Whats K: Whatsapp Chat Button vs AR: WhatsApp API Automation
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 13, 2026 for Whats K, Nov 4, 2026 for AR.
The short answer
- Only AR lists a free plan. Paid plans start at $1/month for Whats K and $4.99/month for AR.
- AR lists 6 features Whats K’s listing doesn’t mention, including Cart recovery, COD verification, Order updates.
Head to head
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Free
- · 15+ Chat Channels
- · Analytics & Click Tracking
- · Custom Button Design
- · Fully Mobile Optimized
- · Knowledgeable Support
- · No-Code Setup
Growth
- · 15+ Chat Channels
- · Analytics & Click Tracking
- · Custom Button Design
- · Fully Mobile Optimized
- · Knowledgeable Support
- · No-Code Setup
Free
- · 50 automation sends per month
- · Automated fulfillment updates
- · Automated order confirmations
- · Cart page WhatsApp button
- · Floating WhatsApp widget
- · Full widget customization
Starter
- · 3 automations: confirmation, fulfillment
- · 500 WhatsApp messages per month
- · All 4 storefront widgets included
- · Analytics dashboard included
- · Full widget color & branding control
- · Order confirm/cancel buttons for custome
Growth
- · 2,500 WhatsApp messages per month
- · All 4 storefront widgets included
- · All 6 automations unlocked
- · Analytics dashboard included
- · Back-in-stock & review request alerts
- · Full widget color & branding control
Pro
- · 5,000 WhatsApp messages per month
- · All 4 storefront widgets included
- · All 6 automations unlocked
- · Custom message templates
- · Full widget color & branding control
- · Image & media message Templates
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureImprove customer interaction with the WhatsApp Button app! Seamlessly add a WhatsApp chat button or WhatsApp chat widget to your store for easy customer communication. Enable instant support with WhatsApp business chat connect, allowing customers to reach you directly via Whats App. Customize the WhatsApp buttons to match your store’s design and provide real-time assistance.
Many customers prefer WhatsApp over email or phone for order updates. This app connects your WhatsApp Business account to your store so you can communicate with customers directly. It adds a WhatsApp button to your storefront so shoppers can start a chat instantly.
- Let visitors reach you via WhatsApp, Facebook Messenger, Instagram and more.
- Сustomize the chat button and adjust its position to fit your store.
- Responsive chat widget that works seamlessly on all devices.
- Easy to install and configure, with no coding required
- WhatsApp button on storefront and product pages
- Automated WhatsApp order confirmations
- Automated shipping and delivery updates
- Abandoned cart recovery via WhatsApp
All the numbers
Every figure, side by side
A green dot marks the app ahead on a measured figure. Estimates, gaps and apps that leave no storefront trace never take the lead.
Adoption
| Measure |  Whats K |  AR |
|---|---|---|
| Detected stores | Not published | Not published |
| Net store change, 28 days | 0 | 0 |
| Stores added, 28 days | Not enough data | Not enough data |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Not published | Not published |
| Top store countries | Not published | Not published |
Reviews
| Measure | Whats K | AR |
|---|---|---|
| App Store rating | 5.0 ★ | Not published |
| App Store reviews | 5 | Not published |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
FAQ
Whats K and AR: common questions
- Is Whats K or AR cheaper?
- Only AR lists a free plan. Paid plans start at $1/month for Whats K and $4.99/month for AR. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- What features does each app list that the other doesn’t?
- Whats K lists 2 the others don’t mention, such as SMS, Social media. AR lists 6 the others don’t mention, such as Cart recovery, COD verification, Order updates, Product recommendations. A feature missing from a listing may still be supported; this compares what each App Store listing says.
- Where does this comparison’s data come from?
- Shoplist crawls Shopify storefronts to detect which apps each store runs, and reads each app’s Shopify App Store listing for reviews, pricing, features and integrations. Store counts are as of Oct 13, 2026 for Whats K, Nov 4, 2026 for AR; estimated figures are labeled.
How Shoplist compares apps
Store counts come from Shoplist’s crawl of Shopify storefronts, which detects the apps each store runs; they are as of Oct 13, 2026 for Whats K, Nov 4, 2026 for AR. Reviews, ratings, plans, features and integrations come from each app’s Shopify App Store listing. 28-day figures are labeled when estimated, and a figure that is missing or estimated never decides who leads. Read the methodology.