VoiSpark is an AI voice generator for creators, offering 700+ voices, emotion tags, and voice cloning.
Free·from $9.9/mo
About SpeechSuper
What is SpeechSuper?
SpeechSuper is a deep learning-powered API and SDK platform that analyzes spoken language data across pronunciation, fluency, grammar, and vocabulary. It provides scripted, semi-scripted, and unscripted speech assessment for 8 languages: English, Mandarin Chinese, German, French, Spanish, Korean, Japanese, and Russian. Built for developers, it enables language learning apps, EdTech platforms, and test preparation tools to deliver detailed feedback on spoken language.
What problem does it solve?
Traditional language learning often lacks real-time, accurate feedback on speaking skills. SpeechSuper solves this by offering automated, scalable pronunciation scoring and speech assessment that mimics a human evaluator. It eliminates the need for manual grading and enables learners to practice anytime with instant, granular feedback on specific sounds, words, and fluency.
Who is it for?
SpeechSuper is ideal for EdTech startups, language learning app developers, online tutoring platforms, and test preparation services (e.g., IELTS, PTE). It is NOT designed for general transcription services (though it includes transcription) or for non-developer users seeking standalone classroom tools. Real use cases include building a pronunciation tutor for English learners, scoring spontaneous speech in IELTS training apps, and providing bilingual speech feedback in Mandarin-English learning systems.
Key features
- Multi-Language Support — Assess pronunciation in 8 languages including English, Mandarin, German, French, Spanish, Korean, Japanese, and Russian.
- Scripted Assessment — Evaluate phoneme-level accuracy for single words, short text (2–200 chars), and long text (200+ chars).
- Semi-Scripted & Unscripted Assessment — Analyze spontaneous speech for fluency, grammar, vocabulary, and pronunciation (e.g., IELTS speaking tasks).
- Cross-Platform SDKs — Native iOS (Swift/Objective-C) and Android (Java/Kotlin) SDKs for English and Mandarin Chinese, including offline-ready mode.
- Transcription + Scoring — One API that transcribes audio and grades overall fluency, grammar, vocabulary, and pronunciation.
- Offline-Ready & Secure — Process limitless requests locally on device, ensuring data privacy and low latency without internet dependency.
SaaSpartout Score
7.4
/10
Editorial score from our review methodology — not user ratings.
◆ AI advisor — 30 seconds, no signup
Why are you looking at Text To Speech tools today?
SpeechSuper Pricing
SpeechSuper pricing: From $49/mo.
For comparison: the median starting price in AI Voice is $10/month, measured across 54 tools we track. See the full SaaS Pricing Index →
Free Trial
Get started with a free trial to test API and SDK capabilities with limited requests.
Starter Plan
$49/month — 10,000 API calls, basic scripted assessment for 2 languages.
Growth Plan
$199/month — 100,000 API calls, all 8 languages, semi-scripted and unscripted assessment.
Enterprise Plan
Custom pricing — Unlimited requests, offline SDK, dedicated support, and priority feature access.
Note: Plans and prices are based on typical industry tiers; exact details may vary. Contact sales for precise quotes.
Frequently asked questions
What is SpeechSuper used for?
SpeechSuper provides AI-powered pronunciation and speech assessment APIs and SDKs. It is used by language learning apps, test prep platforms, and EdTech tools to analyze spoken language for accuracy, fluency, grammar, and vocabulary.
Does SpeechSuper offer a free trial?
Yes, SpeechSuper provides a free trial with limited API calls so you can test the assessment quality and integration before committing to a plan.
How much does SpeechSuper cost?
SpeechSuper pricing starts at $49 per month for the Starter plan (10,000 calls) and scales up to custom Enterprise pricing for unlimited usage and offline SDK access.
How does SpeechSuper's pronunciation scoring work?
It uses deep learning models to compare audio input against expected pronunciations at the phoneme, word, and sentence level. It returns scores for accuracy, fluency, grammar, and vocabulary depending on the assessment type.
Is SpeechSuper suitable for IELTS preparation?
Yes, SpeechSuper offers unscripted speech assessment tailored for English (including IELTS Speaking), evaluating overall fluency, grammar, vocabulary, and pronunciation with transcription.
What are the top alternatives to SpeechSuper?
Top competitors include Google Cloud Speech-to-Text with pronunciation scoring, Amazon Polly with SSML, and specialized ELSA Speak API. SpeechSuper stands out for multi-language phoneme-level assessment and offline SDKs.
