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modlet: Block PO Box & Lockers Shopify App: Reviews, Pricing & Alternatives

By modletCheckout - Other5.0 (2 reviews)Free plan
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Key signals for modlet

Shoplist has not found modlet: Block PO Box & Lockers on a storefront yet, so it tracks the app through its 2 public reviews, pricing, and listing changes instead. Storefront detections will appear here as soon as Shoplist finds them. Checked .

Sonar hasn’t found modlet: Block PO Box & Lockers on a storefront yet. Admin-only and server-side apps rarely leave a storefront trace.

5.0
Rating2 reviews
Free plan
PricingPaid from $7.99/month

Data checked How Shoplist knows

modlet on the Shopify App Store

Shoplist reads modlet’s App Store listing every day: where it ranks, what merchants say, what it charges and every edit it ships.

Where Shopify ranks modlet

Shoplist reads Shopify’s full category listings every day, so a climb or a slip shows up the day it happens.

Sep 3, 2026: #66 in Checkout - Other, #379 in CheckoutSep 4, 2026: #67 in Checkout - Other, #379 in CheckoutSep 5, 2026: #69 in Checkout - Other, #382 in CheckoutSep 6, 2026: #75 in Checkout - Other, #383 in CheckoutSep 7, 2026: #76 in Checkout - Other, #383 in CheckoutSep 8, 2026: #77 in Checkout - OtherSep 9, 2026: #77 in Checkout - Other, #384 in CheckoutSep 10, 2026: #77 in Checkout - Other, #387 in CheckoutSep 11, 2026: #77 in Checkout - Other, #384 in CheckoutSep 12, 2026: #78 in Checkout - Other, #382 in CheckoutSep 13, 2026: #83 in Checkout - Other, #384 in CheckoutSep 14, 2026: #85 in Checkout - Other, #357 in CheckoutSep 15, 2026: #86 in Checkout - Other, #355 in CheckoutSep 17, 2026: #68 in Checkout - Other, #359 in CheckoutSep 19, 2026: #70 in Checkout - Other, #356 in CheckoutSep 20, 2026: #70 in Checkout - Other, #355 in CheckoutSep 21, 2026: #70 in Checkout - Other, #357 in CheckoutSep 22, 2026: #70 in Checkout - Other, #355 in CheckoutSep 23, 2026: #69 in Checkout - Other, #352 in CheckoutSep 24, 2026: #79 in Checkout - Other, #353 in CheckoutSep 25, 2026: #81 in Checkout - Other, #350 in CheckoutSep 26, 2026: #79 in Checkout - Other, #346 in CheckoutSep 27, 2026: #80 in Checkout - Other, #340 in CheckoutSep 28, 2026: #81 in Checkout - Other, #340 in CheckoutSep 29, 2026: #82 in Checkout - Other, #340 in CheckoutSep 30, 2026: #70 in Checkout - Other, #337 in CheckoutOct 1, 2026: #71 in Checkout - Other, #338 in CheckoutOct 2, 2026: #68 in Checkout - Other, #340 in CheckoutOct 3, 2026: #68 in Checkout - Other, #338 in CheckoutOct 4, 2026: #74 in Checkout - Other, #338 in CheckoutOct 5, 2026: #74 in Checkout - Other, #340 in CheckoutOct 6, 2026: #74 in Checkout - Other, #338 in CheckoutOct 7, 2026: #78 in Checkout - Other, #337 in CheckoutOct 8, 2026: #77 in Checkout - Other, #335 in CheckoutOct 9, 2026: #81 in Checkout - Other, #336 in CheckoutOct 10, 2026: #86 in Checkout - Other, #335 in CheckoutOct 11, 2026: #85 in Checkout - Other, #336 in CheckoutOct 12, 2026: #86 in Checkout - Other, #330 in CheckoutOct 13, 2026: #87 in Checkout - Other, #330 in CheckoutOct 14, 2026: #74 in Checkout - Other, #331 in CheckoutOct 15, 2026: #75 in Checkout - Other, #328 in CheckoutOct 16, 2026: #72 in Checkout - Other, #329 in CheckoutOct 17, 2026: #72 in Checkout - Other, #320 in CheckoutOct 18, 2026: #72 in Checkout - Other, #321 in CheckoutOct 19, 2026: #65 in Checkout - Other, #323 in CheckoutOct 20, 2026: #68 in Checkout - Other, #320 in CheckoutOct 21, 2026: #71 in Checkout - Other, #318 in CheckoutOct 22, 2026: #69 in Checkout - OtherOct 23, 2026: #70 in Checkout - Other, #310 in CheckoutOct 24, 2026: #71 in Checkout - Other, #308 in CheckoutOct 25, 2026: #65 in Checkout - Other, #310 in CheckoutOct 31, 2026: #55 in Checkout - Other, #312 in CheckoutNov 1, 2026: #60 in Checkout - Other, #312 in CheckoutNov 2, 2026: #60 in Checkout - Other, #312 in CheckoutNov 4, 2026: #79 in Checkout - Other, #311 in CheckoutNov 5, 2026: #79 in Checkout - Other, #311 in CheckoutNov 6, 2026: #81 in Checkout - Other, #312 in CheckoutNov 7, 2026: #81 in Checkout - Other, #314 in CheckoutNov 8, 2026: #85 in Checkout - Other, #315 in CheckoutNov 9, 2026: #83 in Checkout - Other, #312 in Checkout
Checkout - Other#83 of 43117 places down since Sep 3, 2026Checkout#312 of 49467 places up since Sep 3, 2026
modlet: daily Shopify App Store category position
DayCheckout - OtherCheckout
Sep 3, 2026#66#379
Sep 4, 2026#67#379
Sep 5, 2026#69#382
Sep 6, 2026#75#383
Sep 7, 2026#76#383
Sep 8, 2026#77—
Sep 9, 2026#77#384
Sep 10, 2026#77#387
Sep 11, 2026#77#384
Sep 12, 2026#78#382
Sep 13, 2026#83#384
Sep 14, 2026#85#357
Sep 15, 2026#86#355
Sep 17, 2026#68#359
Sep 19, 2026#70#356
Sep 20, 2026#70#355
Sep 21, 2026#70#357
Sep 22, 2026#70#355
Sep 23, 2026#69#352
Sep 24, 2026#79#353
Sep 25, 2026#81#350
Sep 26, 2026#79#346
Sep 27, 2026#80#340
Sep 28, 2026#81#340
Sep 29, 2026#82#340
Sep 30, 2026#70#337
Oct 1, 2026#71#338
Oct 2, 2026#68#340
Oct 3, 2026#68#338
Oct 4, 2026#74#338
Oct 5, 2026#74#340
Oct 6, 2026#74#338
Oct 7, 2026#78#337
Oct 8, 2026#77#335
Oct 9, 2026#81#336
Oct 10, 2026#86#335
Oct 11, 2026#85#336
Oct 12, 2026#86#330
Oct 13, 2026#87#330
Oct 14, 2026#74#331
Oct 15, 2026#75#328
Oct 16, 2026#72#329
Oct 17, 2026#72#320
Oct 18, 2026#72#321
Oct 19, 2026#65#323
Oct 20, 2026#68#320
Oct 21, 2026#71#318
Oct 22, 2026#69—
Oct 23, 2026#70#310
Oct 24, 2026#71#308
Oct 25, 2026#65#310
Oct 31, 2026#55#312
Nov 1, 2026#60#312
Nov 2, 2026#60#312
Nov 4, 2026#79#311
Nov 5, 2026#79#311
Nov 6, 2026#81#312
Nov 7, 2026#81#314
Nov 8, 2026#85#315
Nov 9, 2026#83#312

