Best Appifyfor Shopify merchantsBest Appifyfor Shopify merchants
Turn out-of-stock moments into waitlists. Auto-send restock alerts via email, SMS & push. Preorders, wishlists & demand insights. Trusted since 2011.
Free plan available, paid plans from $19/month. Prices are the published USD list prices on the Shopify App Store and exclude usage charges.
| Plan | Price |
|---|---|
| Free | Free |
| Starter | $19/month |
| Growth | $49/month |
| Pro | $99/month |
The ladder spans 5× from the cheapest paid plan to the most expensive, so the price you start on is unlikely to be the price you stay on — check which limit moves you up a tier.
97% of ratings are 4 or 5 stars, and 21 merchants have left a 1-star review.
Across the 100 most recent reviews, the merchants writing them were mostly in United States, Australia, United Kingdom. 65% had been running the app for a year or more before reviewing it. The developer replied to 10% of them.
At $19/mo to start, Amp Back in Stock & Preorder + is priced above the category — the median entry price across 8 apps in this category is $9/mo.
Aggregated from 89 reviews with written feedback — we analyse the sentiment behind the ratings, we don't reprint reviews.
From our daily App Store rank tracking and review history — signals a static listing doesn't show.
Measured against the 16 reviewed apps in Pre-orders, where it currently sits at #8 of 17 listings.
| Amp Back in Stock & Preorder + | Pre-orders median | |
|---|---|---|
| Rating | 4.9 | 4.95 |
| Reviews | 841 | 661 |
Review volume is around the middle of the category, so read the rating as a real but not decisive signal.
The most-reviewed apps in Pre-orders, with their current rating and entry price.
| App | Rating | Reviews | Price from | Compare |
|---|---|---|---|---|
| Back In Stock,Notify Me: Kbite | 5 | 4,157 | $5/mo | compare |
| Notify Me! Back in Stock Alert | 4.9 | 3,904 | $9.90/mo | compare |
| Preorder, Back In Stock ‑ STOQ | 5 | 3,542 | $10/mo | compare |
| Preorder Now Presale Timesact | 5 | 2,072 | $5/mo | compare |
| PreOrder Globo | Back in Stock | 4.9 | 1,848 | $9.90/mo | compare |
| Preorder, Back In Stock REZ | 5 | 1,445 | $4.99/mo | compare |
| Essent Preorder Back in Stock | 5 | 1,212 | $5/mo | compare |
| Preorder, Back in stock Duck | 5 | 480 | $9/mo | compare |
Built by HEL SG PTE LTD.
Amp Back in Stock & Preorder + has a free plan, and paid plans start at $19 per month. The free tier is normally capped on volume, so check the limit against what your store does today.
Amp Back in Stock & Preorder + publishes 4 plans: Free (free), Starter at $19/month, Growth at $49/month, Pro at $99/month. These are list prices from the Shopify App Store and exclude any usage-based charges.
Amp Back in Stock & Preorder + holds 4.9 out of 5 from 841 merchant reviews, with 97% of them at 4 or 5 stars. That is enough volume for the rating to mean something; roughly 14% of apps on the store reach 100 reviews.
The most-reviewed alternatives in Pre-orders are Back In Stock,Notify Me: Kbite, Notify Me! Back in Stock Alert and Preorder, Back In Stock ‑ STOQ. The comparison table above shows each one's rating, review count and entry price.
Is this your app?
You can buy a clearly labelled sponsored placement next to this data. We never reorder the rankings for money, so what you buy is an extra labelled slot, not a better position.
See how it worksRun a free audit of your store to see what you already have installed, which apps overlap, and where you are paying twice.
Run a free store audit