iSpeech TTS & Speech API vs Synthflow AI Voice Agent Platform

Comparing the features of iSpeech TTS & Speech API to Synthflow AI Voice Agent Platform

Feature
iSpeech TTS & Speech API
Synthflow AI Voice Agent Platform

Capability Features

API Requests per Month
100000000
Automatic Scalability
Available 24/7
Cloud and Embedded TTS
Consistent Quality
Create Custom Actions
Create IVR Prompts
Create Tickets
Custom Voice Cloning
Custom Workflow Automation
Data Managed In-House
Developer Signups
80000
GDPR Compliance
HIPAA Compliance
Human Agent Escalation
Human-like Voices
Industry Compliance
SOC2HIPAAGDPRPCI DSS
Industry Templates
Real EstateE-CommerceHealthcareBankingCustomer SupportCall CentersAppointment SchedulingEducationSalesRecruitment
Integrated Help Center
IVR Capability
Knowledgebase Integration
Launch Time
under 21 days
Multilingual Agents
Natural Language Understanding
No Code Required
No Engineering Required
No-Code Call Flow Design
Open Source SDKs
Payment Processing
PCI DSS Certification
Penetration and Unit Testing
Personalized Interactions
Prebuilt Agent Templates
Real-time Appointment Booking
SDK Availability
Send SMS
Send Test Calls
SOC 2 Compliance
Speech Rate Adjustment
SlowRegularFast
Speech Recognition
Strict Guardrails (No Hallucinations)
Sub-500ms Latency
<500ms
Supported Language List
US EnglishUK EnglishAustralian EnglishUS SpanishChineseHong Kong ChineseTaiwan ChineseJapaneseKoreanCanadian EnglishHungarianBrazilian PortugueseEuropean PortugueseEuropean SpanishEuropean CzechEuropean DanishEuropean FinnishEuropean FrenchEuropean NorwegianEuropean DutchEuropean PolishEuropean ItalianEuropean TurkishEuropean GreekEuropean GermanRussianSwedishCanadian FrenchArabic
Talking Stickers
Text to Speech
Track Orders
Upload Files
Uptime Guarantee
99.9%
Warm Transfer
Web Content Import

Integration Features

200+ Integrations Supported
200
API Integrations
Audiobook Support
Calendar Integrations
Chrome Extension
Connected Vehicle Integration
CRM Integration
SalesforceHubSpotZendesk
Helpdesk Integrations
FreshdeskServiceNowJira
Mobile Integration
SAPI Integration
Telephony Integrations
GenesysTwilioAvayaFive9RingCentralNICE
Telephony via SIP Trunking
Webhook Integration
Zapier Supported Apps

Limitation Features

Demo Limitation
Demo is simplified; full editing requires platform access
Registration Required for Downloads
TTS for Non-Commercial Use Only

Pricing Features

Free Tier
Free Trial Package
IVR Prompts Free Sample
No Add-Ons or Surprise Fees
Pay Per Minute Pricing
$0.08/min