Flat Fee Shopify Apps – Reviews & Rating Trends
(Updated September 2026) Compare reviews and ratings for flat fee Shopify apps and see which apps are gaining the most install momentum. Review counts are the closest proxy to actual installs — Shopify doesn't publish install numbers — so review velocity is one of the strongest signals of merchant adoption for flat fee apps.
Flat Fee Shopify Apps — Full Reviews Table
All tracked flat fee Shopify apps ranked by total review count, with new reviews gained vs 30 days ago and average rating. Filter by country and date range; sort by reviews or review velocity.
| App | Reviews | Rating |
|---|---|---|
 ShipX ‑ Shipping Rates & Rules | 1,18719 | 5.0 |
 PH Ship Rate & Track for FedEx | 62810 | 4.9 |
 PH MultiCarrier Shipping Label | 6226 | 4.9 |
 Intuitive Shipping | 4782 | 5.0 |
 ShipZip Shipping Rates & Rules | 43010 | 5.0 |
 Easyship ‑ All in One Shipping | 3746 | 4.1 |
 Advanced Shipping Rules | 3162 | 4.8 |
 SMART Shipping Rates & Rules | 29535 | 4.9 |
 Advanced Shipping Rate Manager | 215 | 5.0 |
 ClickShip | Shipping Platform | 180 | 4.6 |
Showing 1-10 out of 79
Key Insights:
- ShipX ‑ Shipping Rates & Rules leads flat fee apps with 1,187 total reviews — 559 more than PH Ship Rate & Track for FedEx (628).
- Top 3 apps (ShipX ‑ Shipping Rates & Rules, PH Ship Rate & Track for FedEx, PH MultiCarrier Shipping Label) hold 51.6% of all reviews across the top 10 tracked flat fee apps.
- SMART Shipping Rates & Rules is gaining reviews fastest this month (+35) — strong recent install momentum.
- 8 of 10 top-reviewed flat fee apps gained new reviews this period; 0 saw no net additions.
Flat Fee Shopify Apps — Cumulative Review Trend
Monthly cumulative review count for the top 5 flat fee Shopify apps over the past year — a longitudinal view of which apps keep accumulating reviews and which have flattened.
Charts Data
| App | Apr 2026 | May 2026 | Jun 2026 | Jul 2026 | Aug 2026 | Sep 2026 |
|---|---|---|---|---|---|---|
| ShipX ‑ Shipping Rates & Rules | 1,13132 | 1,15019 | 1,16818 | 1,18921 | 1,21526 | 1,23217 |
| PH Ship Rate & Track for FedEx | 58216 | 59816 | 61820 | 63012 | 6355 | 6427 |
| PH MultiCarrier Shipping Label | 58814 | 60113 | 61615 | 6226 | 63412 | 6384 |
| Intuitive Shipping | 4686 | 4702 | 4777 | 4781 | 4857 | 485 |
| ShipZip Shipping Rates & Rules | 39512 | 40914 | 42011 | 43010 | 4366 | 4382 |
Key Insights:
- ShipX ‑ Shipping Rates & Rules's cumulative reviews grew from 658 to 1,232 over the charted period — 574 new reviews accumulated.
- ShipX ‑ Shipping Rates & Rules's 1,232 cumulative reviews sit 2.8× above ShipZip Shipping Rates & Rules's 438 at the bottom of the plotted flat fee set — a wide spread between long-running leaders and newer entrants.
- ShipX ‑ Shipping Rates & Rules's cumulative review lead compounds over time — an established review base acts as a trust signal for merchants comparing apps, and continued adoption keeps the review count climbing, a flywheel newcomers struggle to interrupt.
Fastest to 1,000 Reviews — Flat Fee Shopify Apps
Race-style view of how the top 5 flat fee Shopify apps reached 1,000 reviews — months since launch on the X-axis, cumulative review count on the Y-axis. Adjust the milestone or app set with the filters above.
Charts Data
| App | Months to Reach 1,000 Reviews | Current Review Count |
|---|---|---|
| ShipX ‑ Shipping Rates & Rules | 54 | 1,175 |
| PH Ship Rate & Track for FedEx | Not yet reached | 622 |
| PH MultiCarrier Shipping Label | Not yet reached | 620 |
| Intuitive Shipping | Not yet reached | 461 |
| ShipZip Shipping Rates & Rules | Not yet reached | 409 |
Key Insights:
- ShipX ‑ Shipping Rates & Rules reached 1,000 reviews fastest — in 54 months since launch.
- 4 of the top 5 flat fee apps haven't yet crossed 1,000 reviews — PH Ship Rate & Track for FedEx is closest at 622 cumulative.
