Synthflow sells AI voice agents to contact centers, BPOs and multi-location brands, on an annual enterprise agreement that works inside their phone systems. Kojo is a growth agency that installs and runs Kojo OS for you, and can run your ads, SEO and website too.
Feature and pricing breakdown
Features
Kojo OS
Synthflow
Core approach
A growth agency that installs and runs Kojo OS for you
Enterprise voice AI for contact centers, BPOs and multi-location brands
Ease of launch
Kojo builds, tests and launches it; you approve the voice and scripts first
Sales-led enterprise rollout with forward-deployed engineers
New-lead follow-up
Texted instantly, called within minutes, followed up until they book or say stop
Makes outbound calls and sends text follow-ups to qualify leads
Telephony
Local numbers in your name, signed calls, live transfer with hold music
Keep your numbers and carrier; SIP through enterprise setup; transcript handoff
Dialer for your team
Power dialer, voicemail drop and live transfer for your own reps
Not stated
Analytics
Speed to lead and booking dashboards; every call recorded and summarized
Per-call technical traces and quality scores; dashboards not described
Ads
Meta and Google campaigns built in, when your plan includes ads
Not stated
Compliance
SOC 2 Type II hosting, encryption, signed calls and TCPA consent
Lists SOC 2 Type II, ISO 27001 and PCI; HIPAA with a BAA, self-attested
Pricing
One package, terms in writing; ads and add-ons depend on your plan
Annual enterprise agreement; no per-minute rate
User experience
Ask in plain words in Slack, Claude or ChatGPT; one app for every lead
Sales-led, with 200+ integrations, APIs and webhooks
Everything about Synthflow is from its own public website (synthflow.ai) as of November 8, 2026. "Not stated" means its site did not say, not that it can't. Product names are trademarks of their owners; Kojo Growth is not affiliated with Synthflow. Features and plans change, so check their site before you decide.
Run a contact center or BPO and need the agent inside your phone system
Need enterprise procurement terms, a security review and white-label for your clients
Have many locations and want engineers to build and test the rollout with you
Pick Kojo when you:
Are a local business, not a contact center or BPO
Want the same team able to run your ads, SEO and website
Want texting, email, a power dialer and CRM sync in one managed system
Want to start without an annual enterprise contract
Questions owners ask
How is Synthflow priced?
Its pricing page says it is sold as an annual enterprise agreement scoped to call volume, phone system, integrations, security needs and launch support. It lists no free plan, no trial and no rate by the minute.
Does Synthflow work with my phone system?
Its home page says you keep your numbers and carrier. It lists built-in connections for several business phone systems and carriers, and other SIP-compatible systems connect through an enterprise setup.
What compliance does Synthflow list?
Its home page lists SOC 2 Type II audited, ISO/IEC 27001 certified, PCI DSS compliant and HIPAA with a signed BAA. Its pricing page describes HIPAA as self-attested, so check its trust center.