Under ~20 products, occasional copy?
- One-off copy, right in the admin
- Nothing to install or pay for
- You don’t need an app yet — ours included
Compare
MerchUp against Shopify Magic and the apps you would actually shortlist — every claim verified, including the rows where we lose.
Every claim verified · 18 August 2026
The short answer
Three honest verdicts before the table
Different stores need different tools. Start here, then check the detail below.
Feature by feature
The full picture, nothing cherry-picked
Ticks and crosses straight from each app’s live listing or official docs — dated, and re-checked when they change.
Verified 18 August 2026
MerchUp AI
Templates + rules at scale
£12.99/mo · 7-day trial
Shopify Magic
Built into the admin
Free · all plans
Smartli
"9 AI tools" bundle
$39/mo · 20 descr.
Yodel
"AI Product Descriptions" app
Free · paid from $14.99
Describely
Catalog audit + copy
$28/mo · 50 products
WriteText.ai
Copy + SEO suite
$149/mo or credits
Price from
£12.99/mo
Free
$39/mo
Free · $14.99
Free · $28
$90 credits
Free plan
7-day trial
100 tokens/mo
5 products
trial only
Designed templates
visual editor
copy rule sets
copy sections
Full-store SEO run
all page types · from ~£3
products only
Live rank verification
auto-fixes + proof
tracks only
Rival keyword research
free
descr. suggestions only
—
—
—
$149/mo Pro
SEO meta titles + descriptions
keyword-optimised
descr. only
Image alt text
keyword-optimised
credit-metered
Bulk generation
whole catalog
one at a time
—
10k in one click
Auto-assign rules
tag / type / vendor
new-product detect
Import existing layout
coming soonfrom your store
—
—
Brand voice
prompt only
—
tone + style
Multi-language output
50 languages + auto
prompt language
English
claimed
claimed
30+
History, undo & restore
every generation
one-shot suggestions
—
—
—
—
Review before publish
review queue
in-editor only
—
—
content audit
review → transfer
Shopify rating
Earning ours
—built-in
4.1 ★ (63)
5.0 ★ (33)
5.0 ★ (3)
No reviews
MerchUp AI
Templates + rules at scale
£12.99/mo · 7-day trial
Shopify Magic
Built into the admin
Free · all plans
Price from
£12.99/mo
Free
Free plan
7-day trial
Designed templates
visual editor
Full-store SEO run
all page types · from ~£3
Live rank verification
auto-fixes + proof
Rival keyword research
free
descr. suggestions only
SEO meta titles + descriptions
keyword-optimised
descr. only
Image alt text
keyword-optimised
Bulk generation
whole catalog
one at a time
Auto-assign rules
tag / type / vendor
Import existing layout
coming soonfrom your store
Brand voice
prompt only
Multi-language output
50 languages + auto
prompt language
History, undo & restore
every generation
one-shot suggestions
Review before publish
review queue
in-editor only
Shopify rating
Earning ours
—built-in
Verified 18 August 2026 against each app’s public listing or official docs. All product names, logos and brands are property of their respective owners.
Prefer an editorial roundup of the whole category? Read our guide to the best Shopify AI apps.
The difference
Others write and hope. MerchUp proves it on Google.
Most apps stop at “sounds good”. MerchUp starts at “what does the shop beating you rank for?” — writes it through your description and your Google listing, then proves it took on live results.
Steal the target, not the text
The keyword comes from your rivals’ live rankings — not guessed from your title. Every page gets its own; no two of yours ever fight for one search.
Write the page and the result as one
The description in your designed template, the meta title and snippet, every image alt — one pass, every word agreeing on what this page is for.
Then check Google actually noticed
Every pick is re-checked against live results. Losers get swapped and rewritten without you lifting a finger — and the before/after score is yours to keep, or undo.
Full disclosure
Where the others genuinely win
A comparison you can trust has to cost us something. So here’s the honest version — including exactly when you should choose them instead of us.
Shopify MagicBuilt into the admin · free on every plan
Choose Magic if you write a handful of descriptions a year.
- It’s already in your admin — zero setup, zero cost
- Perfectly decent for one-off, single-product rewrites
- Under ~20 products, you may not need an app at all — ours included
Their winFree · full stop
The rating columnOurs reads “earning ours”· Yodel holds 5.0★ (33)
Choose an older app if you need a wall of reviews first.
- We’re the newest app on this page — that column is real
- Credit where due: Yodel’s 5.0★ over 33 reviews is earned
- Or be an early one: honest reviews are steering our roadmap right now
Our gapTry us — tell the truth
WriteText.aiKeyword pipeline · $149/mo Pro· no Shopify reviews yet
Choose WriteText if you want every knob on the keyword pipeline.
- Advancement triggers — “move on after 30 days, or when it hits top 20”
- Intent filters and negative keywords on research and output
- People-Also-Ask blocks sourced from live Google questions
Their winPipeline control
Every claim above verified against each app’s live listing or official docs, 18 August 2026 — the losses too.
GET STARTED
Start Creating
High-Converting
Product Descriptions
MerchUp integrates seamlessly with your eCommerce platform.
Available now for Shopify, coming soon to Webflow, Wix, and WordPress.
AI-PoweredHigh-converting contentDrag & Drop EditorBuild with total flexibilityLive PreviewSee changes instantlyBuilt for ScaleDesigned for eCommerce