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Most-Reviewed Flat Fee Shopify Apps
ShipX ‑ Shipping Rates & Rules leads flat fee Shopify apps with 1,187 cumulative reviews and a 5.0★ average rating. PH Ship Rate & Track for FedEx (628 reviews) and PH MultiCarrier Shipping Label (622 reviews) round out the top 3. Combined, the top 3 apps hold 51.6% of all reviews across the top tier — a tight oligopoly where the leader's review flywheel is hard to break. Notable mover: SMART Shipping Rates & Rules added the most new reviews this month (+35) — a strong recent install signal.
ShipX ‑ Shipping Rates & Rules's 1,187-review base reflects long-running merchant adoption in flat fee — a tenure signal for merchants who weight track record alongside current fit. PH Ship Rate & Track for FedEx (628 reviews) and the rest of the top tier carry meaningful adoption too, and feature scope, support, and current trajectory often matter more than raw review totals when choosing between established options.
Flat Fee Shopify Apps — Long-Term Review Trends
ShipX ‑ Shipping Rates & Rules accumulated 574 new reviews from Jan 2025 to Sep 2026, growing from 658 to 1,232 cumulative reviews — a steep addition rate for flat fee apps. Across the top 5 plotted flat fee apps, the steepest ongoing slopes mark the ones still actively winning new merchants — absolute review counts matter less than recent acceleration when picking apps in a category that's still growing.
ShipX ‑ Shipping Rates & Rules's lead in cumulative reviews compounds in concentrated flat fee categories: more reviews lift App Store rank, which drives more installs, which add more reviews — newcomers face a steep curve to catch up to the 1,232 cumulative base.
Review Growth Velocity in Flat Fee — Which Apps Grew Fastest
ShipX ‑ Shipping Rates & Rules is the only app in this set to have crossed 1,000 reviews, reaching the milestone in 54 months since launch. The remaining 4 flat fee apps tracked here are still building toward 1,000 — current cumulative review counts give the clearest picture of where each one stands today.
4 apps on this chart haven't yet crossed 1,000 reviews: PH Ship Rate & Track for FedEx at 622, PH MultiCarrier Shipping Label at 620, Intuitive Shipping at 461, ShipZip Shipping Rates & Rules at 409 cumulative reviews. PH Ship Rate & Track for FedEx is closest to the milestone — its current count puts it roughly 62% of the way to 1,000.
ShipX ‑ Shipping Rates & Rules is the only app in this set to have crossed 1,000 reviews so far — a useful signal for merchants that one app has already proved sustained adoption while the others remain in the "promising but unproven" tier of the flat fee category.
Top 5 Apps in Flat Fee
- SMART Shipping Rates & Rules — Has accumulated 295 reviews for flat fee at a 5.0★ average.
- ShipX ‑ Shipping Rates & Rules — Has accumulated 1,232 reviews for flat fee at a 5.0★ average.
- Free Shipping Discounts ‑ SC — Has accumulated 97 reviews for flat fee at a 5.0★ average.
- PH MultiCarrier Shipping Label — Has accumulated 638 reviews for flat fee at a 4.9★ average.
- OCT Hide Shipping Methods — Has accumulated 20 reviews for flat fee at a 4.9★ average.
Flat Fee Shopify Apps — Frequently Asked Questions
1. Which flat fee app has the most reviews on Shopify?
ShipX ‑ Shipping Rates & Rules has the most reviews among flat fee Shopify apps with 1,187 total reviews, ahead of PH Ship Rate & Track for FedEx at 628. Sort the table by Reviews (High to Low) to see the full ranked list.
2. How are reviews used to measure flat fee app popularity on Shopify?
Reviews are the closest publicly available proxy for install volume on Shopify — Shopify doesn't publish install counts, so cumulative reviews and review velocity are the standard way to measure adoption. For flat fee apps, this page shows total reviews, new reviews per month, and time-to-1,000 reviews so you can compare both established scale and current momentum.
3. Which flat fee app is gaining reviews fastest on Shopify?
SMART Shipping Rates & Rules is gaining the most new reviews this month among flat fee apps, adding 35 reviews in the past 30 days. Switch the table sub-tab to "Review Changes" to see all apps ordered by review velocity.
4. Which flat fee app reached 1,000 reviews fastest on Shopify?
ShipX ‑ Shipping Rates & Rules hit 1,000 reviews in 54 months since launch — the fastest review ramp among tracked flat fee Shopify apps. Use the "Fastest to 1,000 Reviews" chart above to compare against other apps or change the milestone (5,000, 10,000, etc.).
5. What is the average rating for top flat fee Shopify apps?
The top 5 flat fee apps average 5.0★ across 3,287 combined reviews — a strong overall quality benchmark. Individual ratings appear in the table above; sort by Reviews to see how rating varies across the most-installed apps.
6. How often are review counts for flat fee apps updated on Shopify?
Review counts and rating data refresh weekly on this page. The Reviews Trend chart aggregates monthly intervals by default — switch to weekly granularity for shorter-term signals or yearly for macro trends.
