iSpeech

iSpeech provides text-to-speech and automated speech recognition through APIs, SDKs, and online tools. Its speech API generates spoken audio in multiple voices, formats, bitrates, frequencies, and playback speeds, with MathML and SSML support. The API can transcribe submitted audio across multiple languages and recognition models, and iSpeech says custom recognition models can be created. The homepage lists support for more than 30 languages. Audio downloads include AIFF, MP3, OGG, WMA, FLAC, WAV, A-law, μ-law, VOX, and MP4. Listed platforms include Android, iOS, Linux, macOS, web, and Windows, as well as API and extension access. A free personal-use plan is available, and commercial use is listed. Plus costs $2.95 a month, billed monthly, and Premium costs $3.95 a month, billed monthly. Other listed options include Pay Per Use at $50 a month for dynamic TTS usage only and Pay Per Install at $0.25 a month with a 10,000-install minimum. iSpeech also describes applications in education, including spoken course materials and pronunciation practice.

iSpeech combines speech generation and recognition with API, SDK, and online-tool access. Its options include a free personal plan and paid plans, with usage restrictions noted for some billing models.

iSpeech suits developers seeking speech APIs or SDKs and users who need text-to-speech or audio transcription. Its stated education uses include mobile learning apps, spoken course materials, and pronunciation practice.

iSpeech is a speech technology service for generating audio and transcribing submitted recordings. It suits developers building speech into apps and education teams creating spoken course materials. Its mix of synthesis, recognition, and downloadable formats is broad, though the gap between personal-plan quotas and developer pricing can make costs harder to compare.

Overview

iSpeech provides text-to-speech and automated speech recognition through APIs, SDKs, and online tools. The Speech API supports more than 30 languages, which gives multilingual projects a wider base than a single-language voice tool. Commercial use and API access are supported, making it viable for products as well as personal audio work.

Key features

• Configurable voice synthesis: The API offers multiple voices, formats, bitrates, frequencies, and playback speeds, with MathML and SSML support. That level of control is useful when developers need speech to fit an application or render structured text; casual users may not need the extra options.
• Speech recognition: iSpeech transcribes submitted audio using multiple languages and recognition models, and says it can create custom models. This makes it a stronger fit for products that need transcription alongside generated speech than for workflows focused only on reading text aloud.
• Audio downloads: Downloads include WAV, MP3, OGG, WMA, AIFF, A-law, μ-law, VOX, and MP4. The range helps when a project needs a particular audio format, though the download options do not by themselves clarify how developer usage is billed.
• Developer access: SDK and API guide examples cover platforms and languages including iPhone, Android, BlackBerry, .NET, Java, PHP, JavaScript, Ruby, Python, Perl, and Flash. This breadth gives teams several integration paths, while support for priority technical help is tied to purchases.

Pricing

The free Basic plan is for personal use, so it is a low-commitment way to try iSpeech but not a commercial option. Plus costs $2.95 a month, billed monthly, and includes 30 minutes of recordings, approximately 4,167 words. Premium costs $3.95 a month, billed monthly, and raises that allowance to 12 hours of recordings, approximately 100,000 words. The small price increase makes Premium the more practical choice for regular audio creation; Plus is better for occasional, lower-volume use.

Developer pricing works differently. Pay Per Use costs $50 a month for 2,000 credits and covers dynamic TTS only. Static use, caching, or downloading audio requires contacting iSpeech, so teams should settle those terms before building a cost model around repeated or stored audio. Pay Per Install is priced at $0.25 a month for the first 10,000–100,000 installs, with a 10,000-install minimum; that minimum makes it a poor fit for a small launch.

Other plans include Hacker at no cost and Junior at $29 a month, with $29/mo or $299/yr (2-month Free) terms. Growth is $399 a month, with $399/mo or $3999/yr (2-month Free) terms. Elite (L33T) has custom pricing. The descriptions do not establish what these plans include, so they are difficult to compare with the recording quotas or developer usage options.

Platforms

iSpeech lists Android, iOS, Linux, macOS, Windows, web, extensions, and API access. The broad platform range suits teams targeting different device ecosystems, while the SDK examples also include BlackBerry and several programming environments.

Who it's for

iSpeech is most compelling for developers who need speech synthesis and recognition in one service, and for educators or schools making spoken course materials and pronunciation practice. It can also suit creators who need audio downloads in several formats. Someone who only wants a simple reading app may find the developer-oriented range unnecessary, while teams with substantial or stored-audio use need clear pricing terms before choosing a developer plan.

Pros and cons

• Pros: Speech generation and recognition sit under one service, which helps products that need both. More than 30 languages, configurable synthesis, and numerous download formats support varied projects. Commercial use and API access are supported.
• Cons: The free plan is personal-use only, and Plus and Premium cap recording length. Pay Per Use covers dynamic TTS only, with static use, caching, and downloads requiring a separate discussion. The Pay Per Install minimum starts at 10,000 installs.

Alternatives

Compare text-to-speech software if you want to survey the category before choosing a service.

• Adobe Firefly is another freemium option with a free plan that limits daily generations; its stated platform coverage includes Android, API, iOS, and web.
• TTSReader is a freemium alternative with a free plan and trial, and support across Android, API, extension, iOS, macOS, web, and Windows.
• Typecast offers a free plan with three projects, 3,000 lifetime credits, 1 GB of media storage, and 720p video exports; choose it when those project and export limits fit the work.
• IReadAll has a free plan with 100,000 reader characters per month, a 10-minute one-time audio trial, and 10 reader languages; it is suited to readers weighing those stated allowances.
• Local TTS - Voice Aloud Reader is an iOS-only option with 500 characters per note on its free plan and a $4.99 monthly Pro plan with unlimited text.
• LoudReader supports iOS and macOS, with a free plan that allows unlimited listening, library use, and individual book imports; its free voice access covers the first eight hours before switching to a free English voice selection.
• OpenVox has a free plan with 5,000 characters per day, Select & Read for 10,000 characters per day on PCs, three voice clones, and ten saved voice designs.
• Voice RSS offers a free allowance of 350 daily requests at 100 KB per request, or an Advanced plan at $5 a month for 1,000 daily requests.

Verdict

Choose iSpeech if your product or education workflow needs both speech generation and transcription, plus broad language, format, and integration support. Its strongest reason to buy is that combined capability; its main reason to look elsewhere is the separation between personal quotas and developer terms, especially when usage involves caching or downloaded audio.