Unit Conversion Shopify Apps – Reviews & Rating Trends
(Updated September 2026) Compare reviews and ratings for unit conversion 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 unit conversion apps.
Unit Conversion Shopify Apps — Full Reviews Table
All tracked unit conversion 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 |
|---|---|---|
8,75248 | 4.9 | |
 Kiwi Size Chart & Recommender | 1,16243 | 4.7 |
 BUCKS Currency Converter PRO++ | 1,16243 | 4.9 |
 Beast Currency Converter | 1,123 | 4.6 |
 MP Size Chart & Size Guide | 8645 | 5.0 |
 Nova: Multi Currency Converter | 74213 | 4.9 |
 Conversion Bear Trust Badges | 3793 | 4.9 |
 Currency Converter Plus | 2162 | 4.9 |
 Elevar Conversion Tracking | 1651 | 4.6 |
 BF Size Chart & Size Guide | 1401 | 4.8 |
Showing 1-10 out of 68
Key Insights:
- Pop Convert ‑ Pop Ups, Banners leads unit conversion apps with 8,752 total reviews — 7,590 more than Kiwi Size Chart & Recommender (1,162).
- Top 3 apps (Pop Convert ‑ Pop Ups, Banners, Kiwi Size Chart & Recommender, BUCKS Currency Converter PRO++) hold 75.3% of all reviews across the top 10 tracked unit conversion apps.
- Pop Convert ‑ Pop Ups, Banners is gaining reviews fastest this month (+48) — strong recent install momentum.
- 9 of 10 top-reviewed unit conversion apps gained new reviews this period; 0 saw no net additions.
Unit Conversion Shopify Apps — Cumulative Review Trend
Monthly cumulative review count for the top 5 unit conversion 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 |
|---|---|---|---|---|---|---|
 Pop Convert ‑ Pop Ups, Banners | 8,63391 | 8,67239 | 8,70735 | 8,75649 | 8,79034 | 8,80515 |
| BUCKS Currency Converter PRO++ | 96274 | 1,05088 | 1,12171 | 1,16544 | 1,20035 | 1,23232 |
| Kiwi Size Chart & Recommender | 1,03040 | 1,07848 | 1,12042 | 1,16444 | 1,18723 | 1,20720 |
| Beast Currency Converter | 1,1106 | 1,1155 | 1,1238 | 1,123 | 1,1241 | 1,124 |
| MP Size Chart & Size Guide | 83631 | 85620 | 8593 | 8645 | 8717 | 8743 |
Key Insights:
- Pop Convert ‑ Pop Ups, Banners's cumulative reviews grew from 6,426 to 8,805 over the charted period — 2,379 new reviews accumulated.
- Pop Convert ‑ Pop Ups, Banners's 8,805 cumulative reviews sit 10.1× above MP Size Chart & Size Guide's 874 at the bottom of the plotted unit conversion set — a wide spread between long-running leaders and newer entrants.
Fastest to 1,000 Reviews — Unit Conversion Shopify Apps
Race-style view of how the top 5 unit conversion 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 |
|---|---|---|
| Pop Convert ‑ Pop Ups, Banners | 24 | 8,583 |
| BUCKS Currency Converter PRO++ | 67 | 1,160 |
| Kiwi Size Chart & Recommender | 90 | 1,118 |
| Beast Currency Converter | 112 | 1,056 |
| MP Size Chart & Size Guide | Not yet reached | 821 |
Key Insights:
- Pop Convert ‑ Pop Ups, Banners reached 1,000 reviews fastest — in 24 months since launch.
- BUCKS Currency Converter PRO++ crossed 1,000 reviews in 67 months — 43 months behind Pop Convert ‑ Pop Ups, Banners.
- MP Size Chart & Size Guide is still building toward 1,000 reviews — currently at 821 cumulative.
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Most-Reviewed Unit Conversion Shopify Apps
Pop Convert ‑ Pop Ups, Banners leads unit conversion Shopify apps with 8,752 cumulative reviews and a 4.9★ average rating. Kiwi Size Chart & Recommender (1,162 reviews) and BUCKS Currency Converter PRO++ (1,162 reviews) round out the top 3. Combined, the top 3 apps hold 75.3% of all reviews across the top tier — a fragmented review landscape with reviews spread broadly. Notable mover: Pop Convert ‑ Pop Ups, Banners added the most new reviews this month (+48) — a strong recent install signal.
