Union Works Apps is a Shopify app developer that makes Happy Birthday Email by UW, a giveaways and contests app on the Shopify App Store. It provides a birthday email app for Shopify merchants. Among the 15,394 Shopify brands over $5M that dtcmvp tracks, 167 (1.1%) run Happy Birthday Email by UW, more than any other giveaways and contests app. Its share is highest among Arts, Crafts & Hobbies (4.9%), Food & Beverage (2.8%) and Specialty & Other (2.2%) brands. It is rated 5 out of 5 from 145 reviews on the Shopify App Store. It carries Shopify's Built for Shopify badge. Happy Birthday Email by UW has 3 plans on the Shopify App Store, from $10 to $40 a month.
Overview
Union Works Apps sells Happy Birthday Email, a Shopify app that collects customer birthdays and sends automated birthday emails with discount codes. It helps merchants build a birthday club and bring customers back for repeat purchases without sending each email by hand.
For Shopify brands
- Collects customer birthdays after purchase, on landing pages, in store through Shopify POS, and on Thank you and Order Status pages.
- Sends birthday emails with unique discount codes and follow-up emails to customers who have not redeemed the offer.
- Shows how many customers sign up, how many emails are sent, and the revenue from birthday emails.
How it works
The merchant installs the app from the Shopify App Store and adds birthday capture forms to the store using app blocks. The app stores birthdays, then sends the birthday emails and follow-ups on schedule with the discount codes the merchant sets up.
- Built for
- Shopify merchants that want to collect customer birthdays and send birthday offers to drive repeat purchases.
- Pricing
- The app has a free plan and three paid tiers: Base at $10/month for up to 1k Birthday Club members, Growth at $20/month for up to 5k, and Unlimited at $40/month for unlimited members.
Products
- Happy Birthday Email Collects customer birthdays and sends automated birthday emails with discount codes and follow-ups.
Integrations
Buyer notes
- Klaviyo and other email service provider connections are included in the Unlimited plan.
- Birthdays are added to customer metafields on all paid plans.
- Listed in the Marketing and conversion and Store management categories on the Shopify App Store.
- Has the Built for Shopify badge.
From Union Works Apps's own site and Shopify App Store listings, as of 2026-10-30.
Among Shopify brands over $5M
Share of each sector's brands running it, where that beats the overall rate.
On the Shopify App Store
Happy Birthday Email by UW
5.0 · 145 reviewsBuilt for ShopifyFree planPaid from $10/moOn 1.1% of brands over $5MLaunched 2017Giveaways and contestsCelebrate birthdays with personalised emails and discount codes. Collect birth dates, build loyalty, and drive repeat sales with Happy Birthday Email.
Pricing
Base$10/month- Store up to 1k Birthday Club members
- Send birthday emails and follow-ups
- Capture birthdays online and in-store
- Add birthdays to customer metafields
- +2 more
28-day free trialGrowth$20/month- Store up to 5k Birthday Club members
- Send birthday emails and follow-ups
- Capture birthdays online and in-store
- Add birthdays to customer metafields
- +2 more
28-day free trialUnlimited$40/month- Store unlimited Birthday Club members
- Connects to Klaviyo and other ESPs
- Send birthday emails and follow-ups
- Capture birthdays online and in-store
- +3 more
28-day free trial
Ratings, reviews, plans, prices and descriptions as the Shopify App Store lists them. how we count.
Alternatives to Union Works Apps
The most used giveaways and contests apps among Shopify brands over $5M.
| App | Brands over $5M | App Store |
|---|---|---|
| ViralSweep Giveaways Contests · ViralSweep | 0.7% | 4.5 · 149 |
| Gleam Competitions · Gleam | 0.3% | 3.9 · 33 |
| Giveaway Ninja • Giveaways · CrazyRocket | 0.2% | 5.0 · 89 |
| Discount Hunt · Wheelhouz | 0.1% | 3.7 · 6 |
| Social Boost by AppsMav · Maverick Mav Pty Limited | 0.1% | 4.8 · 58 |
| SweepWidget Giveaways Contests · SweepWidget | 0.1% | 4.0 · 13 |
Often used with Union Works Apps
What its brands run more often than Shopify brands over $5M do overall.
- Upsell & Cross Sell — Selleasy10.8% of its brands · 1.6x average
- Searchanise Search & Filter10.8% of its brands · 1.6x average
- Instafeed29.3% of its brands · 1.5x average
- Smile10.8% of its brands · 1.4x average
- Awin16.8% of its brands · 1.3x average
What Shopify apps does Union Works Apps make?
Union Works Apps has 1 app on the Shopify App Store: Happy Birthday Email by UW.
How many Shopify brands use Union Works Apps?
Among the 15,394 Shopify brands over $5M that dtcmvp tracks, 167 (1.1%) run Happy Birthday Email by UW, more than any other giveaways and contests app. Its share is highest among Arts, Crafts & Hobbies (4.9%), Food & Beverage (2.8%) and Specialty & Other (2.2%) brands.
What are the alternatives to Union Works Apps?
The most used giveaways and contests apps among Shopify brands over $5M, after Union Works Apps: ViralSweep Giveaways Contests (0.7%), Gleam Competitions (0.3%), Giveaway Ninja • Giveaways (0.2%), Discount Hunt (0.1%), Social Boost by AppsMav (0.1%) and SweepWidget Giveaways Contests (0.1%).
What do Union Works Apps's brands use alongside it?
Of the brands running Union Works Apps, 10.8% also run Upsell & Cross Sell — Selleasy, 10.8% also run Searchanise Search & Filter, 29.3% also run Instafeed, 10.8% also run Smile and 16.8% also run Awin. Each is at least 1.3 times as common among them as across all brands over $5M.
How is Happy Birthday Email by UW rated?
Happy Birthday Email by UW is rated 5 out of 5 from 145 reviews on the Shopify App Store.
How much does Union Works Apps cost?
Happy Birthday Email by UW has 3 plans on the Shopify App Store, from $10 to $40 a month. Happy Birthday Email by UW: Base, $10/month; Growth, $20/month; Unlimited, $40/month.