Built exclusively for
Sell more with ZyncLabs
Five Shopify apps built by merchants who have run 8-figure stores. Chat, bundles, restock alerts, redirects and store protection — every one with a free plan.
- 5.0 (23 reviews)
- Free plan on every app
- No commission on your sales

FAST Whatsapp
Turn chats into checkouts with a bubble button.
Five apps, each solving one thing properly
Every one has a free plan, and every one is built to keep your storefront fast.

FAST Whatsapp
Turn chats into checkouts with a bubble button.
- Smart prefilled messages
- Business hours
- On-brand styling

FAST Bundles
Boost average order value with bundles, BOGO and volume discounts.

FAST Alerts
Recover lost sales with back-in-stock and price-drop emails.

FAST Redirect
Fix broken links and 301 redirects to protect your SEO.

FAST Shield
Age verification, country and IP blocking, and content protection.
- Free plan on every app
- No commission on your sales
- Humans answer support
- Built by merchants, for merchants
- No storefront slowdown
- Install in minutes
Why merchants stay with us
Built by merchants
We have operated multiple 8-figure stores. Every app started as something we needed ourselves and could not find.
Humans answer support
No bots, no ticket deflection. You get a person who understands Shopify and can read your theme.
Fast by default
Storefront apps that add weight cost you conversions. Ours are built to stay out of the critical path.
What merchants say
Reviews from the Shopify App Store, quoted verbatim.
“easy, fast and very comfortable!”
“GOOD”
“GOOD”
“The Mix & Match feature seamlessly integrates with my Shopify. This is the bundle sale implementation that I have been looking for. The support behind this app are so responsive and helpful. They even provided a loom video to help me understand how I can implement the feature on my store. I have already recommended this to other ecomm business owner.”
Common questions
Are ZyncLabs apps free?
Three of the five are completely free: FAST Whatsapp, FAST Redirect and FAST Shield. FAST Bundles and FAST Alerts have free plans with paid tiers if you outgrow them.
Will these apps slow down my store?
Storefront weight costs conversions, so our widgets load after your page content and stay off the critical rendering path. Nothing we ship blocks your images or your theme.
Who actually answers support?
We do. There is no bot and no ticket deflection — reviews on the App Store name the people who replied. Most questions get a same-day answer from someone who can read your theme.
Do the apps work with my theme?
Yes. Everything is built on Shopify's theme app extensions, so widgets install from the theme editor and inherit your styling instead of being injected into your theme code.
What happens to my data if I uninstall?
Uninstalling revokes our access immediately, and we delete store data within 30 days as required under Shopify's partner obligations and GDPR.
Can I use more than one ZyncLabs app at once?
Yes, and they are built to coexist. Running several of ours together is lighter than assembling the same functionality from several unrelated vendors.
Start with the one you need
Install free, and talk to a human if anything is unclear.
