Sizing Shopify Apps – Analytics & Insights
(Updated October 2026) Track the top sizing Shopify apps with live rankings, market share, geography, and review data — updated weekly from the Shopify App Store. This keyword page shows where each app stands today and how its position has shifted over time.
Top Sizing Shopify Apps Ranked Today
Top 10 sizing Shopify apps ranked by current App Store position, with market share and review counts. Updated weekly.
| App | Rank | Market Share | Reviews |
|---|---|---|---|
 MP Size Chart & Size Guide | 1 1 | 41.98% 11.01 | 875 2 |
 Smart Size Chart & Size Guide | 2 1 | 11.03% 9.83 | 146 5 |
 Pify Size Charts & Size Guides | 3 1 | 3.51% 1.15 | 40 2 |
 Kiwi Size Chart & Recommender | 4 1 | 28.57% 4.17 | 1,221 30 |
 Jotly Size Chart & Size Guide | 5 2 | 1.88% 2.99 | 73 2 |
 ScaleChart: Size Chart & Guide | 6 | 1.93% 0.57 | 41 15 |
 AI Frame: Try‑On & Size Chart | 7 1 | 0.72% 0.37 | 23 6 |
 BF Size Chart & Size Guide | 8 1 | 0.11% 0.17 | 140 0 |
 CSC Size Chart & Size Guide | 9 2 | 0.04% 0.02 | 95 0 |
 G: Size Chart & Size Guide | 10 6 | 0.04% 0.03 | 5 1 |
Key Insights:
- MP Size Chart & Size Guide commands 42.0% market share, 31.0pp ahead of Smart Size Chart & Size Guide — a concentrated sizing category.
- In the last 30 days, 6 apps climbed and 3 dropped in ranking among the top 10 tracked sizing apps.
- Kiwi Size Chart & Recommender added the most new reviews this month (+30) — strong adoption momentum.
Live Ranking and Market Share Trends for Sizing Shopify Apps
Monthly ranking and market share trends for the top 5 sizing Shopify apps over the past year — see how each app's App Store position and market share have shifted month by month.
Charts Data
| App | May 2026 | Jun 2026 | Jul 2026 | Aug 2026 | Sep 2026 | Oct 2026 |
|---|---|---|---|---|---|---|
| MP Size Chart & Size Guide | #11 | #1 | #32 | #21 | #2 | #11 |
| Smart Size Chart & Size Guide | #3 | #21 | #2 | #11 | #1 | #21 |
| Pify Size Charts & Size Guides | #4 | #31 | #52 | #41 | #4 | #31 |
| Kiwi Size Chart & Recommender | #21 | #11 | #1 | #54 | #5 | #41 |
| Jotly Size Chart & Size Guide | #5 | #41 | #4 | #31 | #3 | #52 |
Key Insights:
- MP Size Chart & Size Guide's ranking held steady from #1 to #1 over the charted period.
- 1 of 5 top sizing apps improved their position; 1 declined — a stable market.
- MP Size Chart & Size Guide's market share is 42.0% — gaining +3.7pp since the start of the chart.
Sizing Shopify Apps — Market Share by Country
Top 5 countries driving installs for sizing Shopify apps, with current market share and 30-day change versus the previous month.
| Country | Market Share | Change |
|---|---|---|
 United States | 26.4% | 0.07 |
 Netherlands | 12.7% | 2.28 |
 United Kingdom | 7.2% | 2.86 |
 India | 6.0% | 1.15 |
 Australia | 5.5% | 0.99 |
Key Insights:
- United States accounts for 26.4% of sizing app installs — the single largest market.
- Top 3 markets (United States, Netherlands, United Kingdom) collectively cover 46.3% of all tracked sizing installs — moderately concentrated demand.
- Netherlands is the fastest-growing market this month (+2.3pp) — emerging demand worth watching.
Fastest to 1,000 Reviews — Sizing Shopify Apps
Race-style view of how the top 5 sizing Shopify apps reached 1,000 reviews — months since launch on the X-axis, cumulative review count on the Y-axis.
Charts Data
| App | Months to Reach 1,000 Reviews | Current Review Count |
|---|---|---|
| Kiwi Size Chart & Recommender | 90 | 1,223 |
| MP Size Chart & Size Guide | Not yet reached | 870 |
| Smart Size Chart & Size Guide | Not yet reached | 143 |
| Jotly Size Chart & Size Guide | Not yet reached | 74 |
| Pify Size Charts & Size Guides | Not yet reached | 39 |
Key Insights:
- Kiwi Size Chart & Recommender reached 1,000 reviews fastest — in 90 months since launch.
