ECS WhatsApp Chat vs Whats K: Whatsapp Chat Button
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Aug 29, 2026 for ECS WhatsApp Chat, Oct 13, 2026 for Whats K.
The short answer
- On the Shopify App Store: ECS WhatsApp Chat 5.0 from 1 reviews and Whats K 5.0 from 5 reviews.
- ECS WhatsApp Chat lists 3 features Whats K’s listing doesn’t mention, including Color and font, Emojis and stickers, Welcome messages.
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
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureAdd a customizable WhatsApp button to your store and let customers connect with you instantly. Easily manage your WhatsApp numbers, set prefilled messages to start conversations faster, and guide customers at the right moment. Customize the chat button’s position and icon to match your store design perfectly. ECS WhatsApp Chat Button helps you provide quick support, build trust, and turn conversations into conve
Improve 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.
- WhatsApp button WhatsApp Number Manage
- Prefilled messages
- Change position and icon
- 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
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 |  ECS WhatsApp Chat |  Whats K |
|---|---|---|
| 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 | ECS WhatsApp Chat | Whats K |
|---|---|---|
| App Store rating | 5.0 ★ | 5.0 ★ |
| App Store reviews | 1 | 5(ahead) |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | ECS WhatsApp Chat | Whats K |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | No monthly plan listed | $1/month |
| Longest free trial | Not listed | 7 days |
| Plans listed | Not published | 2 |
Listing
| Measure | ECS WhatsApp Chat | Whats K |
|---|---|---|
| Shopify category rank | #551 | #305(ahead) |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Feb 25, 2026 | Sep 3, 2024 |
| Languages | 1 | 1 |
| Developer | EcodeSoft Solutions | Kaktus |
FAQ
ECS WhatsApp Chat and Whats K: common questions
- Which has better reviews, ECS WhatsApp Chat or Whats K?
- On the Shopify App Store: ECS WhatsApp Chat 5.0 from 1 reviews and Whats K 5.0 from 5 reviews.
- What features does each app list that the other doesn’t?
- ECS WhatsApp Chat lists 3 the others don’t mention, such as Color and font, Emojis and stickers, Welcome messages. Whats K lists 2 the others don’t mention, such as SMS, Social media. 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 Aug 29, 2026 for ECS WhatsApp Chat, Oct 13, 2026 for Whats K; 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 Aug 29, 2026 for ECS WhatsApp Chat, Oct 13, 2026 for Whats K. 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.