ChatterFish vs AIecholang
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ChatterFish
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ChatterFish is your real-time conversation translation companion, designed to help people understand each other across different languages. Whether you are travelling, meeting new people, working with international colleagues, or helping friends and family communicate, ChatterFish listens to spoken conversations and translates them so everyone can follow along. With ChatterFish, you can make multilingual conversations feel more natural, simple, and accessible. Supports the following languages: Arabic, Chinese (Simplified), Chinese (Traditional), Danish, Dutch, English, Finnish, French, German, Hebrew, Hindi, Indonesian, Italian, Japanese, Korean, Malay, Norwegian Bokmål, Polish, Portuguese, Russian, Spanish, Swedish, Thai, Turkish, Ukrainian, Vietnamese Key Features: - Real-Time Conversation Translation Listen to spoken conversations and translate them into different languages as they happen and presents them in a conversational display highlighting language changes so you can follow the conversation. - Designed for Natural Conversations ChatterFish is built for everyday speech, helping you follow conversations without constantly stopping and typing. - Great for Travel Understand people around you when travelling, asking for directions, ordering food, checking into hotels, or exploring new places. - Useful for Work and Meetings Communicate easily with colleagues, customers, and partners who speak different languages. ChatterFish is also great for translating video conference calls, helping you follow multilingual conversations during online meetings. - Simple and Easy to Use Open the app, choose your languages, and start translating conversations quickly. - Friendly Multilingual Communication Help reduce language barriers and make conversations easier for everyone involved. Who ChatterFish Is For: - Travellers - International teams - Students - Language learners - Families and friends - Customer-facing professionals - Anyone who needs live conversation translation ChatterFish helps turn spoken conversation into understanding. Download ChatterFish and start communicating across languages today.
AIecholang
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echolang is a private voice translator that runs entirely on your iPhone. Speak naturally — the app transcribes your speech, translates it and speaks the result aloud. No cloud, no accounts, no tracking: your conversations never leave the device. HOW IT WORKS • Tap and hold the microphone, speak, release • Your speech is recognized on-device with Whisper model • A 4B-parameter translation LLM (TranslateGemma, running on Apple's MLX framework) translates the phrase • The translation is spoken aloud with natural system voices • Perfect for two-way conversations: each speaker taps their side, languages swap in one tap FEATURES • 33 languages: English, Spanish, French, German, Italian, Portuguese, Russian, Ukrainian, Polish, Czech, Dutch, Swedish, Norwegian, Danish, Finnish, Greek, Romanian, Hungarian, Turkish, Arabic, Hebrew, Hindi, Bengali, Tamil, Telugu, Marathi, Urdu, Chinese, Japanese, Korean, Vietnamese, Thai, Indonesian • Adjustable translation style: neutral, formal, informal, polite, colloquial or concise • Conversation history with playback of any phrase • Works fully offline after a one-time model download — ideal for travel, roaming and flights • 100% on-device AI: no servers, no sign-up, no data collection • Free forever: no ads, no subscriptions, no in-app purchases PRIVACY All speech recognition and translation happens locally using on-device neural networks. The microphone is used only while you hold the record button. Nothing is uploaded, stored remotely or shared with anyone. REQUIREMENTS • iOS 18 or later • iPhone with 6 GB RAM or more (iPhone 12 Pro and later Pro models, iPhone 14 and later) • ~3 GB of free storage • On first launch the app downloads its on-device AI models (~2.8 GB). Please use Wi-Fi and allow a few minutes — this is a one-time setup.
Screenshots
Verdict
The clearest difference is in-app purchases: AIecholang at none against ChatterFish's 1. AIecholang also leads on iOS requirement (18.0 vs 26.0). On price, ads 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
Both are free to download. ChatterFish sells 1 one-off in-app purchase. AIecholang asks for nothing beyond the download.
| Parameter | ChatterFish | AIecholang |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad, Mac — better | iPhone, iPad |
| Requires iOS | 26.0 | 18.0 — better |
| Further details — not scored | ||
| Size | 12 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | Ian Stephenson | Alex Valenchits |
In-app purchases
ChatterFish
- Pro$4.99
AIecholang
No in-app purchases







