Side-by-side comparison · 24 data points
Merge duplicate accounts and get a better view of the actual Customer Lifetime Value.
| Doppelganger | Stamped Reviews & Loyalty | |
|---|---|---|
| Tagline | ||
| Description | ||
| Screenshots | images | images |
| Languages | ||
| Platforms | ||
| Developer | ||
| Listed | ||
| Last updated | — | — |
Stamped helps you earn new customers, reward loyalty and grow your business in one app.
| Metric | Doppelganger | Stamped Reviews & Loyalty |
|---|---|---|
| Rating | 3.7 ★ | ★ 4.7 ★ |
| Total reviews | 7 | ★ 3.8k |
| Free plan | ★ Yes | — |
| Pricing | ★ Free plan available | From $23/month |
| Built for Shopify | — | — |
| Pricing tiers | 2 tiers | 2 tiers |
| Listed features | 4 | ★ 5 |
| Featured placements | — | 1 |
| Languages | 1 supported | 1 supported |
| Listed since | Oct 2021 | Jan 2016 |
Based on the data on this page, Stamped Reviews & Loyalty is the stronger choice for most Shopify App Store merchants — 4.7★ vs Doppelganger's 3.7★ is a meaningful gap that usually reflects real product or support quality differences across the user base.
On pricing, Doppelganger offers a free tier (Free plan available) while Stamped Reviews & Loyalty starts at From $23/month. For early-stage teams validating fit, the free-tier path lets you run the app on real workloads before committing budget.
Stamped Reviews & Loyalty has the larger user base (3,755 reviews vs 7), which usually maps to broader integration coverage, faster bug-fix cadence, and a deeper bench of community workflow patterns. Doppelganger's smaller cohort can be an advantage for niche workflows where the bigger app has accumulated bloat.
Recommended by size: small/early-stage merchants who need fast install and low risk should default to Stamped Reviews & Loyalty; mid-market and enterprise merchants with specific feature requirements should evaluate both — Doppelganger's 7-review base may include the workflow context that matches your specific use case better than Stamped Reviews & Loyalty's broader-but-shallower coverage.
This verdict is generated from the live marketplace data on this page — rating, review count, pricing tier, and category position all refresh from the canonical Shopify App Store listing every 24 hours. AppRanks does not accept payment to influence comparison outcomes; the methodology is documented on the About page and applies identically to every pair on the site.
Read each app's audit: Doppelganger audit • Stamped Reviews & Loyalty audit
| Keyword | Doppelganger | Stamped Reviews & Loyalty |
|---|---|---|
| loyalty stamp program | Not ranked | #10 |
| loyalty and referral reviews | Not ranked | #12 |
| merge | #24 | Not ranked |
| build trust | Not ranked | #24 |
Not featured in any section recently.
Doppelganger is the cheaper option — it offers a free plan (Free plan available). Stamped Reviews & Loyalty starts at From $23/month. Both publish their pricing on the Shopify App Store; AppRanks mirrors what's listed on each refresh cycle.
Stamped Reviews & Loyalty has the higher average rating (4.7★ from 3,755 reviews) compared to Doppelganger (3.7★ from 7 reviews). Both are tracked daily by AppRanks, so the figures here update each refresh cycle.
Stamped Reviews & Loyalty holds the higher average rating (4.7★ vs 3.7★). That is the one dimension AppRanks can separate them on here — read both apps' detail pages for the feature breakdown and recent listing changes.
Both apps are one-click installs from the Shopify App Store. Stamped Reviews & Loyalty has the deeper published review base (3,755 vs 7), which often — though not always — accompanies better-tested setup docs. AppRanks doesn't measure setup time directly: read the recent reviews on each app's detail page for user-reported install experience.
Doppelganger typically suits early-stage and growth-mode teams based on its published review base (7 reviews). Stamped Reviews & Loyalty typically suits early-stage and growth-mode teams based on its published review base (3,755 reviews). A larger review base generally means the app has been exercised at scale — relevant if you are processing high volume or handling enterprise compliance requirements.
Migration support varies by app and category. Doppelganger and Stamped Reviews & Loyalty both publish their export options on their marketplace listing pages (or in their support docs); some apps offer one-click import from competitors, others require CSV. The fastest check: search "import from Doppelganger" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.