What merchants say about modlet

The verdict from its App Store reviews, and whether the merchants who leave them stay.

5.0

2 reviews · latest Oct 30, 2026

Star breakdown of 2 collected public ratings

  1. 5 ★100%
  2. 4 ★0.0%
  3. 3 ★0.0%
  4. 2 ★0.0%
  5. 1 ★0.0%

modlet review momentum

New reviews follow new installs, so a rising month is modlet winning merchants in public.

  1. May 2026: 1 reviews
  2. October 2026: 1 reviews
Reviews added to the listing each month; the lighter bar is the month in progress.

What modlet charges

Free plan available. Every plan on its listing, and every price change Shoplist has caught, so you can see exactly how it packages and prices.

  1. Free

    Free

    • Address Simulator & Testing Tool
    • Block PO Boxes globally (Instant setup)
    • Native & Secure Checkout Validation
    • Up to 250 Store Orders per Month

  2. Pro

    $7.99/month

    14-day free trial

    • Country & Region Whitelisting
    • Custom Error Messages & Translations
    • Granular Pattern Rules
    • Product Exemptions
    • Shipping Method Filtering

  3. Enterprise

    $99.99/month

    30-day free trial

    • 1-on-1 Workflow & Strategy Configuration
    • Dedicated Technical Account Manager
    • Guaranteed Custom SLA & Compliance Help
    • On-Demand Custom Data Exports & Reports
    • Priority Custom Feature Development

Recent price changes

  1. Aug 23, 2026

    • Pricing

      Price changed +1 more

      Price changed

      $10.99$7.99/month-27%

      Yearly pricing updated

      or $99.99/year and save 24%or $79.99/year and save 17%

Every edit modlet ships to its listing

Titles, prices, screenshots and featured spots, diffed line by line. A competitor’s listing edits are its strategy, in public.

  1. Jul 23, 2026

    • Integrations

      Integrations updated

      Integrations updated

      Shopify Admin

  2. Jul 6, 2026

    • Integrations

      Integrations updated

      Integrations updated

      Shopify Admin

  3. Jul 4, 2026

    • Integrations

      Integrations updated

      Integrations updated

      Shopify Admin

  4. Jun 17, 2026

    • Integrations

      Integrations updated

      Integrations updated

      Shopify Admin

  5. Jun 15, 2026

    • Integrations

      Integrations updated

      Integrations updated

      Shopify Admin

Follow modlet

Its price moves, rewritten copy, new screenshots and the stores that install or drop it, in one email a week. Free, no account.

