Size Buddy vs WeeFizz Size Recommender
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 9, 2026 for Size Buddy, Oct 23, 2026 for WeeFizz Size Recommender.
The short answer
- Only Size Buddy lists a free plan. Paid plans start at $12.99/month for Size Buddy and $59/month for WeeFizz Size Recommender.
Head to head
Free
- · 2 Size Charts
Pro
- · 5 Size Charts
Premium
- · Unlimited Size Charts
Solo
- · 500 recommandations / mois
- · Marque blanche et personnalisations
- · Statistiques d'usage
Studio
- · 2000 recommandations / mois
- · Marque blanche et personnalisations
- · RDV de 30 min
- · Statistiques d'usage
Agency
- · Marque blanche et personnalisations
- · RDV de 30 min
- · Recommandations illimitées
- · Statistiques d'usage
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureSize Buddy adds a Find my size button to your product pages. Shoppers answer a few quick questions, like height and weight or bust and hips, and get a size from your own size chart, with a clear explanation of how it fits. Start from a template for tops, bottoms, dresses, bikini tops or one pieces, adjust each size with sliders, and test any shopper before you save.
WeeFizz aide vos clients à trouver leur taille idéale en quelques secondes, sur la fiche produit. À partir de quelques informations (taille, poids, âge, morphologie) ou d'une photo, WeeFizz calcule leurs mensurations et recommande la bonne taille selon votre grille. Résultat : plus de confiance à l'achat, plus de conversion et moins de retours dus aux erreurs de taille.
- Automatic size recommendations by category and fit style
- Fully editable size ranges to match your brand’s sizing chart
- Simple setup with instant integration into product pages
- Customizable fit options: slim, regular, or loose styles
- La bonne taille recommandée à chaque client, sur la fiche produit
- Moins de retours et d'échanges liés aux erreurs de taille
- Plus de confiance à l'achat et un meilleur taux de conversion








All the numbers
Every figure, side by side
A green dot marks the app ahead on a measured figure. Estimates, gaps and apps that leave no storefront trace never take the lead.
Adoption
| Measure | Size Buddy | WeeFizz Size Recommender |
|---|---|---|
| Detected stores | 4 | Not published |
| Net store change, 28 days | 0 | 0 |
| Stores added, 28 days | Not enough data | Not enough data |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Apparel & Accessories | Not published |
| Top store countries | Germany, Liechtenstein | Not published |
Reviews
| Measure | Size Buddy | WeeFizz Size Recommender |
|---|---|---|
| App Store rating | Not published | Not published |
| App Store reviews | Not published | Not published |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | Size Buddy | WeeFizz Size Recommender |
|---|---|---|
| Free plan | Yes | Not listed |
| Lowest paid monthly plan | $12.99/month(ahead) | $59/month |
| Longest free trial | Not listed | 14 days |
| Plans listed | 3 | 3 |
Listing
| Measure | Size Buddy | WeeFizz Size Recommender |
|---|---|---|
| Shopify category rank | #129(ahead) | #438 |
| Shopify App Charts | #15 in Product display - Other | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Oct 17, 2025 | Sep 23, 2026 |
| Languages | 1 | 1 |
| Developer | Appify Labs | WeeFizz |
FAQ
Size Buddy and WeeFizz Size Recommender: common questions
- Is Size Buddy or WeeFizz Size Recommender cheaper?
- Only Size Buddy lists a free plan. Paid plans start at $12.99/month for Size Buddy and $59/month for WeeFizz Size Recommender. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- Where does this comparison’s data come from?
- Shoplist crawls Shopify storefronts to detect which apps each store runs, and reads each app’s Shopify App Store listing for reviews, pricing, features and integrations. Store counts are as of Nov 9, 2026 for Size Buddy, Oct 23, 2026 for WeeFizz Size Recommender; estimated figures are labeled.
How Shoplist compares apps
Store counts come from Shoplist’s crawl of Shopify storefronts, which detects the apps each store runs; they are as of Nov 9, 2026 for Size Buddy, Oct 23, 2026 for WeeFizz Size Recommender. Reviews, ratings, plans, features and integrations come from each app’s Shopify App Store listing. 28-day figures are labeled when estimated, and a figure that is missing or estimated never decides who leads. Read the methodology.







