Comparison

Keyfred 日本語キーボード vs Bilingual

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Keyfred 日本語キーボード

This AI-powered keyboard enhances your writing by offering real-time corrections, rewrites, and translations directly within any app. Improve clarity, tone, and fluency for emails, messages, and social media posts.

Highlights
  • AI-powered smart keyboard
  • Real-time, context-aware correction alerts
  • AI sentence correction
  • Rewrite with the right tone and style
  • Natural multilingual translation
  • Custom keyboard themes
  • Korean, English, and Japanese input support
Read full description

Keyfred is an AI-powered smart keyboard that helps you write better, right where you type. No app switching. No copy and paste. Keyfred understands the context of your sentence and helps you correct, rewrite, and translate your text instantly from the keyboard. Whether you are writing a work email, chatting with friends, posting on social media, or communicating in another language, Keyfred helps every sentence sound clearer, smoother, and more natural. Key Features - AI-powered smart keyboard - Real-time, context-aware correction alerts - AI sentence correction - Rewrite with the right tone and style - Natural multilingual translation - Custom keyboard themes and design - Korean, English, and Japanese input support Privacy Keyfred only sends the text you choose to the server. Your content is not stored on the server. Sensitive information such as addresses, phone numbers, and card numbers is not sent. This app uses Apple’s standard End User License Agreement (EULA). Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Keyfred Terms of Use: https://www.keyfred.com/terms?lang=ko Privacy Policy: https://www.keyfred.com/privacy?lang=ko

About

Bilingual

Features
Read full description

Message anyone in another language without repeatedly leaving the conversation. Bilingual brings translation directly into your keyboard. Write a reply, tap Translate, and insert the result into the active text field. Receive a message in another language? Copy it and use Bilingual’s paste button to translate it without opening a separate translator. SUPPORTED TRANSLATION LANGUAGES English, Japanese, Korean, Simplified Chinese, Traditional Chinese, Spanish, Vietnamese, Thai, Brazilian Portuguese, French, and German. TRANSLATE WHERE YOU TYPE • Translate outgoing replies directly from the keyboard • Translate copied incoming messages without leaving the conversation • Automatically detect supported languages and adjust the direction • Translate between supported languages without requiring English • Undo translations or clear the message when needed • Browse and search the built-in emoji keyboard SWIPE OR TAP TO TYPE Glide across the English keyboard to write words, or combine tapping and swiping within a word. Choose alternative suggestions when needed. Optional on-device learning helps recognize your vocabulary, with controls to manage your personal word bank or reset learning. TYPE IN MORE LANGUAGES Bilingual includes multilingual Latin keyboards, Japanese Kana Flick and Romaji typing with offline Kana-to-Kanji conversion, Korean 2-Set Hangul composition, and Simplified and Traditional Chinese Pinyin input. Swipe typing is available for English. FREE ON-DEVICE TRANSLATION Download Google language models once, then translate without a per-message fee. Apple Translation is also available inside the Bilingual app for supported language pairs. TRY AI NATIVE FOR FREE AI Native translates meaning and intent while helping your message sound natural. Enable Free AI Translations in the app to use five short translations a day with Casual, Standard, and Polite tones. No subscription required. AI translation requires an internet connection. MORE WITH BILINGUAL PRO • Translate longer messages and use AI for image translation • Adjust naturalness, language difficulty, and translation length • Choose recipient presets for friends, family, coworkers, customers, and partners • Save preferred translations for names, words, and phrases • Preserve formatting and emoji when desired • Read completed translations aloud • Adjust translation direction, model, and tone from a Home Screen widget • View private translation usage statistics IMAGE TRANSLATION BETA Choose an image from Photos or take a photo to recognize and translate visible text. Text recognition runs on your device. Results may vary with image quality and layout. BUILT WITH PRIVACY IN MIND Bilingual does not continuously upload what you type. Offline translation, swipe recognition and learning, supported keyboard composition, and image text recognition run on your device. With your permission, AI Native sends submitted text and applicable translation preferences, including saved terminology, to OpenAI through Bilingual’s service. Images and unrelated typing are not uploaded. Some features and on-device language availability may vary by provider, language pair, device, and region. Pro allows up to 500 AI requests per day and 10,000 per calendar month, shared across devices, with up to 8,000 characters per request and 10 requests per minute. Limits reset in UTC without rollover. On-device translation does not use this allowance. Bilingual Pro is an optional monthly subscription. Payment is charged to your Apple Account. The subscription renews automatically unless canceled at least 24 hours before the end of the current period. You can manage or cancel it in your App Store subscription settings. Privacy Policy: https://bilingualkeyboard.app/privacy Terms of Use (EULA): https://bilingualkeyboard.app/terms Support: https://bilingualkeyboard.app/support

Screenshots

Keyfred 日本語キーボード4 screens
Bilingual4 screens

Verdict

The call

The clearest difference is update cadence: Keyfred 日本語キーボード at every 2 days against Bilingual's weekly. Keyfred 日本語キーボード also leads on iOS requirement (16.0 vs 26.0). On price, ads, in-app purchases and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Keyfred 日本語キーボード sells 4 in-app purchases, starting at $2.99 per month and Bilingual sells 1 in-app purchase, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Keyfred 日本語キーボード ships an update every 2 days, Bilingual weekly. The most recent releases landed on September 26, 2026 and October 14, 2026 respectively.

Scorecard2 real differences · 6 level
Keyfred 日本語キーボード versus Bilingual: the parameters behind the verdict, then further details
ParameterKeyfred 日本語キーボードBilingual
PriceFreeFree
Positive reviews100.0% of reviews—
Update frequencyEvery 2 days — betterWeekly
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhoneiPhone, iPad — better
Requires iOS16.0 — better26.0
Further details — not scored
Size91 MB120 MB
Age rating4+4+
DeveloperKeyfred Inc.Rustin Winger

In-app purchases

4 purchases

Keyfred 日本語キーボード

Subscriptions3
  • Keyfred Pro Monthly$2.991 Month
  • Keyfred Pro 6 Months$12.996 Months
  • Keyfred Pro Yearly$21.951 Year
One-time1
  • 100 Credits$4.99
1 purchases

Bilingual

Subscriptions1
  • Bilingual Pro Monthly$9.991 Month

Questions

Is Keyfred 日本語キーボード free?
Keyfred 日本語キーボード is free to download, with in-app purchases available.
Is Bilingual free?
Bilingual is free to download, with in-app purchases available.
Do Keyfred 日本語キーボード or Bilingual have ads?
Neither Keyfred 日本語キーボード nor Bilingual shows ads.
Which is updated more often, Keyfred 日本語キーボード or Bilingual?
Keyfred 日本語キーボード ships an update every 2 days, and Bilingual weekly. Most recently, Keyfred 日本語キーボード was updated on September 26, 2026 and Bilingual on October 14, 2026.

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