passNote vs TranslateChat
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
passNote
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Exchange diaries are a traditional form of communication in Japan, where people share their daily experiences and thoughts through a notebook. Even today, they remain popular among young people, offering a slower and more meaningful alternative to social media and instant messaging. With this app, you can easily experience the charm of exchange diaries on your smartphone. Share your daily life, hobbies, and thoughts while getting to know someone little by little. Unlike short messages, exchange diaries help build deeper connections. By taking time to write and respond, you can learn about each other's values and perspectives and develop lasting relationships. You can also connect with people from around the world. Discover real daily life, culture, school, work, and traditions that cannot be fully understood through travel or social media alone. Exchange diaries are also a great way to learn languages. Built-in translation helps you communicate with confidence while naturally learning real expressions used by native speakers. Why not start a special exchange diary with someone, somewhere in the world?
TranslateChat
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โ What is TranslateChat? A chat app that breaks through the language barrier. You write in your language โ the other person reads it in theirs. Send "Good morning!" in English, and your friend in Thailand sees it in Thai, your colleague in Japan in Japanese. Replies work the same way: a message written in their native language arrives in yours. No more copy-pasting into a translator app. *TranslateChat is an invitation-only app. Signing up requires an invitation code from an existing user. โ Features - Auto-translating chat (22 languages) English, Japanese, Thai, Korean, Chinese and more โ 22 languages in total. View the original text with one tap. - Group chat Everyone joins in their own language. Even in a family group where three languages fly around, each member reads and writes in their mother tongue. - Photo & file sharing Travel photos or work documents โ send them as they are. - Stickers & emoji When words aren't enough, send a feeling. - Voice input & read-aloud Speak to send, listen to receive. No typing skills needed. - Voice & video calls The chat stays visible during calls, so anything you didn't catch by ear can be checked as text. Toggle the camera anytime. Incoming calls appear on your lock screen. โ Who is it for? - Staying in daily touch with friends, family or a partner overseas - International couples, near or far - Working with colleagues or customers who speak another language - Language learners chatting casually with native speakers TranslateChat is an invitation-only app. You can sign up with an invitation code from a family member or friend who already uses it. All you need is the code and an email address โ and every basic feature is free. โ Real-world connections only There are no strangers on TranslateChat. Signing up requires an invitation from an existing user, and adding someone to your contacts requires mutual approval. Family, friends, and the people they introduce โ a private chat space that grows the same way real life does. โ Safety - Report inappropriate content; we act within 24 hours - Hide or block unwanted users - Call audio and video are never stored on our servers โ Supported languages (22) Japanese / English / Chinese (Simplified) / Chinese (Traditional) / Korean / Thai / Vietnamese / Indonesian / Malay / Filipino / Burmese / Hindi / Spanish / Portuguese / French / German / Italian / Dutch / Russian / Turkish / Polish / Arabic Now, go beyond the language barrier and talk to the one you've been meaning to talk to.
Screenshots
Verdict
The clearest difference is in-app purchases: TranslateChat at none against passNote's 1. TranslateChat also leads on iOS requirement (15.0 vs 18.0). passNote's advantage is update cadence (every 5 days vs every 10 days). On price, ads and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. passNote sells 1 in-app purchase, starting at $2.99 per month. TranslateChat asks for nothing beyond the download.
passNote ships an update every 5 days, TranslateChat every 10 days. The most recent releases landed on October 5, 2026 and October 9, 2026 respectively.
| Parameter | passNote | TranslateChat |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 days โ better | Every 10 days |
| Ads | No | No |
| In-app purchases | Yes | No โ better |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 18.0 | 15.0 โ better |
| Further details โ not scored | ||
| Size | 80 MB | 19 MB |
| Age rating | 17+ | 17+ |
| Developer | Ryota Izumi | DAIJI TAMURA |
In-app purchases
passNote
- Premium Membership$2.991 Month
TranslateChat
No in-app purchases









