KaiCalls vs Simple Phones
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. KaiCalls has the lower starting price: about $10 a month, against $97 for Simple Phones.
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
- Inbound call answering
- Outbound calling
- Call logs with transcripts
- Website and FAQ crawling
- Call routing and alerts
| Feature | KaiCalls | Simple Phones |
|---|---|---|
| Best for | Business phone line with an AI receptionist that answers calls | AI phone agent that answers and returns your missed calls |
| Category | Customer support | Customer support |
| Pricing model | Paid | Free trial |
| Starting price | $10/mo | $97/mo |
| Free plan | No | No, 14-day trial |
| Made by | KaiCalls | Simple Phones |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
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Pricing compared
KaiCalls has the lower starting price: about $10 a month, against $97 for Simple Phones.
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
Prices in USD, checked Oct 29, 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
Simple Phones
- Live demo number to try before signing up
- No long-term commitment
- Call transcripts and logs
- Plans start at $97 for 100 calls
- Overage and call limits apply
- Integrations with CRMs are not listed in detail
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 Simple Phones if you want:
- Live demo number to try before signing up
- No long-term commitment
- Call transcripts and logs
Watch out: plans start at $97 for 100 calls.
KaiCalls vs Simple Phones FAQ
What is the difference between KaiCalls and Simple Phones?
KaiCalls: Business phone line with an AI receptionist that answers calls. Simple Phones: AI phone agent that answers and returns your missed calls. Both are customer support tools.
Is KaiCalls or Simple Phones cheaper?
KaiCalls has the lower starting price: about $10 a month, against $97 for Simple Phones.
Do KaiCalls and Simple Phones have free plans?
KaiCalls: No. Simple Phones: No, 14-day trial.
Who makes KaiCalls?
KaiCalls is made by KaiCalls.
Who makes Simple Phones?
Simple Phones is made by Simple Phones.
Which should I choose, KaiCalls or Simple Phones?
Choose KaiCalls if you value low entry price and keep your existing number. Choose Simple Phones if you value live demo number to try before signing up and no long-term commitment.