Soniox App

Real-time translation for language classes in Bulgarian

Soniox App translates speech in real time, word by word, across 60+ languages and is built for university students who work across language barriers. Conversations flow naturally with no waiting. Works with Bulgarian and 60+ other languages.

Download on the App Store and Google Play

Apple App StoreGoogle Play
Free to start, with free credits added every week.

Speak your language, be understood in theirs in Bulgarian

Language barriers slow down conversations and create misunderstandings. Soniox App removes them. Get seamless Bulgarian transcriptions today.

No interpreter needed

Soniox App works like a live voice interpreter, translating Bulgarian speech in real time between any supported languages.

Cross-border collaboration

Work with Bulgarian-speaking teams, clients, and partners without language getting in the way.

Travel, work, daily life

From traveling in Bulgarian-speaking countries to joining international meetings, Translator handles any situation where languages differ.

Read translations live

Bulgarian translations appear on screen in real time so both sides of the conversation can follow along.

Translation that keeps up with conversation in Bulgarian

Soniox App translates as people speak, not after they finish. Soniox App handles Bulgarian with professional-grade accuracy.

Hear and read translations

Bulgarian translations appear as text on screen so you can follow the conversation visually.

Zero delay

Translation happens as Bulgarian words are spoken — not sentence by sentence — so conversations feel natural.

No manual setup

Just start speaking Bulgarian. Soniox App detects the language and translates automatically without configuration.

Multi-language groups

Handle conversations mixing Bulgarian and other languages. Each participant sees translations in their language.

Bulgarian at a glance

Key facts about Bulgarian.

Български

native name

8 million

speakers worldwide

1

country where spoken

Bulgarian transcription accuracy

Soniox App is powered by next-gen speech AI model developed inhouse by Soniox. The table below shows how Soniox AI performs on Bulgarian transcription compared to 8 other providers.

ProviderWER (Bulgarian)Accuracy
Soniox#15.6%94.4%
Speechmatics9.2%90.8%
ElevenLabs9.4%90.6%
AWS10.8%89.2%
Azure13.9%86.1%
Google15.3%84.7%
OpenAI17.2%82.8%
Deepgram24.8%75.2%
AssemblyAI36.2%63.8%

Word error rate (WER) measures how many words a speech-to-text engine gets wrong. Lower is better.

Soniox outperforms Speechmatics, ElevenLabs, AWS, Azure, Google, OpenAI, Deepgram, and AssemblyAI on Bulgarian transcription accuracy.

Soniox App: The all-in-one AI speech toolkit

Smart Scribe, Translator, and Voice Typing cover three ways people work with speech.

Smart Scribe

Caption Bulgarian conversations live

App feature Smart Scribe
See Smart Scribe

Translator

Translate Bulgarian and 60+ other languages live

App feature Translator
See Translator

Voice Typing

Speak to type in Bulgarian

App feature Voice Typing
See Voice Typing

One app. Everything you do with voice in Bulgarian.

Get started free

Transcribe conversations in real time with Soniox.

Download on the App Store

Apple App StoreGoogle Play
Free to start, with free credits added every week.

Learn everything Soniox can do

Need more details? The Soniox Help Center provides complete documentation for the app, including guides, videos, screenshots, and feature walkthroughs.

Learn how to use Smart Scribe, Translator, Voice Typing, and more.

Explore the Help Center

Private by default

Soniox never stores your recordings and never uses your audio to train models. Everything is processed securely in real-time, then gone.

Bulgarian language trivia

Здравейте - that's how you say hello in Bulgarian.

History and background

  • The Cyrillic alphabet was developed in the First Bulgarian Empire in the 9th century.

  • Old Bulgarian (Old Church Slavonic) is the oldest documented Slavic language.

  • Bulgaria joined the European Union in 2007, making Bulgarian an official EU language.

Distinctive features

  • Bulgarian has almost entirely lost its case system, unlike most other Slavic languages.

  • It uses a definite article suffixed to the noun — a feature shared with Macedonian and Romanian but rare elsewhere in Slavic.

  • Bulgarian has a complex verbal system with renarrative mood, used to report unwitnessed events.

Dialects and varieties

Eastern BulgarianWestern Bulgarian

Official language in

Bulgaria

Related languages we support

Frequently asked questions about Bulgarian real-time translation for language classes

How well does Soniox App handle Bulgarian as it is actually spoken day to day?
Very well. Bulgarian has 8 million speakers, mostly in Bulgaria, and real-world Bulgarian is very different from the clean, slow speech most tools are trained on. Fast delivery, informal vocabulary, regional expressions, and overlapping voices in group settings are all things Soniox App is built to handle.
How accurate is Soniox for Bulgarian compared to other providers?
Soniox achieves a 5.6% word error rate for Bulgarian, outperforming Speechmatics, ElevenLabs, AWS, and 5 other providers in independent benchmarks. Lower word error rate means fewer mistakes in your transcripts.
What writing system does Bulgarian use?
Bulgarian is written in the Cyrillic script. Soniox App handles Bulgarian text natively, including all script-specific characters.
Does Soniox handle different Bulgarian dialects?
Bulgarian has several recognized varieties, including Eastern Bulgarian and Western Bulgarian. Soniox is trained on diverse Bulgarian speech data, so it handles regional variation and dialectal differences effectively.
What language family does Bulgarian belong to?
Bulgarian belongs to the Indo-European > Slavic > South Slavic language family. Among the languages Soniox supports, related languages include Macedonian and Serbian. Understanding these linguistic relationships helps Soniox deliver better accuracy across language families.
What is Soniox App?
Soniox App is a real-time speech app that turns spoken conversations into text and translations instantly. You can transcribe, translate, dictate, and summarize speech across 60+ languages — live, as people speak.
Does Soniox App provide real-time translation?
Yes. Soniox App translates speech word by word as it's spoken — without waiting for the end of a sentence — so conversations stay natural and uninterrupted.
Is Soniox App a voice interpreter?
Yes. Soniox App works like a live voice interpreter, showing instant translations on screen. It supports one-way and two-way conversations between any supported languages.
Is my audio or data stored?
No. Soniox App never stores your audio or uses it to train models. Text outputs are stored only to provide the service to you and are never used for model training.
Is Soniox App free to use?
Yes. Soniox App offers free usage to get started, with paid plans available for unlimited and advanced features.