- 4 of the top 5 sizing apps haven't yet crossed 1,000 reviews — MP Size Chart & Size Guide is closest at 870 cumulative.
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Top Sizing Shopify Apps Ranked by Position
MP Size Chart & Size Guide dominates sizing with 42.0% market share — a clear category leader Shopify merchants gravitate to first, 31.0pp ahead of Smart Size Chart & Size Guide (11.0%). Pify Size Charts & Size Guides sits at #3 with 3.5% share, rounding out the top tier. The top 3 apps together control 56.5% of sizing installs — a clear leadership tier with a meaningful long tail behind them. G: Size Chart & Size Guide is the standout mover this month, climbing 6 positions — a momentum signal worth tracking.
MP Size Chart & Size Guide's 42.0% lead has held stably this month, with the top 3 apps capturing 56.5% of all sizing installs. Smart Size Chart & Size Guide (11.0%) is the natural alternative when store fit or pricing rules out MP Size Chart & Size Guide.
Live Ranking and Market Share Trends Across Sizing Shopify Apps
MP Size Chart & Size Guide held #1 steadily from Oct 2025 to Oct 2026 — an entrenched leader in sizing that challengers haven't displaced. Among the top 5 plotted sizing apps, 1 improved and 1 declined — rankings reshuffled without a single category-wide direction. MP Size Chart & Size Guide's share expanded +3.7pp from 38.3% (Oct 2025) to 42.0% (Oct 2026) — a sustained widening of the gap against other sizing apps over this window.
Stable rankings across the top 5 plotted sizing apps mean merchants have largely settled on their preferences — challengers below the top 5 face an uphill path to break in.
Review Growth Velocity in Sizing — Which Apps Grew Fastest
Kiwi Size Chart & Recommender is the only app in this set to have crossed 1,000 reviews, reaching the milestone in 90 months since launch. The remaining 4 sizing 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: MP Size Chart & Size Guide at 870, Smart Size Chart & Size Guide at 143, Jotly Size Chart & Size Guide at 74, Pify Size Charts & Size Guides at 39 cumulative reviews. MP Size Chart & Size Guide is closest to the milestone — its current count puts it roughly 87% of the way to 1,000.
Kiwi Size Chart & Recommender 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 sizing category.
Top 5 Apps in Sizing
- MP Size Chart & Size Guide — Category leader for sizing with 42.0% market share and 5.0★.
- Smart Size Chart & Size Guide — Currently ranked #2 with 11.0% market share and 4.9★.
- Pify Size Charts & Size Guides — Climbed 1 position this month to rank #3 — 3.5% share, 5.0★.
- Kiwi Size Chart & Recommender — Climbed 1 position this month to rank #4 — 28.6% share, 4.7★.
- Jotly Size Chart & Size Guide — Currently ranked #5 with 1.9% market share and 5.0★.
Sizing Shopify Apps — Frequently Asked Questions
1. What is the best sizing app on Shopify?
MP Size Chart & Size Guide is the leading sizing app on Shopify, holding 42.0% of category market share with 875 reviews — a clear default for most merchants.
2. Which sizing app has the highest market share on Shopify?
MP Size Chart & Size Guide holds the highest market share among sizing apps at 42.0% (+11.01pp vs 30 days ago). Market share here is estimated from each app's recent review velocity, with rank-weighted adjustment because positions in keyword search drive most installs.
3. How many sizing apps are tracked on Shopify?
ShopDigest tracks 96 sizing apps on the Shopify App Store. Rankings, market share, geography, and review data refresh weekly.
4. Which sizing app is growing the fastest on Shopify?
G: Size Chart & Size Guide has shown the strongest ranking momentum, climbing 6 positions over the past 30 days. Use the Rankings tab to see full month-over-month trajectories.
5. Where are sizing apps most popular on Shopify?
United States has the highest concentration of sizing app installs at 26.4%, followed by Netherlands at 12.7%. The Geography tab shows the full country-by-country breakdown.
6. How is market share calculated for sizing on Shopify keyword pages?
For keyword pages, market share is rank-weighted — apps at position #1 carry roughly 40× the weight of apps at position #22, and apps beyond #22 are excluded. This reflects the reality that Shopify keyword search traffic concentrates heavily at the top of results.
7. Which sizing app reached 1,000 reviews fastest on Shopify?
Kiwi Size Chart & Recommender hit 1,000 reviews in 90 months since launch — the fastest review ramp among tracked sizing Shopify apps. See the Review Champions chart above for the full race.
