RtsFlow ‑ Request to Supplier vs Smart Order Emails
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 RtsFlow, Oct 14, 2026 for Smart Order Emails.
The short answer
- Only RtsFlow lists a free plan. Paid plans start at $9.99/month for RtsFlow and $19/month for Smart Order Emails.
- Smart Order Emails lists 10 features RtsFlow’s listing doesn’t mention, including Attachments, Conditional logic, Customer notifications.
Head to head
Send custom rule driven emails based any order characteristics
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Basic
- · 10 RTS/mo
- · 2 Vendors
- · 24/7 merchant support
Starter
- · 10 Vendors
- · 200 RTS/mo
- · 24/7 merchant support
Growth
- · 1000 RTS/mo
- · 50 Vendors
- · Priority 24/7 merchant support
Starter
- · 2,500 emails per month
- · Email notifications only
- · Immediate notifications only
- · Standard Support
Standard
- · 5,000 emails per month
- · CSV email attachments
- · Email & webhook notifications
- · Immediate+scheduled batch notifications
- · Standard support
Professional
- · 15,000 emails per month
- · All Standard plan features
- · Delayed notifications
- · PDF attachments
- · Premium Support
- · Send email from your email address
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureAutomate your supplier communication with RtsFlow. Manually sending "Request to Supplier" (RTS) emails is slow and error-prone. Our app allows you to trigger professional, automated requests directly from any Shopify order page with one click. Efficiently manage your supply chain with a unified dashboard that tracks vendor counts and request volumes.
Smart Order Emails is built for merchants who require control over their order notifications. Reduce the overhead of manually filtering and passing orders to suppliers, vendors, staff, and customers with our easy to use rule creator. Benefit from advanced line item filtering, customisable email templates, batch notification sending, delayed notifications as well as fully customisable PDF and CSV attachments.
- Trigger professional "Request to Supplier" emails directly from any order page.
- Instantly format and send RTS details to vendors without leaving your admin.
- Track vendor counts and request volumes via a centralized dashboard.
- Trigger custom order notification emails & webhooks based on rules you define.
- Create rules based on SKU, vendor, tag or any other attribute of an order.
- Send via email and attach CSVs or PDFs with fully customizable templates.
- Filter which line items appear in the notification using filter rules.
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 |  RtsFlow |  Smart Order Emails |
|---|---|---|
| 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 | RtsFlow | Smart Order Emails |
|---|---|---|
| App Store rating | Not published | 5.0 ★ |
| App Store reviews | Not published | 17 |
| New reviews, 28 days | Not enough data | 0 |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | RtsFlow | Smart Order Emails |
|---|---|---|
| Free plan | Yes | Not listed |
| Lowest paid monthly plan | $9.99/month(ahead) | $19/month |
| Longest free trial | Not listed | 7 days |
| Plans listed | 3 | 3 |
Listing
| Measure | RtsFlow | Smart Order Emails |
|---|---|---|
| Shopify category rank | #93 | #236 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Jan 5, 2026 | Oct 28, 2016 |
| Languages | 1 | 1 |
| Developer | Kaslico | Smart Notifications Ltd. |
FAQ
RtsFlow and Smart Order Emails: common questions
- Is RtsFlow or Smart Order Emails cheaper?
- Only RtsFlow lists a free plan. Paid plans start at $9.99/month for RtsFlow and $19/month for Smart Order Emails. 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?
- RtsFlow lists 9 the others don’t mention, such as Custom workflows, Multi-channel, Order cancellations, Order status. Smart Order Emails lists 10 the others don’t mention, such as Attachments, Conditional logic, Customer notifications, Customer tags. 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 RtsFlow, Oct 14, 2026 for Smart Order Emails; 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 RtsFlow, Oct 14, 2026 for Smart Order Emails. 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.