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Shopify appwhat they say

PO Box Blocker by Rondeletia

Block PO boxes and unwanted address patterns at checkout. Restrict and prevent high‑risk orders to reduce shipping issues.

★★★★★4.5 (13)
$3.99/moStarter$9.99/moPro
what mrrlens sees
MRR · Estimated$54–363
Opportunity—
Buyer threads · 30 d0
“Did not work with pob abbreviation which is an accepted way of writing a PO Box address”
#1 complaint · Missing Feature · 1 of 2 complaints read · analysed Nov 2, 2026 · source

01Revenue

$54–363

A month · the formula and every input are below

How this range is computed

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

  • reviews: 13
  • entry price: $4
  • 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 2 d ago. Listed since 2024.

02Why users leave PO Box Blocker by Rondeletia

Missing Feature1 review · 1 of 2

App missed the accepted "POB" abbreviation, so PO Box addresses using it bypassed checkout blocking.

“Did not work with pob abbreviation which is an accepted way of writing a PO Box address” source ↗
1 more complaint, with verbatim quotesIncluded in the day pass and Pro.
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Sample: 2 recent complaints (1–3★ reviews) · clustered Nov 2, 2026 · complaints from Oct 2024–Oct 2025, 50% in the last 24 months · each review labelled by a model, quotes verbatim

03How to build a better PO Box Blocker by Rondeletia

Build difficultyLowSimple address-pattern matching and Shopify theme 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 PO Box Blocker by Rondeletia

0 buyer threads in the last 30 days name PO Box Blocker by Rondeletia, and 1 more is in the same market.

05Questions about PO Box Blocker by Rondeletia

How much revenue does PO Box Blocker by Rondeletia make?

MRRLens estimates PO Box Blocker by Rondeletia at $54–363 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 PO Box Blocker by Rondeletia?

Across 2 recent complaints, the most common is missing feature (1 of 2). App missed the accepted "POB" abbreviation, so PO Box addresses using it bypassed checkout blocking.

See the full x-ray of PO Box Blocker by Rondeletia

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