Customer surveys

Grapevine

By Union Works Apps

A post-purchase survey app for attribution questions, customer feedback, NPS and satisfaction research with unlimited responses.

The verdict

Is Grapevine right for you?

Choose it if...

  • You want zero-party attribution or feedback after purchase
  • You will act on answers rather than collect them passively
  • You need survey data connected to Shopify orders

Look elsewhere if...

  • You want survey answers to replace behavioural attribution
  • Your questions are long, leading or constantly changing
  • No owner will review and close the feedback loop
StackFit’s view

Its core job is collecting direct customer answers about acquisition, experience and purchase motivation.

See the full product summary

Grapevine is a Shopify app for collecting direct customer answers about acquisition, experience and purchase motivation. This guide separates the useful day-to-day job from the wider feature list so you can judge the operational fit before installing it.

What you get

The main outcomes to expect.

Focus on the capabilities that solve a real customer or operational problem.

  • Post-purchase attribution surveys
  • NPS and CSAT questions
  • Order-linked response data
  • Survey exports and connected workflows
Setup effortModerate setup
Best ownerCustomer insight or growth lead
Connections4 recorded
See connections and integrations
  • Shopify Flow
  • Klaviyo
  • GA4
  • Order and customer data

Getting started

A practical route to launch.

Scan the stages first. Open only the instructions you need while completing the work.

Before you startHave these essentials ready
  • A measured baseline for survey completion rate
  • A named owner for setup, testing and ongoing review
  • A documented rollback route if the customer journey breaks
  1. 01
    PlanDefine the first job
  2. 02
    InstallConfigure the smallest useful version
  3. 03
    ConfigureCheck the connected journey
  4. 04
    ConfigureRun realistic tests
  5. 05
    TestMeasure before expanding

Detailed walkthrough

01PlanDefine the first job

Write down the exact problem Grapevine should solve, the customers or products in scope and the current survey completion rate.

What you should have
A one-page launch brief with a dated baseline
How to check it
Confirm a one-page launch brief with a dated baseline before continuing.
Open the official instructions
02InstallConfigure the smallest useful version

Choose one business decision, write one neutral primary question and no more than two useful follow-ups, then place the survey where it does not obstruct confirmation.

What you should have
One controlled workflow with clear eligibility and exclusions
How to check it
Confirm one controlled workflow with clear eligibility and exclusions before continuing.
Open the official instructions
03ConfigureCheck the connected journey

Review the storefront, Shopify admin, notifications, reports and any connected platforms. Remove duplicate features before publishing.

What you should have
A completed dependency and ownership check
How to check it
Confirm a completed dependency and ownership check before continuing.
Open the official instructions
04ConfigureRun realistic tests

Complete purchases through major devices and channels, verify order linkage and exports, and review whether each answer option is understandable and mutually useful.

What you should have
Passed mobile, desktop and admin-side test evidence
How to check it
Confirm passed mobile, desktop and admin-side test evidence before continuing.
Open the official instructions
05TestMeasure before expanding

Run the controlled setup long enough to compare survey completion rate and response quality with the saved baseline. Expand only when the evidence supports it.

What you should have
A keep, change or remove decision with an owner and review date
How to check it
Complete the journey on mobile and desktop, then confirm the intended event appears in the app reporting.
Open the official instructions
See the full planning checklist
  • The single customer or operational problem to solve first
  • Which products, markets and customer groups are included
  • What result would justify keeping the app after the trial
  • Which existing app or Shopify feature owns any overlapping job

Using it well

A simple operating rhythm.

You do not need to inspect everything every day. Use this schedule to focus on the right checks.

Every week

Review feedback and exceptions

A weekly check catches poor customer experiences before they become normal.

What to do and track
What to do

Review survey completion rate and response quality plus failed or excluded journeys.

Useful output

Weekly survey completion rate trend and open exceptions

Read the official guidance
Every month

Check commercial value

Attributed activity is only useful when the net outcome improves.

What to do and track
What to do

Compare the commercial or operational benefit with app cost, discounts and team time.

Useful output

A documented net-value decision

Read the official guidance
After major changes

Re-test anything affected

Connected app behaviour can change when another part of the stack changes.

What to do and track
What to do

Repeat the test journey after theme, checkout, catalogue, consent or integration changes.

Useful output

A passed regression check

Read the official guidance

Success check

How to know it is working

  • Survey completion rate
  • Response quality
  • Self-reported acquisition mix
  • Closed feedback actions

Cost and cautions

Know the commitment before you choose.

Starting price
USD 25/month
Typical range
One published paid plan
Pricing model
Flat subscription

The app listing advertises unlimited responses; confirm current feature access and trial terms.

Check current pricing before purchasing. Snapshot checked 21 August 2026.

01

Installing Grapevine without recording a baseline for survey completion rate.

02

Switching on every available feature before the core journey has been tested.

03

Treating app-reported revenue or activity as incremental without a controlled comparison.

See 3 more technical and commercial considerations
  • Self-reported answers contain recall and selection bias.
  • Long surveys reduce completion and answer quality.
  • Attribution surveys should complement rather than replace measured channel data.

Questions and evidence

Answers without the research overload.

Is Grapevine the right choice for every Shopify store?

No. It is strongest when you want zero-party attribution or feedback after purchase. Stores that you want survey answers to replace behavioural attribution should compare the alternatives before installing.

How should I test Grapevine?

Record the relevant baseline, launch the smallest useful configuration, check the complete customer journey and compare the agreed metric after enough traffic or orders have accumulated.

Does the affiliate relationship affect this guide?

No. StackFit may earn a commission from the app link, but commercial relationships never affect quiz scoring, rankings or the editorial verdict.

How much work does Grapevine take to set up?

Moderate setup is the current planning guide. Before installing it, confirm a measured baseline for survey completion rate, a named owner for setup, testing and ongoing review, a documented rollback route if the customer journey breaks, then test the complete customer and operational journey.

What should I measure after launching Grapevine?

Start with survey completion rate, response quality, self-reported acquisition mix. Compare those measures with the pre-launch baseline and include app cost and operating time.

Key official sources

Ready to move?

Choose the route that matches your confidence.

Ready to try it

Go to Grapevine

Check the current listing, pricing and compatibility before installing.

Visit Grapevine
Still unsure

Get a store-specific answer

See what to install now, add later, replace and avoid for the moment.

Start the free assessment
The app link is commercial and may earn StackFit a commission. Commission never affects recommendations.