Features, use cases, pros and cons, and pricing side by side — and which one to pick.
Quick verdict: Pick Notify Me if you run a Shopify or BigCommerce store losing sales to stockouts; pick Subbly if subscriptions are your whole business and you want one platform for site, checkout, and billing.
Best for: Shopify stores with frequent stockouts or limited product drops, Merchants who want to collect emails from shoppers hitting sold-out pages
Read the full Notify Me reviewBest for: Subscription box startups and established box brands, Meal kit and prepared-meal delivery services
Read the full Subbly reviewCommission may apply at no extra cost
Compare key features side by side
Feature Comparison Summary
Notify Me! turns sold-out pages into waitlists, pre-orders, and wishlists, then feeds demand signals into Klaviyo, Mailchimp, Omnisend, and PushOwl. Its 4.9/5 rating across 3,400-plus reviews shows real recovery power, but it's locked to Shopify and BigCommerce and SMS costs vary by country. Overall, it's a strong pick for stores losing sales to stockouts.
Subbly bundles your website, checkout, billing, and subscriber management into one subscription-first platform, with a churn suite, dynamic bundles, and free migration built in. The trade-offs are real: pricing isn't shown upfront, trial offers are advertised inconsistently, and monthly plans carry a 30-day commitment. Overall, it's a strong shortlist pick if subscriptions are your whole business.
Notify Me! is a Shopify and BigCommerce app that turns out-of-stock moments into revenue. It replaces "Sold out" buttons with waitlist signups, preorder options, and wishlists, then feeds those signals into your email and marketing tools. It's built for e-commerce merchants who want to capture demand on products they can't currently ship—from small brands to the 35,000+ stores already using it.
Subbly is a subscription-first commerce platform: one system for your website, checkout, billing, and subscriber management. It targets recurring-revenue businesses such as subscription boxes, meal delivery, memberships, D2C replenishment, and CSA farms. The company reports 20,000+ users, 11+ years in market, and a 4.8/5 rating from 200+ Capterra reviews. Migration paths are advertised from Shopify, WooCommerce, Recharge, Cratejoy, and others.
List prices from each vendor's pricing page, before taxes and add-ons. Costs are per month.
| Pricing compared | Notify Me | Subbly |
|---|---|---|
| From (cheapest paid plan) | $19.90/mo Starter | $69/mo Subbly |
| Free plan | Yes Lifetime caps: 100 back-in-stock requests, 5 SMS, 5 WhatsApp messages, 5 pre-orders, 50 wishlist actions; 10 notifications/month | No |
| Free trial | Not stated | Not stated |
| Money-back guarantee | 30 days | Not stated |
| Annual billing savings | Up to 20% | Up to 25% |
| Pricing model | Flat price | Flat price |
| Cost for 1 user | FreeCheaper Free plan, billed annually | $51.75/mo Subbly plan, billed annually |
| Cost for 5 users | $15.92/mo Starter plan, billed annually · price per account (user limit not stated) | $51.75/mo Subbly plan, billed annually · price per account (user limit not stated) |
| Cost for 10 users | $15.92/mo Starter plan, billed annually · price per account (user limit not stated) | $51.75/mo Subbly plan, billed annually · price per account (user limit not stated) |
| Cost for 25 users | $15.92/mo Starter plan, billed annually · price per account (user limit not stated) | $51.75/mo Subbly plan, billed annually · price per account (user limit not stated) |
| Plans | 6 | 3 |
| Prices checked | Vendor page checked Oct 13, 2026 | Checked Oct 13, 2026 |
| Price history | Tracking prices since Sep 9, 2026. No price change detected yet. | Tracking prices since Oct 1, 2026. No price change detected yet. |
For 1 user (billed annually), Notify Me costs $0/mo vs Subbly at $51.75/mo.
Computed from published list prices on the dates shown. Excludes taxes, add-ons and promotions.
Not exactly. Notify Me recovers sold-out sales on Shopify and BigCommerce. Subbly is a full platform for running subscription businesses. Choose based on whether you need stockout recovery or recurring-revenue infrastructure.
Notify Me lists Klaviyo, Mailchimp, Omnisend, and PushOwl, plus a REST API and MCP server. Subbly exposes APIs and SDKs but advises verifying each third-party integration before you commit.