kitio.aiShopify Sidekick vs onefit.ai
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. onefit.ai has the lower starting price: about $24 a month, against $39 for Shopify Sidekick.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Store data questions
- Product description writing
- Flow automation builder
- Reports and analytics
- Custom app generation
- Phone-based foot scan
- Brand-specific size advice
- Shopify plugin
- Millimetre measurements
- Size charts
| Feature | Shopify Sidekick | onefit.ai |
|---|---|---|
| Best for | AI commerce assistant built into the Shopify admin | Shopify plugin that recommends shoe sizes from a phone foot scan |
| Category | Legal, finance & HR | Legal, finance & HR |
| Pricing model | Free trial | Freemium |
| Starting price | $39/mo | $24/mo |
| Free plan | No, 3-day trial | Yes |
| Made by | Shopify | Hin Man Technology Ltd |
| Based in | Canada | United Kingdom |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
onefit.ai has the lower starting price: about $24 a month, against $39 for Shopify Sidekick.
Free plan
Cheapest paid plan
Top plan
Free trial
4 plans
Basic
$39/mo
- Sidekick AI assistant included
- For solo entrepreneurs
- 2% 3rd-party payment fee
Grow
$105/mo
- Everything in Basic
- Up to 5 staff accounts
- 1% 3rd-party payment fee
Advanced
$399/mo
- Everything in Grow
- Up to 15 staff accounts
- Live 3rd-party shipping rates
Plus
From $2,300/mo
- Unlimited staff accounts
- Fully customizable checkout
- 0.2% 3rd-party payment fee
4 plans
Starter
Free
- 10 foot scans a month
- $1.00 per extra scan
Launch
$24/mo
- 40 foot scans a month
- $0.75 per extra scan
Growth
$95/mo
- 170 foot scans a month
- $0.60 per extra scan
Scale
$475/mo
- 1,000 foot scans a month
- $0.50 per extra scan
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Shopify Sidekick
- Included with Shopify plans
- Uses live store data
- Reviews changes before applying
- Only works for Shopify stores
- Complex tasks still need apps
- Answers can be generic
onefit.ai
- Free tier to test on your store
- Handles brand sizing differences
- Quick install on Shopify
- Requires a Shopify store
- Only covers footwear
- Per-scan charges add up
Which one should you choose?
Choose Shopify Sidekick if you want:
- Included with Shopify plans
- Uses live store data
- Reviews changes before applying
Watch out: only works for shopify stores.
Choose onefit.ai if you want:
- Free tier to test on your store
- Handles brand sizing differences
- Quick install on Shopify
Watch out: requires a shopify store.
Shopify Sidekick vs onefit.ai FAQ
What is the difference between Shopify Sidekick and onefit.ai?
Shopify Sidekick: AI commerce assistant built into the Shopify admin. onefit.ai: Shopify plugin that recommends shoe sizes from a phone foot scan. Both are legal, finance & hr tools.
Is Shopify Sidekick or onefit.ai cheaper?
onefit.ai has the lower starting price: about $24 a month, against $39 for Shopify Sidekick.
Do Shopify Sidekick and onefit.ai have free plans?
Shopify Sidekick: No, 3-day trial. onefit.ai: Yes.
Who makes Shopify Sidekick?
Shopify Sidekick is made by Shopify, based in Canada.
Who makes onefit.ai?
onefit.ai is made by Hin Man Technology Ltd, based in United Kingdom.
Which should I choose, Shopify Sidekick or onefit.ai?
Choose Shopify Sidekick if you value included with shopify plans and uses live store data. Choose onefit.ai if you value free tier to test on your store and handles brand sizing differences.