from, there is nothing to show.

Who it's for

One tool for two kinds of fieldwork

Mystery shopping

Recorded visits and calls

  • A transcript with the shopper and the staff member separated
  • The questionnaire filled in for each visit, every answer backed by a quote
  • See whether the shopper followed the scenario and asked the required questions
  • A wave summary by question, location and date

Field interviews

Face-to-face questionnaire surveys

  • See whether every question was asked, and how it was worded
  • Open answers in the respondent's own words, not the interviewer's summary
  • Any language, even when it changes mid-conversation
  • A ready dataset on the day fieldwork closes, with Excel export
How it works

Three steps, no integrations

  1. Step 1

    Upload your questionnaire

    Your Excel file as it is: VILFF recognises the questions, scales and answer options on its own.

  2. Step 2

    Record

    The VILFF Android app records at the tap of a button or starts automatically when someone speaks. Or send your own audio files through the API.

  3. Step 3

    Get the results

    Completed questionnaires with quotes, flags for review, analytics by question and export to Excel.

What it looks like

Screens from a demo project: interviews with a 24-question questionnaire

A confidence score for every answerAnything below 100% goes to a person. If the conversation has no answer, VILFF says so instead of making one up.
See at a glance what to checkEvery recording has a status: done or needs review. Editors only open the flagged ones.
Who said whatA transcript with speaker roles, a short summary and a scenario check for every recording.
The whole wave on one screenDistributions and averages for every question, filters by location and date, export to Excel.
GDPR

Your data stays under control

Recorded with the respondent's knowledge

Recording rules stay with the agency. VILFF processes the data under a data processing agreement (DPA).

No audio kept

The recording is deleted after transcription.

Text stored in the EU

Encrypted, on servers in the European Union.

Names hidden

Names and contact details in the text are replaced with placeholders.

VILFF OÜ, Tallinn, Estonia. GDPR-compliant.Data Processing AgreementSub-processors

Pricing

Pay only for the minutes you record

No subscription fee between waves and no hardware.

The first 100 hours are free, enough for a pilot wave.

Start a pilot

For partners

Working with retail chains? Offer your clients continuous service measurement between mystery shopping visits.

Discuss a partnership
FAQ

Frequently asked questions

The agency does the recording, under its own rules and the laws of its country, usually with the respondent informed. VILFF processes the recordings under a data processing agreement.

Try VILFF on your own questionnaire

Leave your work email: we will send you access to the demo project and arrange a 15-minute call.

Or write to info@vilff.com