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iSpeech

ispeech.org

From $0.25/mo Free plan Open source WebWindowsmacOSLinuxiOSAndroid
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Spec score 9.2 #6 of 223 in Text-to-Speech Software

What it is

iSpeech provides text-to-speech and automated speech recognition through APIs, SDKs, and online tools. Its speech API can synthesize audio with multiple voices, formats, bitrates, frequencies, and playback speeds, and supports MathML and SSML. The API can also transcribe submitted audio across multiple languages and recognition models; iSpeech says custom models can be created. The homepage lists support for more than 30 languages. Audio downloads are available in AIFF, MP3, OGG, WMA, FLAC, WAV, A-law, μ-law, VOX, and MP4 formats. Listed access includes Android, iOS, Linux, macOS, web, Windows, API, and extension. The Basic plan is free for personal use, and commercial use is listed as available. Plus costs $2.95 a month, billed monthly, and includes 30-minute recordings, approximately 4,167 words. Premium costs $3.95 a month, billed monthly, with 12-hour recordings, approximately 100,000 words. Pay Per Use costs $50 a month for dynamic TTS usage only and includes 2,000 credits. Pay Per Install costs $0.25 a month and has a 10,000-install minimum.

Spec sheet

What it does
iSpeech provides cloud text-to-speech and automated speech-recognition services that turn text into audio or submitted audio into transcriptions.Read 14 Oct 2026 · ispeech.org
Product
iSpeech provides text-to-speech and automated speech recognition services through APIs, SDKs, and online tools.Read 11 Oct 2026 · ispeech.org
Platforms
web,ios,android,apiRead 20 Sep 2026 · ispeech.org
Free plan
YesRead 20 Sep 2026 · ispeech.org
Paid from
2.95Read 20 Sep 2026 · ispeech.org
Security
The privacy policy says iSpeech uses commercially reasonable physical, managerial, and technical safeguards, while stating it cannot warrant the security of transmitted information.Read 11 Oct 2026 · ispeech.org
Support
The developer pricing page lists priority technical support with purchases; the API guide directs support requests to [email protected].Read 11 Oct 2026 · ispeech.org
Headquarters
The company lists Newark, New Jersey as headquarters and San Francisco as an additional office.Read 14 Oct 2026 · ispeech.org
Company
iSpeech describes itself as a privately held company headquartered in Newark, New Jersey, with an office in San Francisco, California.Read 11 Oct 2026 · ispeech.org
Android app update
Google Play lists the iSpeech-Text to Speech app as updated on July 9, 2025.Read 14 Oct 2026 · play.google.com
API access
API access requires an API key, with mobile development, mobile production, and web/general production key types.Read 11 Oct 2026 · ispeech.org
API authentication
Every API call requires an API key obtained through a registered developer account.Read 14 Oct 2026 · ispeech.org
API protocols
Requests can use HTTP GET or POST with URL-encoded, JSON or XML payloads and responses.Read 14 Oct 2026 · ispeech.org
Audio downloads
The audio creation page offers downloads in WAV, MP3, OGG, WMA, AIFF, A-law, μ-law, VOX, and MP4 formats.Read 11 Oct 2026 · ispeech.org
Audiobook workflow
The publisher tool converts PDF textbook files into customized audio and supports pronunciation changes and 30-plus languages.Read 14 Oct 2026 · ispeech.org
Capterra ease-of-use score
Capterra lists an ease-of-use score of 4.7 out of 5 for iSpeech Translator.Read 14 Oct 2026 · capterra.com
Capterra trial listing
Capterra says a free trial is not available and directs buyers to contact the vendor for pricing.Read 14 Oct 2026 · capterra.com
Commercial use
YesRead 20 Sep 2026 · ispeech.org
Company legal status
iSpeech identifies itself as a privately held company called iSpeech, Inc.Read 14 Oct 2026 · ispeech.org
Company scale claim
LinkedIn says iSpeech has more than 30 million app downloads, 25,000-plus developers and billions of API calls.Read 14 Oct 2026 · linkedin.com
Developer support
The developer guide directs users to email support and lists weekday sales phone support during Eastern Time business hours.Read 14 Oct 2026 · ispeech.org
Developer tools
The API guide lists SDK availability for iPhone, Android, BlackBerry, .NET, Java, PHP, Flash, JavaScript, Ruby, Python, and Perl.Read 11 Oct 2026 · ispeech.org
eLearning features
The eLearning offering includes confidence scores for speaking practice, real-time word highlighting and voice interactions in mobile apps.Read 14 Oct 2026 · ispeech.org
Export formats
aiff,mp3,ogg,wma,flac,wav,alaw,ulaw,vox,mp4Read 20 Sep 2026 · ispeech.org
Founded and size
LinkedIn lists iSpeech, Inc. as founded in 2007 with 11–50 employees.Read 14 Oct 2026 · linkedin.com
Google Play data safety
