Shopify App Comparison 2026
Happy Birthday Emails by UW vs ViralSweep Giveaways Contests: Shopify App Comparison (2026)
Happy Birthday Emails by UW
ViralSweep Giveaways Contests
Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for Happy and ViralSweep Giveaways Contests to find the best fit for your store.
Celebrate birthdays with personalised emails and discount codes. Collect birth dates, build loyalty, and drive repeat sales with Happy Birthday Email.
View Full DetailsKey Features
- Send birthday emails with personalised messages and discounts
- Run a birthday loyalty campaign with zero ongoing effort
- Collect birthdays and age data at checkout, POS, or landing pages
- Works with your email platform or sends happy birthday emails for you
- Populates Shopify’s customer birthday metafield
ViralSweep is the easiest way to build and run giveaways, sweepstakes, photo and video contests, social media contests, and raffles to boost your Shopify sales.
View Full DetailsKey Features
- Create your giveaway or raffle in minutes & share it easily with your customers
- Give bonus entries for completing social media actions: like, share, & more
- Run purchase-based giveaways to reward entries based on spend $1 spent = 1 entry
- Refer friends or complete social actions to move up spots on the waitlist
- Integrates with all your favorite email marketing, social media, & SMS platforms
Happy vs Contests — Side-by-Side Feature Comparison
Wondering which app offers the features you actually need? This feature-by-feature breakdown shows exactly where Happy and ViralSweep Giveaways Contests differ — so you can make an informed decision for your Shopify store.
| Feature | Happy Birthday | ViralSweep Giveaways Contests |
|---|---|---|
| Free plan available | ||
| Built for Shopify | ||
| 24/7 support | ||
| Multi-language | ||
| Mobile-optimized | ||
| Analytics dashboard | ||
| API access | ||
| Custom branding |
Integration & Compatibility Comparison
App integrations matter — especially when you're running multiple tools in your Shopify stack. Here's what each app connects with out of the box.
Happy Birthday Emails by UW
- Customer accounts
- Shopify POS
- Shopify Flow
- Shopify Admin
- Klaviyo
- Mailchimp
- omnisend
- Privy
Supported Languages
English
ViralSweep Giveaways Contests
- Customer accounts
- Aweber
- Drip
- Klaviyo
- Mailchimp
- Zapier
Supported Languages
English