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Shopify appwhat they say

Mighty PO Box Blocker

Mighty Shopify PO Box Blocker will stop customers from being able to input PO Boxes as shipping addresses which saves you time and money.

★★★★☆4.2 (4)
$9.85/moProfessional Plan
Shopify App Store ↗
what mrrlens sees
MRR · Estimated$41–276
Opportunity—
Buyer threads · 30 d0
“But it did not do what it says it will do which was to stop people from being able to enter a PO Box.”
#1 complaint · Missing Feature · 1 of 1 complaints read · analysed Oct 29, 2026 · source

01Revenue

$41–276

A month · the formula and every input are below

How this range is computed

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

  • reviews: 4
  • entry price: $10
  • 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 22 h ago. Listed since 2020.

02Why users leave Mighty PO Box Blocker

Missing Feature1 review · 1 of 1

Live test checkout with PO Box succeeded; app only added a warning/free shipping method, so it fails to block PO Boxes.

“But it did not do what it says it will do which was to stop people from being able to enter a PO Box.” source ↗

Sample: 1 recent complaint (1–3★ reviews) · clustered Oct 29, 2026 · complaints from Dec 2024–Dec 2024, almost all in the last 24 months · each review labelled by a model, quotes verbatim

03How to build a better Mighty PO Box Blocker

Build difficultyLowShopify app approval and checkout/address validation integration; no payments, regulation, hardware, or network effects.
Three build ideas that answer these complaintsIncluded in the day pass and Pro.
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04Who wants a better Mighty PO Box Blocker

0 buyer threads in the last 30 days name Mighty PO Box Blocker, and 2 more are in the same market.

05Questions about Mighty PO Box Blocker

How much revenue does Mighty PO Box Blocker make?

MRRLens estimates Mighty PO Box Blocker at $41–276 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 Mighty PO Box Blocker?

Across 1 recent complaints, the most common is missing feature (1 of 1). Live test checkout with PO Box succeeded; app only added a warning/free shipping method, so it fails to block PO Boxes.

See the full x-ray of Mighty PO Box Blocker

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