kitio.aiSiena AI vs ReplyAuto AI
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. ReplyAuto AI has the lower starting price: about $9 a month, against $750 for Siena AI.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Email, chat and social replies
- Shopify order actions
- Brand voice tuning
- Help desk integrations
- Sentiment insights
- Unified comment inbox
- Replies grounded in Shopify data
- Auto-reply mode
- Bulk actions
- Knowledge documents
| Feature | Siena AI | ReplyAuto AI |
|---|---|---|
| Best for | AI customer service agent built for direct-to-consumer brands | Drafts replies to Facebook and Instagram comments for Shopify stores |
| Category | Customer support | Customer support |
| Pricing model | Paid | Freemium |
| Starting price | $750/mo | $9/mo |
| Free plan | No | Yes |
| Made by | Siena AI | ReplyAuto AI |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
|
Pricing compared
ReplyAuto AI has the lower starting price: about $9 a month, against $750 for Siena AI.
Free plan
Cheapest paid plan
Top plan
Free trial
2 plans
Platform fee
$750/mo
- Core AI engine
- Unlimited sandbox
- Onboarding and Slack support
Automation Pack
$0.90 / ticket
- Pay per automated ticket
4 plans
Free
Free
- 500 replies per month
- 2 users
- Manual reply mode
Starter
$9/mo
- 5,000 replies per month
- 4 users
- 1 workspace
Growth
$19/mo
- 20,000 replies per month
- 2 workspaces
- Email support
Pro
$29/mo
- 45,000 replies per month
- 3 workspaces
- Unlimited users
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
Siena AI
- Built for DTC support patterns
- Good social channel coverage
- Works on top of existing desks
- Mainly fits e-commerce
- Pricing not public
- Depends on help desk integrations
ReplyAuto AI
- Answers use live product and policy data
- Low entry price
- Free plan needs no card
- Requires a Shopify store
- Covers only Facebook and Instagram
- Free plan is manual reply only
Which one should you choose?
Choose Siena AI if you want:
- Built for DTC support patterns
- Good social channel coverage
- Works on top of existing desks
Watch out: mainly fits e-commerce.
Choose ReplyAuto AI if you want:
- Answers use live product and policy data
- Low entry price
- Free plan needs no card
Watch out: requires a shopify store.
Siena AI vs ReplyAuto AI FAQ
What is the difference between Siena AI and ReplyAuto AI?
Siena AI: AI customer service agent built for direct-to-consumer brands. ReplyAuto AI: Drafts replies to Facebook and Instagram comments for Shopify stores. Both are customer support tools.
Is Siena AI or ReplyAuto AI cheaper?
ReplyAuto AI has the lower starting price: about $9 a month, against $750 for Siena AI.
Do Siena AI and ReplyAuto AI have free plans?
Siena AI: No. ReplyAuto AI: Yes.
Who makes Siena AI?
Siena AI is made by Siena AI.
Who makes ReplyAuto AI?
ReplyAuto AI is made by ReplyAuto AI.
Which should I choose, Siena AI or ReplyAuto AI?
Choose Siena AI if you value built for dtc support patterns and good social channel coverage. Choose ReplyAuto AI if you value answers use live product and policy data and low entry price.