iSpeech

by iSpeech

TTS + STT API with consumer text-reader apps.

TL;DR

TTS + STT API with consumer text-reader apps.

Best for app developers wanting a single API for both TTS and ASR with a free dev tier. Pricing: freemium — API per-request, consumer apps free.

Category
Transcription APIs
License
—
Stars
—
Last push
—
Pricing
freemium — API per-request, consumer apps free
Platforms
Web, API, iOS, Android

What it is

iSpeech is a long-running US TTS / ASR API vendor with consumer reader apps. Free developer tier; mobile SDKs for iOS and Android. Consent posture: synthetic voices only.

Best for: App developers wanting a single API for both TTS and ASR with a free dev tier.
Watch out for: Synthetic voices only; older quality next to neural-TTS vendors.

Install / use

ispeech.org

Features

Speaker diarizationNo
Word-level timestampsNo
Streaming / real-timeNo
Languages supported27
HIPAA eligibleNo

iSpeech vs Whipscribe

FeatureiSpeechWhipscribe
CategoryTranscription APIsTranscription APIs
Pricingfreemium — API per-request, consumer apps freefree beta
Speaker diarization—Yes
Word timestamps—Yes
Streaming—No
Languages2799
PlatformsWeb, API, iOS, AndroidWeb, API, MCP

Alternatives to iSpeech

OpenAI Whisper API
OpenAI

Hosted Whisper large-v3 from OpenAI — $0.006 per minute.

$0.006/min
AssemblyAI
AssemblyAI

Universal-2 model + diarization, PII redaction, topic detection, summarization.

from $0.37/hr
Deepgram
Deepgram

Nova-2 model, excellent streaming, strong at conversational audio.

from $0.0043/min

Whipscribe is a managed faster-whisper + whisperX service. If you want transcripts without running infrastructure, paste a URL or drop a file in the form below — you'll have a transcript in seconds.