The spec sheet

Extracted from Synthflow AI's own site and policies — “Not published” means we looked and it isn't there.

Free trial

✓ Free trial

Starting price

Free plan

FAQ states you can build an AI agent for free, but enterprise pricing is not publicly listed; site offers demo requests and an ROI calculato

Refund policy

⚠ Not published

Privacy & your data

Policy published

Footer references a German data protection authority contact (Berlin Datenschutz); specific data training/deletion practices not detailed in sources.

Support

Not stated

Company

Founded 2023

Best for: Large enterprises (BPO, healthcare, financial services, retail) needing reliable low-latency voice AI integrated with existing telephony systems

Standout: In-house telephony network claiming sub-100ms latency and 99.99% uptime without replacing existing SIP/PBX setups

Synthflow AI vs. its closest rivals

Top-scored alternatives in AI Voice Agent Platform.

Tool · TrustScore	Free trial	From	Refund	Privacy
Synthflow AI 8.5/10 ★ 4.1 (215)	✓ Free trial	Free plan	⚠ Not published	Policy published	Compare →
Luminar AI 9.5/10 ★ 4.6 (6839)	✓ Free trial	—	✓ 30 days	Policy published	Compare →
ArchiVinci 9.5/10 ★ 4.3 (10)	✓ Free trial · 3 free renders	Free plan	✓ Money-back guarantee	⚠ Not published	Compare →
Redraw 9.5/10 ★ 3.8 (2)	✓ Free trial · no card	$15/mo	✓ 7 days	⚠ Not published	Compare →
Aperty 9.5/10 ★ 3.8 (2)	✓ Free trial	$44/mo	✓ 14 days	Policy published	Compare →

What we actually verified

Our 5-point vetting, with evidence quotes from their own pages.

—Money-back guarantee verified

✓Free trial confirmed

“…omating conversations at any volume. Does Synthflow offer a free trial? Yes, you can start and build your AI agent for free using…”

✓Reachable human support

“…tenschutz und Informationsfreiheit”) Phone: 030 13889-0 Fax: 030 2155050 email: [email protected] In addition, you can c…”

✓No fine-print return traps

✓No unrealistic marketing claims

Vetted 2026-07-21 · How we compare →