Apps tracked
Category leader
AI Fit Finder Size RecommenderTop region
Top Fitness Shopify Apps Ranked Today
Top 10 fitness Shopify apps ranked by current App Store position, with market share and review counts. Updated weekly.
| App | Rank | Market share | Reviews |
|---|---|---|---|
| AI Fit Finder Size Recommender | 11 | 29.35%16.79 | 232 |
 WAIR Size & Fit Recommendation | 21 | 13.21%17.24 | 33– |
 VFitz‑ The Vehicle Product Fit | 32 | 3.73%1.45 | 33– |
 Smart Size Chart & Size Guide | 41 | 17.61%11.70 | 1477 |
 RevenueHunt Product Quiz Maker | 51 | 24.01%12.40 | 4645 |
 RealSize ‑ Shoe Sizing & Fit | 62 | 1.60%0.99 | 8– |
 Square: Sticky Add to Cart Bar | 7– | 3.07%1.25 | 1452 |
 Fit Find: Size Chart & Guide | 817 | 0.32%0.32 | 42 |
 Rubik Combined Listings Swatch | 92 | 4.70%3.17 | 11416 |
 True Fit: AI Size Guidance | 106 | 0.07%0.44 | 231 |
Key Insights:
- AI Fit Finder Size Recommender commands 29.3% market share, 16.1pp ahead of WAIR Size & Fit Recommendation — a competitive fitness category.
- In the last 30 days, 6 apps climbed and 3 dropped in ranking among the top 10 tracked fitness apps.
- Rubik Combined Listings Swatch added the most new reviews this month (+16) — strong adoption momentum.
Live Ranking and Market Share Trends for Fitness Shopify Apps
Monthly ranking and market share trends for the top 5 fitness 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 |
|---|---|---|---|---|---|---|
| AI Fit Finder Size Recommender | #23 | #53 | #32 | #41 | #22 | #11 |
| WAIR Size & Fit Recommendation | #3– | #41 | #22 | #2– | #11 | #21 |
| VFitz‑ The Vehicle Product Fit | #73 | #7– | #43 | #31 | #52 | #32 |
| Smart Size Chart & Size Guide | #1– | #1– | #1– | #1– | #43 | #4– |
| RevenueHunt Product Quiz Maker | #132 | #103 | #91 | #54 | #61 | #51 |
Key Insights:
- AI Fit Finder Size Recommender's ranking improved from #14 to #1 over the charted period.
- 4 of 5 top fitness apps improved their position; 1 declined — a mixed picture.
- AI Fit Finder Size Recommender's market share is 29.4% — gaining +29.3pp since the start of the chart.
Fitness Shopify Apps — Market Share by Country
Top 5 countries driving installs for fitness Shopify apps, with current market share and 30-day change versus the previous month.
| Country | Market share | Change |
|---|---|---|
 United States | 34.7% | 10.71 |
 United Kingdom | 11.1% | 0.25 |
 Netherlands | 6.4% | 2.90 |
 Australia | 6.0% | 0.87 |
 Spain | 5.9% | 2.75 |
Key Insights:
- United States accounts for 34.7% of fitness app installs — the single largest market.
- Top 3 markets (United States, United Kingdom, Netherlands) collectively cover 52.3% of all tracked fitness installs — highly concentrated demand.
- Netherlands is the fastest-growing market this month (+2.9pp) — emerging demand worth watching.
Fastest to 1,000 Reviews — Fitness Shopify Apps
Race-style view of how the top 5 fitness 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 |
|---|---|---|
| RevenueHunt Product Quiz Maker | Not yet reached | 463 |
| Smart Size Chart & Size Guide | Not yet reached | 146 |
| VFitz‑ The Vehicle Product Fit | Not yet reached | 34 |
| WAIR Size & Fit Recommendation | Not yet reached | 33 |
| AI Fit Finder Size Recommender | Not yet reached | 22 |
Key Insights:
- 5 of the top 5 fitness apps haven't yet crossed 1,000 reviews — RevenueHunt Product Quiz Maker is closest at 463 cumulative.