The Android listing says no data is shared with third parties, data is encrypted in transit and the app may collect personal information, messages and three other data types.Read 14 Oct 2026 · play.google.com
Hosted service
The publisher documentation describes the TTS service as cloud based and requiring no hardware or software installation.Read 14 Oct 2026 · ispeech.org
Languages
The homepage says the Speech API supports text-to-speech and speech recognition in more than 30 languages.Read 11 Oct 2026 · ispeech.org
Limit: Android support response
A Google Play reviewer says support did not answer questions and that changing voices made it difficult to restore the original voice.Read 14 Oct 2026 · play.google.com
Limit: mobile translator
A G2 reviewer reports missing voice input/output for some languages, freezes during conversion and an awkward keyboard workflow in the mobile app.Read 14 Oct 2026 · g2.com
Limit: paid microphone uses
An App Store reviewer complains that voice recognition failed for Japanese and required buying additional microphone uses after only a few attempts.Read 14 Oct 2026 · apps.apple.com
Limit: recognition accuracy
G2 reviewers report reduced accuracy in noisy environments and variation across languages and dialects.Read 14 Oct 2026 · g2.com
Markup support
The API accepts both Speech Synthesis Markup Language and MathML for text-to-speech requests.Read 14 Oct 2026 · ispeech.org
Open-source statement
The homepage describes the mobile text-to-speech and speech-recognition SDKs as open source, but no specific open-source license name is given.Read 14 Oct 2026 · ispeech.org
Position markers
The service can return XML timing data showing word boundaries in synthesized audio.Read 14 Oct 2026 · ispeech.org
Praise: integration and support
G2 reviewers repeatedly describe the API as easy to integrate, efficient at recognition and backed by helpful support.Read 14 Oct 2026 · g2.com
Praise: quick translation
An App Store reviewer praises the free app for quick written translations and spoken pronunciation output.Read 14 Oct 2026 · apps.apple.com
Publisher integration
Publishers can add a drop-in embed code that reads website content aloud without end-user installation.Read 14 Oct 2026 · ispeech.org
Rating on Apple App Store
4.0 out of 5 from 48 ratings for Translator - Voice to Voice Translation.Read 14 Oct 2026 · apps.apple.com
Rating on Capterra
4.2 out of 5 from 6 reviewsRead 14 Oct 2026 · capterra.com
Rating on G2
4.5 out of 5 from 5 reviewsRead 14 Oct 2026 · g2.com
Rating on Google Play
2.3 out of 5 from 21 reviews for iSpeech-Text to Speech.Read 14 Oct 2026 · play.google.com
Recognition models
Speech recognition includes freeform modes, domain models such as assistant, dates, sports and phone numbers, plus custom models available through sales.Read 14 Oct 2026 · ispeech.org
SDK availability
Official SDK availability is listed for iPhone, Android, BlackBerry, .NET, Java server, PHP, Flash, JavaScript/Flash, Ruby, Python and Perl.Read 14 Oct 2026 · ispeech.org
SDKs and platforms
The developer guide lists support examples for iPhone, Android, BlackBerry, Java, .NET, JavaScript, and Flash/Flex/Air.Read 11 Oct 2026 · ispeech.org
Speech recognition
The API can transcribe submitted audio using multiple languages and recognition models, and iSpeech says it can create custom recognition models.Read 11 Oct 2026 · ispeech.org
Speech recognition languages
The API documentation lists standard recognition locales including English variants, Spanish, French, German, Italian, Portuguese, Chinese, Japanese, Korean, Dutch, Russian and Swedish.Read 14 Oct 2026 · ispeech.org
System requirement
The API requires an internet connection and follows standard HTTP behavior.Read 14 Oct 2026 · ispeech.org
Target users
iSpeech describes e-learning tools for educational mobile apps, educators, and schools, including spoken course materials and pronunciation practice.Read 11 Oct 2026 · ispeech.org
TTS languages
The company advertises natural text-to-speech in more than 30 languages.Read 14 Oct 2026 · ispeech.org
Usage limits
Developer pay-per-use pricing describes dynamic TTS usage only and asks customers to contact iSpeech about static use, caching, or downloading audio.Read 11 Oct 2026 · ispeech.org
Visemes
The API can return mouth-position timing data for animated or visual speech playback.Read 14 Oct 2026 · ispeech.org
Voice controls
TTS requests support selectable voices, audio formats, bitrates, frequencies, playback speed, pitch, padding and bit depth.Read 14 Oct 2026 · ispeech.org
Voice synthesis
The API supports spoken audio in multiple voices, formats, bitrates, frequencies, and playback speeds, as well as MathML and SSML.Read 11 Oct 2026 · ispeech.org
Web integration
The web quickstart provides GET and POST examples, cURL/AJAX usage and downloadable MP3 conversion tests.Read 14 Oct 2026 · ispeech.org

