Spark Tools for Inbox vs SK: WhatsApp Chat Button
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 Spark Tools for Inbox, Nov 3, 2026 for SK.
The short answer
- On the Shopify App Store: Spark Tools for Inbox 5.0 from 3 reviews and SK 4.8 from 141 reviews.
- Only SK lists a free plan. Paid plans start at $5/month for Spark Tools for Inbox and $29/month for SK.
- Spark Tools for Inbox lists 9 features SK’s listing doesn’t mention, including Business hours, Chat buttons, Chat window.
Head to head
- India
- Mexico
- Italy
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Standard
- · Customize chat display when offline
- · Display proactive chat message
- · Everything in Basic plan
- · Expansive customization of chat styling
- · Many more visual and behavioral tweaks
- · Show chat based on visitor's country
Plus
- · Custom proactive chat messages per page
- · Everything in Basic and Standard plans
Free
- · 2 AI conversations
- · Auto-open triggers
- · Chat popup, welcome message
- · Device visibility (mobile / desktop)
- · GDPR consent before opening WhatsApp
- · Meta Pixel event tracking
Starter
- · $0.15 per extra conversation
- · +30 free buffer conversations/mo
- · 300 AI conversations/mo included
- · Conversation cost analytics (Meta data)
- · Extra usage pay-per-conversation overage
- · Meta account connect + message templates
Growth
- · $0.12 per extra conversation
- · +100 free buffer conversations/mo
- · 1,000 AI conversations/mo included
Scale
- · $0.10 per extra conversation
- · +300 free buffer conversations/mo
- · 3,000 AI conversations/mo included
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureSpark Tools allows you to apply new settings and behaviors to your existing install of the Shopify Inbox chat app. You can customize the button appearance to match your site or brand by specifying a totally custom SVG icon, a custom label, and even font. Change the button sizing and position, show or hide the chat in certain regions, add a proactive chat message to drive engagement, set offline hours, and more!
WhatsApp Chat Button and Widget helps merchants add a WhatsApp chat button to their Shopify store so customers can reach them instantly from any page. Set up takes under two minutes with no coding required. Merchants can configure the button style, colours, position, and a pre-filled message for customers.
- Customize the icon, text, and font for your chat button.
- Show a proactive chat message to idle visitors to drive engagement.
- Define hours of operation to display an offline chat button or hide it entirely.
- Define a list of regions in which to show or hide your chat.
- Add WhatsApp chat button to your online store.
- Fully customizable button with colors, image, placement and design.
- Customer can reach out to you via this WhatsApp chat button.
- 3 different layout design for Whatsapp chat button.
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 |  Spark Tools for Inbox |  SK |
|---|---|---|
| Detected stores | Not published | 754 |
| Net store change, 28 days | 0 | −6 |
| Stores added, 28 days | Not enough data | 22 |
| Big-brand share | Not enough data | 10% |
| Top store categories | Not published | Apparel & Accessories, Health & Beauty, Home & Garden |
| Top store countries | Not published | India, Mexico, Italy |
Reviews
| Measure | Spark Tools for Inbox | SK |
|---|---|---|
| App Store rating | 5.0 ★(ahead) | 4.8 ★ |
| App Store reviews | 3 | 141(ahead) |
| New reviews, 28 days | Not enough data | 3 |
| Reviewers a year or more in | Not enough data | 0% |
Pricing
| Measure | Spark Tools for Inbox | SK |
|---|---|---|
| Free plan | Not listed | Yes |
| Lowest paid monthly plan | $5/month(ahead) | $29/month |
| Longest free trial | 14 days | Not listed |
| Plans listed | 2 | 4 |
Listing
| Measure | Spark Tools for Inbox | SK |
|---|---|---|
| Shopify category rank | #270 | #20(ahead) |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | Yes |
| Launched | Dec 26, 2024 | May 24, 2024 |
| Languages | 1 | 1 |
| Developer | NovoSpark Software | Squadkin Technologies Pvt Ltd |
FAQ
Spark Tools for Inbox and SK: common questions
- Is Spark Tools for Inbox or SK cheaper?
- Only SK lists a free plan. Paid plans start at $5/month for Spark Tools for Inbox and $29/month for SK. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- Which has better reviews, Spark Tools for Inbox or SK?
- On the Shopify App Store: Spark Tools for Inbox 5.0 from 3 reviews and SK 4.8 from 141 reviews.
- What features does each app list that the other doesn’t?
- Spark Tools for Inbox lists 9 the others don’t mention, such as Business hours, Chat buttons, Chat window, Color and font. 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 Spark Tools for Inbox, Nov 3, 2026 for SK; 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 Spark Tools for Inbox, Nov 3, 2026 for SK. 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.