Doppelganger for Shopify App Store
Doppelganger is the #155 ranked customer loyalty app on Shopify, with a 3.7 average rating from 7 reviews, with a free plan available, as of Sep 11, 2026.
Doppelganger is a Shopify App Store app by Marquee Development, launched October 2021. With a rating of 3.7★ from 7 reviews, it currently ranks #155 in the Customer loyalty category.
AppRanks data: Doppelganger ranks #155 in Customer loyalty on Shopify App Store, placing it in the top 29% of that category.
AppRanks verdict
Generated from live marketplace data — refreshed daily
Doppelganger is a mixed-rating Shopify app with a limited review volume. It is listed in the Customer loyalty category on Shopify App Store, which AppRanks treats as the canonical taxonomy node for ranking and competitor comparison. 7 reviews put it in the early-traction tier — useful for early-stage stores willing to be on the leading edge. Early-traction review counts are sensitive to single launch periods or feature events, so a 30-day re-check before bigger commitments often resolves whether the trend is sustained. The free tier lets you trial the entry feature set without committing a payment method. AppRanks tracks rating, review count, pricing tier, and category position daily — the figures on this page reflect the most recent scrape from the canonical Shopify App Store listing.
Pros
- +Free tier available — no card required to evaluate
- +Published by Marquee Development — established developer track record
Cons
- −Average rating below 4.0 (3.7★) — read recent low-star reviews before committing
- −Limited review base (7) — ratings can shift significantly with new feedback
Looking to switch from Doppelganger?
See Doppelganger's alternatives ranked by audit score, rating, and review velocity.
About Doppelganger
How Doppelganger works
Every shop has to deal with duplicate accounts. Whether it is from Point Of Sale sales with credit cards or from customers using multiple email addresses to place orders. As a result, your Customer Lifetime Value (CLV) is often way off.
With Doppelganger, you can find, link and merge duplicate accounts.
Also useful for linking accounts from the same company together to determine the Life Time Value of a client company.
Screenshots



Key features
- Find duplicate accounts
- Link duplicate accounts
- Merge duplicate accounts
- Privacy focused. You stay in control of your customer's data.
Pricing plans
Free
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Basic5/month
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Category rankings
As of Sep 11, 2026- Customer loyalty#155of 536Top 29%
See 90-day rank history for each category
Track daily rank changes, category shifts, and position volatility.
Keyword rankings
Doppelganger ranks for 1 keywords across Shopify App Store. Here are the top 1:
- 1.mergeRank #24
Competitors & alternatives
Doppelganger doesn't have curated competitor matchups yet. Other tracked customer loyalty apps on Shopify:
Frequently asked questions
What is Doppelganger?
Doppelganger is an app for Shopify. It currently holds a 3.7-star rating from 7 merchant reviews, and it has been listed on the marketplace since 2021. It is listed under the Customer loyalty category on AppRanks, where you can see its current category position, review-velocity trend, and how it compares against the top alternatives in the same space. Developed by Marquee Development.
Is Doppelganger free?
Doppelganger offers a free plan that merchants can install on Shopify without entering payment details. Paid tiers Basic unlock additional features for teams that outgrow the free plan. Pricing details on this page are mirrored from the live Shopify listing and refresh on each scrape cycle.
Who uses Doppelganger?
Doppelganger is actively installed across Shopify stores tracked by AppRanks. Its review base is still building, which usually maps to early-stage merchants and stores piloting a new workflow. It is part of the Customer loyalty category on Shopify.
Where does Doppelganger rank on Shopify?
Doppelganger currently sits at position #155 in the Customer loyalty category on Shopify. That places it in the top 29% of 536 apps tracked in the same category. Category positions are read from the live marketplace ranking and refresh on each scrape, so the number you see here reflects the most recent crawl rather than a long-running average.