Plans and prices

Plus $2.95 a month billed monthly 30-minute recordings · Approximately 4,167 words Read 20 Sep 2026 · ispeech.org
Premium $3.95 a month billed monthly 12-hour recordings · Approximately 100,000 words Read 20 Sep 2026 · ispeech.org
Pay Per Use $50 a month Dynamic TTS usage only 2,000 credits Read 20 Sep 2026 · ispeech.org
Pay Per Install $0.25 a month First 10,000–100,000 installs; 10,000-install minimum 10,000-install minimum Read 20 Sep 2026 · ispeech.org
Basic Free always free As many files as you want · each file up to 1 min · non-commercial voices Read 11 Oct 2026 · ispeech.org
Hacker Free Free Read 14 Oct 2026 · ispeech.org
Plus $2.95 a month as low as $2.95* As many files as you want · each file up to 30 min · non-commercial voices Read 11 Oct 2026 · ispeech.org
Premium $3.95 a month as low as $3.95* As many files as you want · each file up to 12 hours · non-commercial voices Read 11 Oct 2026 · ispeech.org
Junior $29 a month $29/mo Annual option $299/yr with 2 months free Read 14 Oct 2026 · ispeech.org
Pay-per-use 2,000 credits $50, paid once $50.00 1 credit equals 1 word or speech-recognition transaction Read 14 Oct 2026 · ispeech.org
Junior annual $299 a year $299/yr (2-month Free) Read 14 Oct 2026 · ispeech.org
Growth $399 a month $399/mo Annual option $3999/yr with 2 months free Read 14 Oct 2026 · ispeech.org

Every iSpeech plan and price →

Strong points and limits

Strong points

  • Offers both text-to-speech and speech recognition.
  • Supports more than 30 languages.
  • Provides API access and SDKs.
  • Lists ten audio export formats.
  • Free personal-use plan is available.

Limits

  • Basic plan is for personal use.
  • Pay Per Use covers dynamic TTS only.
  • Pay Per Install has a 10,000-install minimum.
  • Security of transmitted information is not warranted.

Who it suits

iSpeech may suit developers seeking speech synthesis or transcription through APIs and SDKs, as well as educators and schools creating spoken course materials or pronunciation practice. A free personal-use plan is listed alongside commercial use options.

Verdict

iSpeech combines speech synthesis, transcription, APIs, and downloadable audio across a broad set of listed platforms. Buyers should check the usage terms for their needs, especially for commercial, cached, or downloaded audio.

Where Specifiction places it

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