kitio.aiKaiCalls vs subba
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. KaiCalls starts at $10/mo and subba starts at See pricing page. Check both pricing pages for current plans.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- AI call answering
- Appointment booking
- Outbound callbacks
- Texts and WhatsApp inbox
- Meeting notes
- Phone and chat answering
- Diary booking
- Deposit and payment collection
- Text confirmations
- Optional website
| Feature | KaiCalls | subba |
|---|---|---|
| Best for | Business phone line with an AI receptionist that answers calls | AI receptionist that answers calls and chats and books appointments |
| Category | Customer support | Customer support |
| Pricing model | Paid | Free trial |
| Starting price | $10/mo | See pricing page |
| Free plan | No | No, 30-day trial |
| Made by | KaiCalls | subba |
| Based in | – | United Kingdom |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
KaiCalls starts at $10/mo and subba starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Kai Backup
$10/mo
- About 20 answered calls
- 48 call minutes
- 1 phone number
Kai Line
$79/mo
- About 170 answered calls
- 408 call minutes
- 1 hour of meeting notes
Kai Office
$349/mo
- 3 office phone lines
- Desk phone support
3 plans
Starter
£9.99/mo
- 50 AI enquiries a month
- Unlimited bookings
- Email support
Pro
£49.99/mo
- 300 AI enquiries a month
- Hosting if you add a website
Studio
£99.99/mo
- 750 AI enquiries a month
- For multi-location businesses
Prices in USD, checked Nov 5, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
KaiCalls
- Low entry price
- Keep your existing number
- No per-minute overage
- Texting needs a separate registration fee
- Cheapest plan covers about 20 calls
- Office plan is costly
subba
- Unlimited bookings on every plan
- Low entry price
- Covers calls, chat and forms
- Prices only shown in pounds
- Texts and calls cost extra
- Aimed at UK-style local businesses
Which one should you choose?
Choose KaiCalls if you want:
- Low entry price
- Keep your existing number
- No per-minute overage
Watch out: texting needs a separate registration fee.
Choose subba if you want:
- Unlimited bookings on every plan
- Low entry price
- Covers calls, chat and forms
Watch out: prices only shown in pounds.
KaiCalls vs subba FAQ
What is the difference between KaiCalls and subba?
KaiCalls: Business phone line with an AI receptionist that answers calls. subba: AI receptionist that answers calls and chats and books appointments. Both are customer support tools.
Is KaiCalls or subba cheaper?
KaiCalls starts at $10/mo and subba starts at See pricing page. Check both pricing pages for current plans.
Do KaiCalls and subba have free plans?
KaiCalls: No. subba: No, 30-day trial.
Who makes KaiCalls?
KaiCalls is made by KaiCalls.
Who makes subba?
subba is made by subba, based in United Kingdom.
Which should I choose, KaiCalls or subba?
Choose KaiCalls if you value low entry price and keep your existing number. Choose subba if you value unlimited bookings on every plan and low entry price.