kitio.aiBigCommerce vs Shopify Sidekick
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. BigCommerce starts at $39/mo and Shopify Sidekick starts at $39/mo. Check both pricing pages for current plans.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Hosted online storefront
- AI chat assistant
- 1,200+ apps
- Product feed management
- Multi-storefront support
- Store migration help
- Store data questions
- Product description writing
- Flow automation builder
- Reports and analytics
- Custom app generation
| Feature | BigCommerce | Shopify Sidekick |
|---|---|---|
| Best for | Online store platform with an AI chat assistant for merchants | AI commerce assistant built into the Shopify admin |
| Category | Legal, finance & HR | Legal, finance & HR |
| Pricing model | Free trial | Free trial |
| Starting price | $39/mo | $39/mo |
| Free plan | No, trial available | No, 3-day trial |
| Made by | BigCommerce | Shopify |
| Based in | United States | Canada |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
BigCommerce starts at $39/mo and Shopify Sidekick starts at $39/mo. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
4 plans
Core
$39/mo
- Up to $30K annual sales
- 2.0% open payment fee
- 24/7 chat and email support
Growth
$105/mo
- Up to $100K annual sales
- 1.0% open payment fee
- 24/7 phone and chat support
Scale
$399/mo
- $33,333 monthly sales cap
- 0.6% open payment fee
- 0.9% on sales above the cap
Performance
From $1,499/mo billed yearly
- Custom sales cap
- Dedicated customer success manager
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
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
BigCommerce
- Sales-volume tiers suit growing stores
- Large app marketplace
- Migration help from other platforms
- Plans auto-upgrade when sales pass the cap
- Extra storefronts cost more each month
- AI assistant details are limited
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
Which one should you choose?
Choose BigCommerce if you want:
- Sales-volume tiers suit growing stores
- Large app marketplace
- Migration help from other platforms
Watch out: plans auto-upgrade when sales pass the cap.
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.
BigCommerce vs Shopify Sidekick FAQ
What is the difference between BigCommerce and Shopify Sidekick?
BigCommerce: Online store platform with an AI chat assistant for merchants. Shopify Sidekick: AI commerce assistant built into the Shopify admin. Both are legal, finance & hr tools.
Is BigCommerce or Shopify Sidekick cheaper?
BigCommerce starts at $39/mo and Shopify Sidekick starts at $39/mo. Check both pricing pages for current plans.
Do BigCommerce and Shopify Sidekick have free plans?
BigCommerce: No, trial available. Shopify Sidekick: No, 3-day trial.
Who makes BigCommerce?
BigCommerce is made by BigCommerce, based in United States.
Who makes Shopify Sidekick?
Shopify Sidekick is made by Shopify, based in Canada.
Which should I choose, BigCommerce or Shopify Sidekick?
Choose BigCommerce if you value sales-volume tiers suit growing stores and large app marketplace. Choose Shopify Sidekick if you value included with shopify plans and uses live store data.