TL;DR
- Shopify Magic: free and built into the product editor; best for writing one product at a time.
- Nashrly (our product): best for rewriting an existing catalog for Google and AI search with review, publish and undo, plus variant photos, feeds and social posts.
- CopyHero: best for dropshippers importing products from AliExpress or other Shopify stores.
- AI Product Descriptions Writer: a focused writer that saves generated copy straight into Shopify product fields.
Comparison table
| App | Best for | Bulk / catalog work | Beyond copy | Free option |
|---|---|---|---|---|
| Shopify Magic | Single products inside the admin | Limited | Other admin text (emails, FAQs) | Included with Shopify |
| Nashrly | Existing catalogs, SEO and AI search | Yes, with review and undo | Variant photos, per-variant Shopping feed, social posts | 80 AI actions a month |
| CopyHero | Importing and writing new products | Yes | Product import, images, translations | 100 credits |
| AI Product Descriptions Writer | Quick descriptions from name and features | See listing | Copy only | See listing |
Information comes from each app’s public listing and from independent 2026 roundups such as Fudge and EasySell. We do not show star ratings because they change weekly; check the App Store for current reviews.
1. Shopify Magic
Shopify’s built-in AI writes a description from a few keywords directly in the product editor. It costs nothing extra and is the sensible first try for a small store. It works one product at a time and does not manage SEO publishing history, feeds or social content.
2. Nashrly
Nashrly rewrites product descriptions, SEO titles and meta descriptions for Google and AI search, shows drafts for review and publishes to Shopify with one-click undo. It also gives each color variant its own photos, builds a per-variant Google Shopping feed and turns products into on-brand Instagram and Facebook posts. It does not import products from suppliers.
3. CopyHero
CopyHero focuses on bringing products in from AliExpress or other Shopify store URLs and generating copy, images and translations for them. Paid plans are listed at $15, $39 and $99 a month. See our detailed Nashrly vs CopyHero comparison.
4. AI Product Descriptions Writer
A focused app: enter a product name, key features and tone, and it produces SEO-friendly copy you can save into the product fields. Good if you want a writer and nothing else.
How to choose
- Count the products you need to update each month and compare it with each free allowance.
- Check whether you can review before publishing and restore the old text.
- Test the same three products in two apps and compare the output against the real product.
- Measure: grade a page before and after with the free product page grader.
What changed in 2026
Two shifts matter when choosing an AI description app this year. First, more shoppers start product research in AI assistants such as ChatGPT, Perplexity and Google’s AI Overviews, which quote clear, factual sentences from product pages. Copy that opens with what the product is, who it is for and its key specification now matters for AI search as well as classic SEO. Second, Shopify’s own built-in AI has improved, which raises the bar for paid apps: a paid tool now needs to save real time on catalog-scale work or add something Shopify Magic does not.
Evaluation criteria we used
Accuracy and control
An AI writer is only useful if it does not invent facts. Look for apps that work from your product data, let you add notes such as materials or fit, and show a draft before anything changes in your store.
Catalog scale
Writing one description is easy with any tool. Updating 300 products consistently needs bulk selection, a review queue and the ability to roll back a batch. This is the main difference between built-in tools and specialized apps.
SEO fields, not just body copy
Search snippets come from the SEO title and meta description. Apps that write only the body text leave Shopify to auto-generate snippets, which often truncate badly. Check whether each app writes and lets you edit those fields.
What happens after the copy
Some apps stop at text. Others add images, translations, feeds or social posts. Extra features only matter if you would otherwise pay for or spend time on them separately.
Pricing model
Credits, actions and per-product pricing are hard to compare on a pricing page. Estimate your monthly volume and price that specific workload in each app.
Recommendations by store type
- New store, under 30 products: start with Shopify Magic and edit by hand.
- Dropshipping store adding supplier products weekly: an importer-style app such as CopyHero.
- Established brand with an existing catalog and variants: Nashrly, for SEO rewrites with undo, variant photos, feeds and social posts.
- You only want quick text and nothing else: a focused writer such as AI Product Descriptions Writer.
A fair test you can run in an hour
Pick three products: one best-seller, one with a thin description and one technical product. Generate a description for each in two apps using the same notes. Score each draft on factual accuracy, specificity, readability and whether the first sentence clearly says what the product is. Then check how easy it was to review, publish and undo. That hour tells you more than any roundup, including this one.
Where Nashrly fits
Choose Nashrly if your catalog already exists and you want product pages, variant photos, feeds and social posts handled in one place, with nothing published until you approve it.
Install Nashrly from the Shopify App StoreFree plan: Nashrly includes 80 AI actions a month at no cost. See pricing, or partner with us if you run an agency.
Frequently asked questions
Is there a free AI product description generator for Shopify?
Yes. Shopify Magic is included with Shopify plans and writes descriptions inside the product editor. Several apps, including Nashrly and CopyHero, also offer free plans with a monthly allowance.
Do AI product descriptions hurt SEO?
Not by themselves. Search engines judge usefulness and originality, not how text was written. Thin, generic or inaccurate AI copy performs poorly; reviewed copy with real product details can perform well.
What should I look for in an AI description app?
Bulk editing for your catalog size, control over SEO title and meta description, a review step before publishing, a way to undo changes, language support, and pricing that matches how many products you update each month.
How were these apps chosen?
They are well-known Shopify AI copy tools that appear in public App Store listings and independent 2026 roundups. We link the source for each one. Nashrly is our own product, and we say so.