Bolna Voice AI vs iSpeech TTS & Speech API

Comparing the features of Bolna Voice AI to iSpeech TTS & Speech API

Feature
Bolna Voice AI
iSpeech TTS & Speech API

Capability Features

24x7 AI Helpline
API Custom Payload
API Requests per Month
100000000
Bulk Calling at Scale
Cloud and Embedded TTS
Concurrent Calls Support
250+
Connect Any Model
ASRLLMTTS20+ models
Create IVR Prompts
Custom API Triggers
Custom Voice Cloning
Data Privacy & Residency
India / USA specific data residency, on-prep deployment
Developer Signups
80000
Human Agent Escalation
Human-in-the-Loop Labeling
Inbound and Outbound Calls
InboundOutbound
Indian Language Support
HindiHinglishTamilTeluguEnglish10+ Indian and Foreign Languages
Industry Use Cases
EcommerceEdTechHealth TechBFSIHospitality
Integrated Speech and Telephony
Latency
<300ms
Live Call Trigger
Model Switching
Multi-language Support
Natural Conversation
No-Code Agent Creation
Open Source SDKs
Prebuilt Templates
SDK Availability
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
Text to Speech
Workflow Integration
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Integration Features

Audiobook Support
Chrome Extension
Connected Vehicle Integration
Developer SDKs
PythonJavaScriptcURL
Mobile Integration
Public API
SAPI Integration
Workflow Automation Integrations
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Limitation Features

No Explicit Quotas or Limits
No File Format Support Listed
No Mention of Free Tier
No Public Pricing Listed
Registration Required for Downloads
TTS for Non-Commercial Use Only

Pricing Features

Enterprise Plan Available
Free Tier
IVR Prompts Free Sample