Soniox named best-in-class STT for voice agents
Soniox App

Real-time translation app for travel in Spanish

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

mobileDownload on the App Store and Google Play

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

Speak your language, be understood in theirs in Spanish

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

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Connect with anyone

Have meaningful conversations with Spanish speakers regardless of the language barrier. No preparation needed.

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Travel, work, daily life

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

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Read translations live

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

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Cross-border collaboration

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

Translation that keeps up with conversation in Spanish

Soniox App translates as people speak, not after they finish. Handles Spanish across varieties like Castilian and Latin American Spanish.

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Two-way conversations

Speak Spanish while others speak their language. Soniox App translates both directions so everyone understands.

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60+ languages

Translate Spanish and 60+ other languages with natural conversation flow.

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Hear and read translations

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

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Multi-language groups

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

Spanish at a glance

Key facts about Spanish.

Español

native name

500 million

speakers worldwide

21

countries where spoken

Spanish is spoken in Spain, Mexico, Colombia, Argentina, Peru, Venezuela, Chile, Ecuador, Guatemala, Cuba, Bolivia, Dominican Republic, Honduras, Paraguay, El Salvador, Nicaragua, Costa Rica, Panama, Uruguay, Puerto Rico, and Equatorial Guinea. Soniox App is trained on real-world Spanish speech from multiple regions and accents.

Spanish 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 Spanish transcription compared to 8 other providers.

ProviderWER (Spanish)Accuracy
Soniox#15.3%94.7%
AssemblyAI7.1%92.9%
Speechmatics7.1%92.9%
ElevenLabs8.7%91.3%
Azure9.5%90.5%
Deepgram10.1%89.9%
AWS11.4%88.6%
Google14.4%85.6%
OpenAI14.5%85.5%

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

Soniox outperforms AssemblyAI, Speechmatics, ElevenLabs, Azure, Deepgram, AWS, Google, and OpenAI on Spanish 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 Spanish conversations live

App feature Smart Scribe
See Smart Scribe arrow_forward

Translator

Translate Spanish and 60+ other languages live

App feature Translator
See Translator arrow_forward

Voice Typing

Speak to type in Spanish

App feature Voice Typing
See Voice Typing arrow_forward

One app. Everything you do with voice in Spanish.

Get started free

Transcribe conversations in real time with Soniox.

mobileDownload on the App Store

Apple App StoreGoogle Store
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.

Spanish language trivia

Hola - that's how you say hello in Spanish.

History and background

  • history

    Spanish is the second most spoken language in the world by native speakers, after Mandarin Chinese.

  • history

    The first Spanish grammar was published in 1492 by Antonio de Nebrija — the first grammar of any modern European language.

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    Spanish is an official language in 20 countries across four continents.

Distinctive features

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    Spanish has an inverted question mark (¿) and exclamation mark (¡) at the beginning of sentences.

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    The "ñ" letter is distinctive to Spanish and represents a palatal nasal sound.

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    Spanish uses grammatical gender for all nouns and has a subjunctive mood used extensively in everyday speech.

Dialects and varieties

CastilianLatin American SpanishAndalusianRioplatenseCaribbean SpanishMexican Spanish

Official language in

SpainMexicoColombiaArgentinaPeruVenezuelaChileEcuadorGuatemalaCubaBoliviaDominican RepublicHondurasParaguayEl SalvadorNicaraguaCosta RicaPanamaUruguayEquatorial Guinea

Related languages we support

Frequently asked questions about Spanish real-time translation app for travel

Does Soniox App work for Spanish speakers across different countries?arrow_downward
Yes. Spanish is spoken across Spain, Mexico, Colombia, Argentina, Peru, Venezuela, and 15 more countries, and every region has its own accent, pace, and everyday vocabulary. Soniox App is trained on real-world Spanish speech from multiple regions, so it stays accurate whether you are at home or traveling to another Spanish-speaking country.
How well does Soniox App handle Spanish as it is actually spoken day to day?arrow_downward
Very well. Spanish has 500 million speakers across 21 countries, and it sounds noticeably different depending on where you are. Most tools are trained on one standardized accent and struggle the moment speech gets regional, fast, or casual. Soniox App is trained on real-world Spanish from multiple regions, so it stays accurate regardless of who is speaking or where they are from.
How accurate is Soniox for Spanish compared to other providers?arrow_downward
Soniox achieves a 5.3% word error rate for Spanish, outperforming AssemblyAI, Speechmatics, ElevenLabs, and 5 other providers in independent benchmarks. Lower word error rate means fewer mistakes in your transcripts.
What writing system does Spanish use?arrow_downward
Spanish is written in the Latin script. The script uses diacritical marks to convey additional phonetic information. Soniox App handles Spanish text natively, including all script-specific characters.
Does Soniox handle different Spanish dialects?arrow_downward
Spanish has several recognized varieties, including Castilian, Latin American Spanish, Andalusian, Rioplatense, and others. Soniox is trained on diverse Spanish speech data, so it handles regional variation and dialectal differences effectively.
What language family does Spanish belong to?arrow_downward
Spanish belongs to the Indo-European > Romance > Western Romance language family. Among the languages Soniox supports, related languages include Portuguese, French, Italian, Catalan, and Galician. Understanding these linguistic relationships helps Soniox deliver better accuracy across language families.
What is Soniox App?arrow_downward
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?arrow_downward
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?arrow_downward
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?arrow_downward
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?arrow_downward
Yes. Soniox App offers free usage to get started, with paid plans available for unlimited and advanced features.