TinySEO combines image compression, page-speed work, technical SEO, and AI content tools. Lumi focuses more narrowly on missing-alt-text detection and merchant-selected Shopify product-content drafts.
Quick answer
Lumi is the clearer choice when the priority is to find missing alt text, choose other fields to refresh, review suggested drafts, publish approved updates, and keep generation history.
Published by Lumi from official vendor documentation. We have not tested these tools side by side. Compare your actual fields and review needs before choosing.
Checked October 3, 2026: TinySEO lists 50 free image optimizations monthly, then $0.03 each; $14/month includes 1,500 optimizations, $23 includes 5,000, and $49 includes 15,000, with tier-specific overages. These are image-optimization units, not verified AI alt-text generation allowances. For 1,000 images, do not convert the $14 optimization plan into a content-writing cost. Lumi credits apply to content generation: one per alt text or SEO field and two per description. TinySEO is the broader fit when compression, speed, redirects, or technical SEO are essential.
USD before tax. Prices and limits can change. Check official vendor terms and current Lumi plans.
Estimate a large-catalog workloadSide-by-side
Use the table to compare the work each app handles before deciding which one fits your store.
| Criterion | Lumi | TinySEO |
|---|---|---|
| Primary job | Find missing image alt text, empty descriptions, and missing SEO fields, create drafts, review them, publish approved updates, and keep generation history. | Combine image optimization, page-speed work, SEO auditing, structured data, and content tools. |
| Catalog coverage | Product-image alt text, product descriptions, search titles, and meta descriptions. Available features vary by plan. | Works across store images, SEO fields, redirects, structured data, and performance-related assets. |
| Review model | Merchant-started batches always create drafts for review. Maintain can automate drafts for new-product content and missing image alt text after product updates; enabled automation can publish automatically after you opt in. | Offers automated optimizations and SEO tooling across several technical and content areas. |
| Broader scope | Focused on Shopify product-content cleanup rather than replacing a full SEO, site-speed, or general AI toolkit. | Includes image compression, lazy loading, minification, redirects, JSON-LD, sitemaps, and other site-level SEO features. |
| Best fit | Shopify teams that want missing-alt-text detection, selected content drafts, review, publishing, and generation history in one place. | Merchants looking for an all-in-one SEO and performance toolkit, especially for images and speed. |
Lumi's distinction
Lumi is not a complete SEO suite or an accessibility guarantee. It helps Shopify teams find missing alt text, choose other fields to refresh, review drafts, publish approved updates, and keep generation history.
Identify missing image alt text and review storefront findings.
Create suggestions from your product details for merchant review.
Edit and approve proposed content.
Apply approved updates to Shopify fields.
Keep generation history and eligible-plan alt-text exports.
Lumi's Free plan currently includes 100 monthly generation credits. Confirm current plan details on the Shopify App Store.
Not in every use case. Merchants looking for an all-in-one SEO and performance toolkit, especially for images and speed. Lumi is the clearer choice when the priority is to find missing alt text, choose other fields to refresh, review suggested drafts, publish approved updates, and keep generation history.
TinySEO's primary job is to combine image optimization, page-speed work, SEO auditing, structured data, and content tools. Lumi is organized around finding missing image alt text, choosing other product fields to refresh, reviewing drafts, publishing approved updates, and keeping generation history.
Image compression and page-speed tooling are core requirements. You want technical SEO and catalog-content features in one suite. Your team needs redirects, structured data, or image compression more than reviewable content generation and alt-text fix records.
No. Lumi helps with product-image alt text and search-content cleanup, but accessibility involves the full storefront and search results depend on many factors.
Keep comparing
Get a bounded report from Shopify storefront pages, review the findings, and decide whether you need content suggestions, technical SEO, or a repeatable catalog cleanup process.
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