Fast2SMS vs Knotify
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Sep 29, 2026 for Fast2SMS, Oct 14, 2026 for Knotify.
The short answer
- Fast2SMS lists 7 features Knotify’s listing doesn’t mention, including Cart recovery, One-time password (OTP), Payment reminders.
Head to head
Free
Starter
- · 1,000 messages per month
- · 6 automatic notification types
- · Monthly Plan
Basic Credits
- · 500 message credits
- · Credits never expire
- · Top up anytime
Pro
- · 3,000 messages per month
- · 6 automatic notification types
- · Best for high volume
- · Monthly Plan
Scale Credits
- · 3,000 message credits
- · Best value per message
- · Credits never expire
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureSend automatic SMS & WhatsApp messages (automation) for every order event — order placed, payment received, fulfillment, out for delivery, delivered, refunds, COD orders and abandoned checkouts. OTP login available for stores using legacy customer accounts.
Knotify helps Korean Shopify merchants keep customers informed through KakaoTalk, Korea's most widely used messaging app. When a customer places an order, makes a payment, or receives a shipment, Knotify automatically sends a KakaoTalk notification with the relevant details. Setup takes minutes: connect your KakaoTalk business channel, select which events to notify, and you're done.
- 12 automated events: orders, delivery updates, refunds, COD & welcome messages
- Abandoned cart recovery — auto-cancelled when the customer completes checkout
- Fetch approved DLT SMS & WhatsApp templates for sending notification
- Automatic KakaoTalk notifications for orders, payments, shipping, and refunds
- Simple setup — connect your KakaoTalk business channel in minutes.
- Six notification types with pre-approved templates
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 |  Fast2SMS |  Knotify |
|---|---|---|
| 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 | Fast2SMS | Knotify |
|---|---|---|
| App Store rating | 5.0 ★ | Not published |
| App Store reviews | 1 | 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
Fast2SMS and Knotify: common questions
- What features does each app list that the other doesn’t?
- Fast2SMS lists 7 the others don’t mention, such as Cart recovery, One-time password (OTP), Payment reminders, Product recommendations. Knotify lists 1 the others don’t mention, such as Templates. 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 Sep 29, 2026 for Fast2SMS, Oct 14, 2026 for Knotify; 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 Sep 29, 2026 for Fast2SMS, Oct 14, 2026 for Knotify. 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.