PackOS Checkout vs Shipping Rate Power Toy
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 13, 2026.
The short answer
- On the Shopify App Store: PackOS Checkout 5.0 from 1 reviews and Shipping Rate Power Toy 5.0 from 31 reviews.
- Only Shipping Rate Power Toy lists a free plan. Paid plans start at $50/month for PackOS Checkout and $4.99/month for Shipping Rate Power Toy.
- Shipping Rate Power Toy lists 6 features PackOS Checkout’s listing doesn’t mention, including Customer-based, Distance-based, Hide rates.
Head to head
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Starter
- · 1,000 checkout rate calculations/mo
- · 90-day margin history
- · Box size library
- · Email support
- · Label purchasing
- · Real-time rates at checkout
Basic
- · 3,000 checkout rate calculations/mo
- · 6-month margin history
- · CSV import
- · Everything in Starter
Growth
- · 12-month margin history
- · 8,000 checkout rate calculations/mo
- · Automation rules
- · Everything in Basic
- · Priority email support
Pro
- · 20,000 checkout rate calculations/mo
- · Advanced automation rules
- · Everything in Growth
- · Multiple ship-from locations
- · Priority chat support
Free
- · Hide rates for PO Boxes
- · Reorder rates
Advanced
- · Cart total based rules
- · Customer tag and B2B Company rules
- · Everything in the Free plan
- · Product name and Product tag rules
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featurePackOS solves the problem of inaccurate shipping rates at checkout. When box size is estimated incorrectly, merchants either overcharge customers and lose carts, or undercharge and lose margin. PackOS uses bin-packing logic to determine which box an order actually fits in, then queries live rates from USPS, UPS, FedEx, and other carriers for that specific package.
Order your shipping rates by price, shipping rate title, shipping rate code or a a specific order of your choice. Hide rates to PO Boxes and setup advanced rules to hide rates based on Customer tag, B2B Company name, Product name, tags and cart total. Upsell preferred shipping methods by placing it at the top of the list.
- Bin-packing engine selects the recommended box for each order automatically
- Live carrier rates from USPS, UPS, and FedEx returned at checkout
- Configurable box inventory, carrier settings, and shipping rules
- Order shipping rates by name/title
- Order shipping rates by a specific order
- Upsell shipping rates
All the numbers
Every figure, side by side
A green dot marks the app ahead on a measured figure. Estimates, gaps and apps that leave no storefront trace never take the lead.
Adoption
| Measure |  PackOS Checkout |  Shipping Rate Power Toy |
|---|---|---|
| Detected stores | Not published | Not published |
| Net store change, 28 days | 0 | 0 |
| Stores added, 28 days | Not enough data | Not enough data |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Not published | Not published |
| Top store countries | Not published | Not published |
Reviews
| Measure | PackOS Checkout | Shipping Rate Power Toy |
|---|---|---|
| App Store rating | 5.0 ★ | 5.0 ★ |
| App Store reviews | 1 | 31(ahead) |
| New reviews, 28 days | Not enough data | 0 |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | PackOS Checkout | Shipping Rate Power Toy |
|---|---|---|
| Free plan | Not listed | Yes |
| Lowest paid monthly plan | $50/month | $4.99/month(ahead) |
| Longest free trial | 14 days | 7 days |
| Plans listed | 4 | 2 |
Listing
| Measure | PackOS Checkout | Shipping Rate Power Toy |
|---|---|---|
| Shopify category rank | #391 | #14(ahead) |
| Shopify App Charts | Not on this week’s charts | #9 on Featured by Shopify in Shipping rates |
| Built for Shopify | No | Yes |
| Launched | May 20, 2026 | Apr 19, 2023 |
| Languages | 1 | 1 |
| Developer | PackOS | MZL Solutions |
FAQ
PackOS Checkout and Shipping Rate Power Toy: common questions
- Is PackOS Checkout or Shipping Rate Power Toy cheaper?
- Only Shipping Rate Power Toy lists a free plan. Paid plans start at $50/month for PackOS Checkout and $4.99/month for Shipping Rate Power Toy. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- Which has better reviews, PackOS Checkout or Shipping Rate Power Toy?
- On the Shopify App Store: PackOS Checkout 5.0 from 1 reviews and Shipping Rate Power Toy 5.0 from 31 reviews.
- What features does each app list that the other doesn’t?
- PackOS Checkout lists 2 the others don’t mention, such as Address validation, Custom rules. Shipping Rate Power Toy lists 6 the others don’t mention, such as Customer-based, Distance-based, Hide rates, PO Box restrictions. A feature missing from a listing may still be supported; this compares what each App Store listing says.
- Where does this comparison’s data come from?
- Shoplist crawls Shopify storefronts to detect which apps each store runs, and reads each app’s Shopify App Store listing for reviews, pricing, features and integrations. Store counts are as of Oct 13, 2026; estimated figures are labeled.
How Shoplist compares apps
Store counts come from Shoplist’s crawl of Shopify storefronts, which detects the apps each store runs; they are as of Oct 13, 2026. Reviews, ratings, plans, features and integrations come from each app’s Shopify App Store listing. 28-day figures are labeled when estimated, and a figure that is missing or estimated never decides who leads. Read the methodology.