Side-by-side comparison · 24 data points
AI size charts and a fit recommender reduce returns. Cart & post-purchase upsells raise order value.
| ScaleChart | Lyros ‑ Smart SEO & Tags | |
|---|---|---|
| Tagline | ||
| Description | ||
| Screenshots | images | images |
| Languages | ||
| Platforms | ||
| Developer |
AI-driven tags plus Image Alt-Text, SEO Meta, Product titles & descriptions boost traffic in minutes
| Metric | ScaleChart: Size Chart & Guide | Lyros ‑ Smart SEO & Tags |
|---|---|---|
| Rating | ★ 5.0 ★ | 4.2 ★ |
| Total reviews | ★ 27 | 9 |
| Free plan | Yes | Yes |
| Pricing | Free plan available | Free to install |
| Built for Shopify | Yes | Yes |
| Pricing tiers | 2 tiers | ★ 4 tiers |
| Listed features | 5 | 5 |
| Languages | 8 supported | 5 supported |
| Listed since | Jan 2026 | Feb 2021 |
Based on the data on this page, ScaleChart: Size Chart & Guide is the stronger choice for most Shopify App Store merchants — 5.0★ vs Lyros ‑ Smart SEO & Tags's 4.2★ is a meaningful gap that usually reflects real product or support quality differences across the user base.
Pricing entry tiers: ScaleChart: Size Chart & Guide at Free plan available, Lyros ‑ Smart SEO & Tags at Free to install. Check each app's tier structure for the capacity limits you actually need before deciding — the headline number is the same shape, but the gating shape per tier (seats, usage volume, integrations) varies.
Recommended by size: small/early-stage merchants who need fast install and low risk should default to ScaleChart: Size Chart & Guide; mid-market and enterprise merchants with specific feature requirements should evaluate both — Lyros ‑ Smart SEO & Tags's 9-review base may include the workflow context that matches your specific use case better than ScaleChart: Size Chart & Guide's broader-but-shallower coverage.
This verdict is generated from the live marketplace data on this page — rating, review count, pricing tier, and category position all refresh from the canonical Shopify App Store listing every 24 hours. AppRanks does not accept payment to influence comparison outcomes; the methodology is documented on the About page and applies identically to every pair on the site.
Read each app's audit: ScaleChart: Size Chart & Guide audit • Lyros ‑ Smart SEO & Tags audit
| Listed |
|---|
| Last updated | — | — |
|---|
| Keyword | ScaleChart | Lyros ‑ Smart SEO & Tags |
|---|---|---|
| smart sizing | #107 | #128 |
Both ScaleChart: Size Chart & Guide and Lyros ‑ Smart SEO & Tags offer paid plans only. ScaleChart: Size Chart & Guide starts at Free plan available; Lyros ‑ Smart SEO & Tags starts at Free to install. Compare the per-tier features in the Pricing section above before committing.
ScaleChart: Size Chart & Guide has the higher average rating (5.0★ from 27 reviews) compared to Lyros ‑ Smart SEO & Tags (4.2★ from 9 reviews). Both are tracked daily by AppRanks, so the figures here update each refresh cycle.
ScaleChart: Size Chart & Guide holds the higher average rating (5.0★ vs 4.2★). That is the one dimension AppRanks can separate them on here — read both apps' detail pages for the feature breakdown and recent listing changes.
Both apps are one-click installs from the Shopify App Store. ScaleChart: Size Chart & Guide has the deeper published review base (27 vs 9), which often — though not always — accompanies better-tested setup docs. AppRanks doesn't measure setup time directly: read the recent reviews on each app's detail page for user-reported install experience.
ScaleChart: Size Chart & Guide typically suits early-stage and growth-mode teams based on its published review base (27 reviews). Lyros ‑ Smart SEO & Tags typically suits early-stage and growth-mode teams based on its published review base (9 reviews). A larger review base generally means the app has been exercised at scale — relevant if you are processing high volume or handling enterprise compliance requirements.
Migration support varies by app and category. ScaleChart: Size Chart & Guide and Lyros ‑ Smart SEO & Tags 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 Lyros ‑ Smart SEO & Tags" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.
