Relyable vs iSpeech TTS & Speech API

Comparing the features of Relyable to iSpeech TTS & Speech API

Feature
Relyable
iSpeech TTS & Speech API

Capability Features

Analyze Metrics
API Requests per Month
100000000
Automated Monitoring
Automated Testing
Call Monitoring
Case Creation
Cloud and Embedded TTS
Create IVR Prompts
Custom Credit Packages
Custom Voice Cloning
Dedicated Servers / Regional Compliance
Developer Signups
80000
Direct Phone Support
Early Access to Features
Email Support
Industry Specific Features
Manage multiple time zonesBooking, Cancelling, ReschedulingStrict compliance requirementsEmergency Pathway DetectionBook Appointments & JobsQuotes & KB RetrievalDynamic Knowledge BasesLive Call TransfersInbound & Outbound Calls
Instant Notifications
Monitor Live Conversations
Open Source SDKs
Persona Creation
SDK Availability
Simulate Conversations
Slack Support
Speech Rate Adjustment
SlowRegularFast
Speech Recognition
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
Test Calls
Test Case Generation
Text to Speech
Voice Customization Options

Integration Features

API Integrations
Audiobook Support
Chrome Extension
Connected Vehicle Integration
Mobile Integration
Retell Integration
SAPI Integration
Slack Integration
Vapi Integration
Webhooks

Limitation Features

Enterprise Features Not in Lower Tiers
Dedicated ServersRegional ComplianceCustom Credit PackagesDirect Phone Support
No Free Tier
Registration Required for Downloads
Test Case & Sim Call Limits
Plan-specific limits
TTS for Non-Commercial Use Only

Pricing Features

Core Plan Monthly
$500/month
Core Plan Yearly
$5,000/year
Credits (Core Monthly)
50000
Credits (Core Yearly)
600000
Credits (Premium Monthly)
125000
Credits (Premium Yearly)
1500000
Enterprise Plan Price (Monthly)
Custom Pricing
Enterprise Plan Yearly
Custom Pricing
Free Credits
25000
Free Tier
IVR Prompts Free Sample
Live Call Evaluations Limit (Core Monthly)
10000
Live Call Evaluations Limit (Core Yearly)
120000
Live Call Evaluations Limit (Premium Monthly)
25000
Live Call Evaluations Limit (Premium Yearly)
300000
Premium Plan
$1,000/month
Premium Plan Yearly
$10,000/year
Simulated Calls Limit (Core Monthly)
750
Simulated Calls Limit (Core Yearly)
9000
Simulated Calls Limit (Premium Monthly)
1900
Simulated Calls Limit (Premium Yearly)
22800
Yearly Pricing Discount
15%