Keybridge vs Langboard
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Keybridge
Translate text instantly within any app using a custom keyboard. Offers AI-powered translation with multiple modes and content generation features. Ideal for seamless communication across languages.
- In-app translation keyboard
- AI-powered translation
- Multiple translation modes
- AI content generation
- Tourist mode for conversations
- Clipboard translation
- Translation history
Read full descriptionHide full description
Keybridge brings real-time AI translation to every app on your iPhone. No copy-paste, no app switching — just type and translate, right from your keyboard. WORKS EVERYWHERE Keybridge is a custom keyboard that sits on top of your regular keyboard. Use it in Messages, WhatsApp, Email, Notes, Instagram, X — any app where you can type. Your original keyboard stays exactly the same; we just add a smart translation bar on top. HOW IT WORKS 1. Type your text in any app using your regular keyboard 2. Tap Translate on the Keybridge bar 3. Your text is instantly translated and replaced That simple. No extra steps, no complex interfaces. AI-POWERED TRANSLATION Every translation is powered by advanced AI models — delivering natural, context-aware results that actually sound human, not robotic word-by-word output. 4 TRANSLATION MODES Choose the tone for your translation: • Standard — Clear, accurate, everyday translation • Professional — Formal tone for business emails and documents • Casual — Relaxed, conversational style for chatting with friends • Grammar — Corrects and polishes your text while translating AI WRITE Need to compose something from scratch? Type what you want in the text field, tap the sparkles button — Keybridge generates it for you, in your chosen language. Perfect for emails, messages, social media posts, or any content you need drafted quickly. TOURIST MODE Traveling abroad? Open Tourist Mode for face-to-face conversation translation. The split-screen interface lets two people communicate in different languages using a single phone. CLIPBOARD TRANSLATE Copied text from another app? Tap the clipboard button and get an instant translation — no need to paste. VOICE TRANSLATE Tourist Mode includes built-in voice input. Tap the microphone, speak, and your words are automatically transcribed and translated. Perfect for in-person conversations abroad. TRANSLATION HISTORY Every translation is automatically saved. Search your history and copy with a single tap. 10 LANGUAGES English, Turkish, Spanish, French, German, Italian, Portuguese, Russian, Arabic, and Chinese. Auto-detection understands your source language — just pick the target. PREMIUM Unlock everything: • Unlimited translations • All 4 translation modes • AI Write — generate content from instructions • Tourist Mode — face-to-face conversation translation • Clipboard Translate • No character limit Premium is available as a weekly ($0.99) or monthly ($2.49) subscription. DESIGNED FOR YOUR PRIVACY • Text is sent only when you tap Translate — never in the background • Your text is never stored on servers after translation • Keystrokes are never logged • No personal data is collected or shared Keybridge requires Full Access permission to connect to translation servers. This is an iOS requirement for all keyboard extensions that use the internet. We do not access any data beyond the text you explicitly translate. Terms of Use (EULA): https://apple.com/legal/internet-services/itunes/dev/stdeula/ Keybridge Terms of Use: https://translator-app-production-0b2a.up.railway.app/terms Privacy Policy: https://translator-app-production-0b2a.up.railway.app/privacy
Langboard
Transform your daily typing into an effortless language learning experience. This keyboard provides real-time sentence translations and phrase-by-phrase meanings as you type, allowing you to learn new languages through your everyday conversations and searches.
- Real-time sentence translation
- Phrase-by-phrase learning
- Switch learning languages
- One-tap text replacement
- Learn from daily typing
- No app switching needed
Read full descriptionHide full description
Learn languages while you type. Turn everyday typing into effortless language learning. As you type, the keyboard shows a natural translation of your sentence along with phrase-by-phrase meanings, helping you discover how the words and expressions you already use are said in another language. Switch between supported languages anytime and learn through real conversations, messages, notes, and searches — without opening a separate translation app. Need to communicate in another language? Simply tap the translation to replace what you've typed with the translated text, ready to send. Key Features Real-Time Sentence Translation See a natural translation while you type, directly above the keyboard. Phrase-by-Phrase Learning Understand how individual words and phrases are expressed in the language you're learning. Switch Learning Languages Anytime Choose the language you want to learn and translate into, including English, Japanese, Korean, and more supported languages. Replace Your Text in One Tap Turn what you've typed into the translated language instantly — useful for messages, email, social apps, and search. Learn From What You Actually Say Instead of studying random textbook sentences, learn from the things you naturally type every day. No Copying and Pasting Translation happens directly inside the keyboard, so there's no need to constantly switch between apps. You already type every day. Why not learn a language at the same time? Type. Translate. Learn. Terms of Service: https://langboard.aiyuchat.com/terms.html Privacy Policy:https://langboard.aiyuchat.com/privacy.html
Screenshots
Verdict
The clearest difference is ads: Keybridge at none against Langboard's shown. Keybridge also leads on iOS requirement (16.0 vs 18.0). Langboard's advantage is update cadence (every 2 days vs every 5 days). On price, rating, ratings volume and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Keybridge sells 2 in-app purchases, starting at $0.99 per 7 days and Langboard sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 5.0 for Keybridge against 5.0 for Langboard. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
Keybridge ships an update every 5 days, Langboard every 2 days. Both last shipped on October 31, 2026.
| Parameter | Keybridge | Langboard |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 1 |
| Update frequency | Every 5 days | Every 2 days — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Free with in-app purchases |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 23 MB | 41 MB |
| Age rating | 4+ | 4+ |
| Developer | Bilal Iyisoy | 晓冬 黄 |
In-app purchases
Keybridge
- Premium Weekly$0.997 Days
- Premium Monthly$2.491 Month
Langboard
- Monthly7 Days trial$0.991 Month
- Yearly7 Days trial$4.991 Year
- Lifetime plan$9.99