Unit Conversion reviews are spread broadly — Pop Convert ‑ Pop Ups, Banners (8,752), Kiwi Size Chart & Recommender (1,162), and BUCKS Currency Converter PRO++ (1,162) all carry meaningful review bases. With this distribution, review velocity and rating differentiate unit conversion apps better than total reviews alone.
Unit Conversion Shopify Apps — Long-Term Review Trends
Pop Convert ‑ Pop Ups, Banners accumulated 2,379 new reviews from Jan 2025 to Sep 2026, growing from 6,426 to 8,805 cumulative reviews — a steep addition rate for unit conversion apps. Across the top 5 plotted unit conversion 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.
Comparing unit conversion apps on review trend slope rather than absolute count is the sharper signal — an app gaining reviews fast is winning current merchants, while Pop Convert ‑ Pop Ups, Banners's 8,805 cumulative base reflects long-running adoption that may or may not still be translating to new installs.
Review Growth Velocity in Unit Conversion — Which Apps Grew Fastest
Pop Convert ‑ Pop Ups, Banners reached 1,000 reviews in 24 months since launch — the fastest ramp among the top 5 unit conversion apps tracked here. BUCKS Currency Converter PRO++ in 67 months, Kiwi Size Chart & Recommender in 90 months, and Beast Currency Converter took 112 months to cross the same milestone, a 88-month spread between the fastest and slowest in the set.
1 app on this chart hasn't yet crossed 1,000 reviews: MP Size Chart & Size Guide at 821 cumulative reviews. MP Size Chart & Size Guide is closest to the milestone — its current count puts it roughly 82% of the way to 1,000.
The 88-month gap between Pop Convert ‑ Pop Ups, Banners's and Beast Currency Converter's time-to-1,000 highlights how unevenly product-market fit landed across this unit conversion set — the leader found its merchant audience early, while late-rampers took multiple years to reach the same review depth. For merchants comparing these apps today, slower-ramping apps may have closed the functionality gap but still operate on smaller review bases.
Top 5 Apps in Unit Conversion
- Jotly Size Chart & Size Guide — Has accumulated 73 reviews for unit conversion at a 5.0★ average.
- MP Size Chart & Size Guide — Has accumulated 874 reviews for unit conversion at a 5.0★ average.
- Smart Size Chart & Fit Finder — Has accumulated 144 reviews for unit conversion at a 5.0★ average.
- Kiwi Size Chart & Recommender — Has accumulated 1,207 reviews for unit conversion at a 4.8★ average.
- AI Frame ‑ Try On & Size Chart — Has accumulated 14 reviews for unit conversion at a 5.0★ average.
Unit Conversion Shopify Apps — Frequently Asked Questions
1. Which unit conversion app has the most reviews on Shopify?
Pop Convert ‑ Pop Ups, Banners has the most reviews among unit conversion Shopify apps with 8,752 total reviews, ahead of Kiwi Size Chart & Recommender at 1,162. Sort the table by Reviews (High to Low) to see the full ranked list.
2. How are reviews used to measure unit conversion 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 unit conversion 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 unit conversion app is gaining reviews fastest on Shopify?
Pop Convert ‑ Pop Ups, Banners is gaining the most new reviews this month among unit conversion apps, adding 48 reviews in the past 30 days. Switch the table sub-tab to "Review Changes" to see all apps ordered by review velocity.
4. Which unit conversion app reached 1,000 reviews fastest on Shopify?
Pop Convert ‑ Pop Ups, Banners hit 1,000 reviews in 24 months since launch — the fastest review ramp among tracked unit conversion 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 unit conversion Shopify apps?
The top 5 unit conversion apps average 4.8★ across 12,738 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. Why does the most-reviewed unit conversion app differ from the highest-share app on Shopify?
Pop Convert ‑ Pop Ups, Banners has accumulated the most reviews over time (8,752), but Kiwi Size Chart & Recommender currently holds higher market share. Cumulative reviews reflect long-running merchant adoption, while market share is computed from recent review velocity — so a faster-ramping newer app can lead share before its cumulative reviews catch up.
7. How often are review counts for unit conversion 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.
