Shopify appwhat they sayA1: back in stock
A1: back in stock | sms alerts
It’s a Back in stock notification app for your Shopify store. It helps you notify your clients via sms or email when a product is back in stock.
01Revenue
A month · the formula and every input are below
reviews × installs-per-review × paying share × entry price
- reviews: 62
- entry price: $9
- 7–20 active installs per published review (measured: median 12 on the 20 most-installed apps)
- 15%–35% of installs on a paid plan
A range from public signals and the listed price, not a claim about the company’s books. Methodology.
Store data from the Shopify App Store listing, refreshed daily. Updated 1 d ago. Listed since 2014.
02Why users leave A1: back in stock
Products can sell out before app sends emails, causing unhappy customers; update also caused 501/internal errors and app not loading.
“So products can sell out before app can send out the emails, leading to unhappy customers” source ↗
Sample: 3 recent complaints (1–3★ reviews) · clustered Oct 29, 2026 · complaints from Nov 2017–Jul 2018, none in the last 24 months — history, not today · each review labelled by a model, quotes verbatim
03How to build a better A1: back in stock
04Who wants a better A1: back in stock
0 buyer threads in the last 30 days name A1: back in stock.
05Questions about A1: back in stock
How much revenue does A1: back in stock make?
MRRLens estimates A1: back in stock at $586–4k a month (low confidence). The range comes from public signals (reviews × installs-per-review × paying share × entry price), not from the company's books; the formula and its inputs are shown on this page.
What do users complain about most in A1: back in stock?
Across 3 recent complaints, the most common is bugs/reliability (2 of 3). Products can sell out before app sends emails, causing unhappy customers; update also caused 501/internal errors and app not loading.
Full 1-star breakdown with verbatim quotes, the build blueprint and every live thread — on every product.