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Athos vs Size Swatch
Side-by-side comparison
Size Swatch
Show size swatches and stock availability on your collection page — shoppers find their size fast!
shopifyFree trial available
At a glance
| Metric | Athos: Unified Discovery | Size Swatch |
|---|---|---|
| Rating | 3.1 ★ | ★ 4.9 ★ |
| Total reviews | 21 | ★ 35 |
| Free plan | Yes | Yes |
| Pricing | Free trial available | Free trial available |
| Pricing tiers | 1 tier | 1 tier |
| Listed features | 4 | ★ 5 |
| Languages | 1 supported | 1 supported |
| Listed since | Apr 2014 | Dec 2019 |
AppRanks verdict
Generated from live data on this pageThe call
Athos and Size Swatch each lead on different measured dimensions — pick by the one that matters most to you.
Where Athos leads
- Lists a free plan; Size Swatch doesn't.
- Ranks higher in Search and navigation: #28 vs #56 of 468.
- Lists A/B testing, AI insights and AI recommendations (+40 more) in its marketplace category features; Size Swatch doesn't.
Where Size Swatch leads
- Higher average rating: 4.9★ vs 3.1★.
- Lists Hide out-of-stock, In-stock display and Low stock alerts (+3 more) in its marketplace category features; Athos doesn't.
How this is generated
Built only from the Shopify App Store listing data shown on this page. AppRanks does not accept payment to influence comparisons. Read the methodology
Read each app's audit: Athos: Unified Discovery audit • Size Swatch audit
1. Listing metadata
Field-level data| Field | Athos | Size Swatch |
|---|---|---|
| Tagline | ||
| Listing audit | 86/100 listing audit | 82/100 listing audit |
| Screenshots | images | images |
| Languages | ||
| Platforms | ||
| Developer | ||
| Listed |
2. Pricing & plans
Marketplace-listed plans · paid plans cheapest first, not matched tier-for-tierTier
Athos
Size Swatch
Free plan
Free to install
Free
- Free Free to install The Athos Commerce App is free to install. Athos Commerce is available as three separate, tiered offerings.
No free plan listed
Paid plans
No paid plans listed
14 Day Trial Plan
3. Features
As listed by each developerAthos
- Unified Search & Browse: Results adapt in real time to reduce no-result exits.
- Strategic Merchandising: Use dynamic rules to prioritize by margin and stock.
- Contextual Personalization: Recommendations relevant to a shopper's journey.
- Operational Control: Reduce manual work with one dashboard for site discovery.
Size Swatch
- Show sizes & variants as swatches on your collection page — no clicking needed
- Stock availability on collection page — cross out, strikethrough, or hide sizes
- Create urgency with low-stock tooltips on the grid — "Almost gone", "Only 2 left
- Customize swatch shape, size, and colors to match your branding — preview first
- Auto-installs on all Shopify built themes — custom theme? We set you up fast
4. Categories & rankings
Shared categories on the same row · in-category position inlineAthos
Size Swatch
Upsell and cross-sell#489 of 1.3k
—
5. Category features
Marketplace-curated features per categorySearch and filters0 shared · 27 total
Only in Athos
- AI search
- Autocomplete
- Custom ranking
- Exclude results
- Instant search
- Multi-filter
- Multi-language
- Personalized search
- Product boosts
- Product recommendations
- Search bar
- Search suggestions
- Stop words
- Synonym groups
- Typo tolerance
- Custom CSS
- Custom filters
- Custom styling
- Filter display
- Mobile responsive
- Search results page
- Sorting
- AI insights
- Behavior insights
- Conversion tracking
- Filter usage
- Search queries
Only in Size Swatch
None
Upsell and cross-sell0 shared · 19 total
Only in Athos
- Cart upsell
- Custom CSS
- Custom HTML
- Custom rules
- Multi-currency
- Multi-language
- One-click add-ons
- Product page upsell
- Thank you page upsell
- AI recommendations
- Bundles
- Frequently bought together
- Product add-ons
- Product recommendations
- A/B testing
- Click-through rates
- Conversion rates
- Optimization suggestions
- Recommendation performance
Only in Size Swatch
None
Product variants0 shared · 6 total
Only in Athos
None
Only in Size Swatch
- Swatches
- Variants display
- Hide out-of-stock
- In-stock display
- Low stock alerts
- Stock availability
6. Search rankings
Top 5 keywords · shared rankings prioritized| Keyword | Athos | Size Swatch |
|---|---|---|
| discovery | #20 | Not ranked |
| instant search | #22 | Not ranked |
| smart sizing | Not ranked | #86 |
| sizing | Not ranked | #172 |
| yotpo | #227 | Not ranked |
7. Activity in the last 90 days
Tracked changes · pricing, features, copy, screenshotsAthos · 2 changes
- Nov 2descriptionListing copy updated
- Sep 3descriptionListing copy updated
Size Swatch · 1 changes
- Nov 3descriptionListing copy updated
8. App details
Long-form descriptionAthos
Stop losing sales to fragmented discovery. Athos Commerce replaces disconnected tools with a unified discovery engine that reduces shopper friction and increases conversion. By connecting signals across your store, Athos ensures shoppers find relevant products faster, without the need for constant manual tuning.
Size Swatch
Your shoppers shouldn't have to click into every product to find their size. Size Swatch displays available sizes and stock availability directly on your collection and homepage — so customers find what fits and add to cart faster. Fully customisable to match your store branding. Automatic installation on all Shopify built themes, with fast support for custom themes. Built for fashion, apparel, and boutique stores. Trusted by merchants since 2019.
Frequently asked
Common questions about this comparisonIs Athos: Unified Discovery or Size Swatch cheaper?
Athos: Unified Discovery is cheaper to start with — it offers a free plan and Size Swatch doesn't list one. Prices are as listed on the Shopify App Store; check what each tier includes in the Pricing section above.
Which has better reviews, Athos: Unified Discovery or Size Swatch?
Size Swatch has the higher average rating (4.9★ from 35 reviews) compared to Athos: Unified Discovery (3.1★ from 21 reviews). Both are tracked daily by AppRanks, so the figures here update each refresh cycle.
Should I choose Athos: Unified Discovery or Size Swatch?
Size Swatch holds the higher average rating (4.9★ vs 3.1★). That is the one dimension AppRanks can separate them on here — read both apps' detail pages for the feature breakdown and recent listing changes.
Which is faster to set up, Athos: Unified Discovery or Size Swatch?
Both apps are one-click installs from the Shopify App Store. AppRanks doesn't measure setup time directly; Size Swatch has more published reviews to read for user-reported install experience (35 vs 21).
Which works better for small vs large Shopify App Store merchants?
AppRanks cannot say which fits a larger or smaller operation — there is no store-size measurement in the Shopify App Store data. What it can show: Athos: Unified Discovery has 21 published reviews; Size Swatch has 35 published reviews. Compare plan limits and pricing tiers against your own volume.
Can I migrate data between Athos: Unified Discovery and Size Swatch?
Migration support varies by app and category. Athos: Unified Discovery and Size Swatch both publish their export options on their marketplace listing pages (or in their support docs); some apps offer one-click import from competitors, others require CSV. The fastest check: search "import from Athos: Unified Discovery" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.
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