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1. Listing metadata
Field-level data| CS | Happy Birthday | |
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| Screenshots | images | images |
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| Listed | ||
| Last updated | — | — |
| CS | Happy Birthday | |
|---|---|---|
| Tagline | ||
| Description | ||
| Screenshots | images | images |
| Languages | ||
| Platforms | ||
| Developer | ||
| Listed | ||
| Last updated | — | — |
Send a birthday email with a discount to build loyalty and repeat purchases
| Metric | CS: Server Side Tracking (GTM) | Happy Birthday Email by UW |
|---|---|---|
| Rating | 2.9 ★ | ★ 5.0 ★ |
| Total reviews | 4 | ★ 145 |
| Free plan | Yes | Yes |
| Pricing | Free to install | Free trial available |
| Built for Shopify | — | — |
| Pricing tiers | ★ 4 tiers | 3 tiers |
| Listed features | 5 | 5 |
| Featured placements | — | 1 |
| Languages | 1 supported | 1 supported |
| Listed since | Aug 2023 | Jun 2017 |
Based on the data on this page, Happy Birthday Email by UW is the stronger choice for most Shopify App Store merchants — 5.0★ vs CS: Server Side Tracking (GTM)'s 2.9★ is a meaningful gap that usually reflects real product or support quality differences across the user base.
Pricing entry tiers: CS: Server Side Tracking (GTM) at Free to install, Happy Birthday Email by UW at Free trial available. Check each app's tier structure for the capacity limits you actually need before deciding — the headline number is the same shape, but the gating shape per tier (seats, usage volume, integrations) varies.
Happy Birthday Email by UW has the larger user base (145 reviews vs 4), which usually maps to broader integration coverage, faster bug-fix cadence, and a deeper bench of community workflow patterns. CS: Server Side Tracking (GTM)'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 Happy Birthday Email by UW; mid-market and enterprise merchants with specific feature requirements should evaluate both — CS: Server Side Tracking (GTM)'s 4-review base may include the workflow context that matches your specific use case better than Happy Birthday Email by UW'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: CS: Server Side Tracking (GTM) audit • Happy Birthday Email by UW audit
| Keyword | CS | Happy Birthday |
|---|---|---|
| giveaways and contests | Not ranked | #12 |
| giveaways | Not ranked | #22 |
| and contests | Not ranked | #23 |
| server-side tracking | #24 | Not ranked |
| survey quiz | #169 | Not ranked |
Not featured in any section recently.
No tracked changes.
Both CS: Server Side Tracking (GTM) and Happy Birthday Email by UW offer paid plans only. CS: Server Side Tracking (GTM) starts at Free to install; Happy Birthday Email by UW starts at Free trial available. Compare the per-tier features in the Pricing section above before committing.
Happy Birthday Email by UW has the higher average rating (5.0★ from 145 reviews) compared to CS: Server Side Tracking (GTM) (2.9★ from 4 reviews). Both are tracked daily by AppRanks, so the figures here update each refresh cycle.
Happy Birthday Email by UW holds the higher average rating (5.0★ vs 2.9★). 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. Happy Birthday Email by UW has the deeper published review base (145 vs 4), 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.
CS: Server Side Tracking (GTM) typically suits early-stage and growth-mode teams based on its published review base (4 reviews). Happy Birthday Email by UW typically suits early-stage and growth-mode teams based on its published review base (145 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. CS: Server Side Tracking (GTM) and Happy Birthday Email by UW 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 CS: Server Side Tracking (GTM)" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.