Top Fitness Shopify Apps Ranked by Position
AI Fit Finder Size Recommender holds the top spot for fitness with 29.3% market share, but the gap to challengers is closing, 16.1pp ahead of WAIR Size & Fit Recommendation (13.2%). VFitz‑ The Vehicle Product Fit sits at #3 with 3.7% share, rounding out the top tier. The top 3 apps together control 46.3% of fitness installs — a clear leadership tier with a meaningful long tail behind them. Fit Find: Size Chart & Guide is the standout mover this month, climbing 17 positions — a momentum signal worth tracking.
AI Fit Finder Size Recommender (29.3%) and WAIR Size & Fit Recommendation (13.2%) sit close at the top of fitness apps, and Fit Find: Size Chart & Guide climbed 17 positions this month. Current rank is a thin signal in this kind of mover-heavy category — recent climbers often have stronger 6-month trajectory than today's leader.
Live Ranking and Market Share Trends Across Fitness Shopify Apps
AI Fit Finder Size Recommender climbed from #14 (Oct 2025) to #1 (Oct 2026) — a 13-position gain among fitness apps over the charted window. Across the top 5 plotted fitness apps, 4 improved their ranking while 1 declined — the category is moving upward overall. AI Fit Finder Size Recommender's share expanded +29.3pp from 0.0% (Oct 2025) to 29.4% (Oct 2026) — a sustained widening of the gap against other fitness apps over this window.
A 13-position move for the leader over the charted fitness window is large enough to reflect real merchant adoption shifts, not just App Store noise — AI Fit Finder Size Recommender's climb as of Oct 2026 is the strongest trajectory signal in this chart.
Review Growth Velocity in Fitness — Which Apps Grew Fastest
None of the top 5 fitness apps tracked here have yet crossed 1,000 reviews. RevenueHunt Product Quiz Maker leads the set on current cumulative reviews with 463 — closest to the milestone, at roughly 46% of the way there.
With no app in this fitness set having crossed 1,000 reviews, the category is still in early adoption. RevenueHunt Product Quiz Maker is the closest to breaking out at 463 cumulative reviews — worth tracking its per-month review velocity to see whether it's on pace to cross the milestone first.
Top 5 Apps in Fitness
- AI Fit Finder Size Recommender — Tops the fitness rankings with 29.3% market share and 5.0★.
- WAIR Size & Fit Recommendation — Currently ranked #2 with 13.2% market share and 4.7★.
- VFitz‑ The Vehicle Product Fit — Climbed 2 positions this month to rank #3 — 3.7% share, 4.9★.
- Smart Size Chart & Size Guide — Currently ranked #4 with 17.6% market share and 4.9★.
- RevenueHunt Product Quiz Maker — Climbed 1 position this month to rank #5 — 24.0% share, 4.9★.
Fitness Shopify Apps — Frequently Asked Questions
1. What is the best fitness app on Shopify?
AI Fit Finder Size Recommender ranks #1 for fitness apps with 29.3% market share, but the category is competitive — WAIR Size & Fit Recommendation is close behind at 13.2%, so the best fit depends on your store's specific needs.
2. Which fitness app has the highest market share on Shopify?
AI Fit Finder Size Recommender holds the highest market share among fitness apps at 29.3% (+16.79pp 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 fitness apps are tracked on Shopify?
ShopDigest tracks 96 fitness apps on the Shopify App Store. Rankings, market share, geography, and review data refresh weekly.
4. Which fitness app is growing the fastest on Shopify?
Fit Find: Size Chart & Guide has shown the strongest ranking momentum, climbing 17 positions over the past 30 days. Use the Rankings tab to see full month-over-month trajectories.
5. Where are fitness apps most popular on Shopify?
United States has the highest concentration of fitness app installs at 34.7%, followed by United Kingdom at 11.1%. The Geography tab shows the full country-by-country breakdown.
6. How is market share calculated for fitness 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.