How modlet sells itself on the App Store

The pitch, integrations and features merchants see before they install: the positioning a competitor is betting on.

“Stop paying expensive carrier return fees for undeliverable addresses.”

What it does

Protect your shipping margins with reliable, global PO Box blocking. Built natively into Shopify Checkout, it physically blocks checkout completion for restricted addresses—ensuring 100% reliability. Why offer a generous free tier? Built by a veteran cloud… Read the full description

Screenshots

  • Screenshot of custom rule toggles
  • Screenshot example of translations of error messages
  • Screenshot of address tester in admin-ui
  • Screenshot of checkout with error message displayed under PO Box
  • Comparison of technical solutions

modlet listing facts

Developer
modlet
Launched
March 9, 2026
Shopify rank
#83 in Checkout - Other#312 in Checkout
Languages
English
View on the Shopify App Store

Is this your app? Claim it free to see who is installing and leaving it.

Shopify stores using modlet

Shoplist is watching Shopify storefronts for the first public install of modlet.

How modlet’s install base is moving

Shoplist re-crawls the same storefronts, so every store that adds modlet, comes back to it or removes it shows up here. The store count also grows when Shoplist finds stores already running it; the breakdown keeps those apart from real installs.

Stores, last 28 days

0

0 now · 0 28 days earlier

Reach

0%

of the stores Shoplist tracks

Big-brand share

Not enough data: fewer than 150 of its stores have a known size

Where modlet’s store count change came from

Real installs and removalsEstimated0 added · 0 came back · 0 removed
0

Stores adding and removing modlet, by week

Week of Aug 31, 2026 · 0 added or came back · 0 removed · net 0 · estimatedWeek of Sep 7, 2026 · 0 added or came back · 0 removed · net 0 · estimatedWeek of Sep 14, 2026 · 0 added or came back · 0 removed · net 0 · estimatedWeek of Sep 21, 2026 · 0 added or came back · 0 removed · net 0 · estimatedWeek of Sep 28, 2026 · 0 added or came back · 0 removed · net 0 · estimatedWeek of Oct 5, 2026 · 0 added or came back · 0 removed · net 0 · estimatedWeek of Oct 12, 2026 · 0 added or came back · 0 removed · net 0 · estimatedWeek of Oct 19, 2026 · 0 added or came back · 0 removed · net 0 · estimatedWeek of Oct 26, 2026 · 0 added or came back · 0 removed · net 0 · estimatedWeek of Nov 2, 2026 · 0 added or came back · 0 removed · net 0 · 2 held-out days
Stores that added it or came backStores that removed itEstimated weeks
Week ofAdded or backRemovedNetNotes
Aug 31, 2026000Estimated
Sep 7, 2026000Estimated
Sep 14, 2026000Estimated
Sep 21, 2026000Estimated
Sep 28, 2026000Estimated
Oct 5, 2026000Estimated
Oct 12, 2026000Estimated
Oct 19, 2026000Estimated
Oct 26, 2026000Estimated
Nov 2, 20260002 held-out days

Compare modlet

The apps in its App Store category, with the stores Shoplist detects on each and their listing ratings.

Alternatives to modlet

Apps merchants weigh against modlet: Block PO Box & Lockers, with their own detected stores and ratings.

Track these competitors

Follow the apps you compete with and decide which changes deserve action. See the competitor-monitoring workflow.

Seen on the storefront, not guessed

If Shoplist shows modlet on a store, it’s there. Every count on this page traces to code found on a live storefront, re-checked on every crawl.

  1. Code-level

    detection on every store

    Found in the storefront’s own code

    Shoplist matches the scripts, app blocks and pixels modlet loads on each live storefront. No surveys, no developer-reported numbers, no model guessing installs from review counts.

  2. last checked

    Re-checked, so the count stays current

    Shoplist keeps crawling the same storefronts. A store that uninstalls modlet leaves the count on the next crawl, so you read today’s install base, not a high-water mark.

  3. Daily

    App Store listing reads

    The App Store, read every day

    Rank, reviews, pricing and every listing edit are captured daily, so a price change or a ranking slip shows up here the day it ships.

Two public sources, labelled on every section. Store data last checked .

Read the full methodology

Questions about modlet

Straight answers from the same data as the rest of this page. The full store list answers the rest.

Track this app

Why might Shoplist not show detected stores for modlet: Block PO Box & Lockers?

Some Shopify apps are admin-only, server-side, theme-independent, or otherwise difficult to detect from public storefront signals.

Does no public detection mean modlet: Block PO Box & Lockers has no users?

No. It only means Shoplist has not found reliable public storefront evidence for modlet: Block PO Box & Lockers. reviews, pricing, listing changes, and developer data can still be useful signals.

Can I monitor future public detections?

Yes. Shoplist can monitor modlet: Block PO Box & Lockers for future public storefront detections and listing movement.

Keep watching modlet.

Get alerted on first storefront installs, review spikes, pricing changes, and listing edits.

Track this appSee pricingFree plan available.