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Google Cloud Text-to-Speech vs iSpeech

Both stand on text-to-speech tools. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Google Cloud Text-to-Speech

Free plan AndroidAPIiPhone+1

Text-to-Speech offers a wide range of voices, formats, and synthesis controls through an API. Check the model-specific rates and free usage limits, and account for how input characters are counted.

Visit Google Cloud Text-to-Speech

iSpeech

Free plan Open source AndroidAPIExtension+5

iSpeech combines speech generation, transcription, APIs, SDKs, and downloadable audio formats. Its plan details distinguish personal use, recording allowances, and dynamic TTS usage, so buyers should match the option to their intended use.

Visit iSpeech

The facts

Google Cloud Text-to-SpeechiSpeech
Free planYesYes
Open sourceNoYes
Runs onAndroid, API, iPhone, WebAndroid, API, Extension, iPhone, Linux, Mac, Web, Windows
Lowest paid planSee the plansSee the plans
Plans published1413
MakerNot publishedNot published
Websitecloud.google.comispeech.org
On text-to-speech tools#8 of 232#4 of 232

Google Cloud Text-to-Speech: what it does well

  • More than 380 voices across 75-plus languages
  • Accepts text or SSML input
  • Supports REST and gRPC requests
  • Offers streaming audio synthesis
  • Includes multiple audio export formats

What to know first

  • Billing must be enabled
  • Input characters include spaces and newlines
  • Voice rates and free limits vary by model

iSpeech: what it does well

  • Supports both text-to-speech and speech recognition.
  • Homepage lists more than 30 languages.
  • Audio downloads include ten listed formats.
  • Commercial use and API access are available.
  • Developer tools list SDKs for multiple languages.

What to know first

  • Plus is limited to 30-minute recordings.
  • Pay Per Use covers dynamic TTS usage only.
  • Static use, caching, or audio downloads require contacting iSpeech.

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