mrrlens
Sign in
Shopify appwhat they say

Wapsi

Wapsi: WhatsApp Restock Alerts

Add a "Notify me on WhatsApp" button to sold-out product pages. Wapsi messages each waiting shopper the moment stock is back so they can buy again.

★★★★★4.7 (3)
$9/moPro
Website ↗ Shopify App Store ↗
what mrrlens sees
MRR · Estimated$28–189
Opportunity—
Buyer threads · 30 d0
No complaints read yet.
The reviews crawler visits every product weekly.

01Revenue

$28–189

A month · the formula and every input are below

How this range is computed

reviews × installs-per-review × paying share × entry price

  • reviews: 3
  • 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 16 h ago. Listed since 2026.

02Why users leave Wapsi

Negative reviews for Wapsi have not been read yet. The crawler visits every listing weekly.

03How to build a better Wapsi

The blueprint is written from the complaint clusters, so it appears once negative reviews have been read.

04Who wants a better Wapsi

0 buyer threads in the last 30 days name Wapsi.

05Questions about Wapsi

How much revenue does Wapsi make?

MRRLens estimates Wapsi at $28–189 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 are the best Wapsi alternatives?

The closest alternatives MRRLens found are Back In Stock ‑ Notify Hero, Essential ‑ Back In Stock Pro and A1: back in stock. The full list, with why users leave, is on the Wapsi alternatives page.

See the full x-ray of Wapsi

Full 1-star breakdown with verbatim quotes, the build blueprint and every live thread — on every product.