Tervo vs AIecholang
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tervo
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Tervo is your real-time speech translator. Simply press listen, and Tervo instantly translates conversations around you into subtitles in your language. How it works: • Place your phone near the speaker • Tap "Listen" to start • Read live translations as subtitles on your screen Perfect for: • Traveling abroad and understanding locals • Attending meetings or conferences in foreign languages • Watching live events without missing a word • Learning new languages naturally • Communicating with people who speak different languages Features: • Real-time translation with minimal delay • 16 supported languages • Clean, distraction-free subtitle display • Translation history to review past sessions • Works offline-free with no internet required for core features Supported languages: English, French, Spanish, Italian, German, Chinese, Japanese, Romanian, Portuguese, Russian, Arabic, Hindi, Korean, Dutch, Polish, Turkish Download Tervo and break language barriers instantly. Terms of Use (EULA): https://tervo.live/terms Privacy Policy: https://tervo.live/privacy
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 Tervo's 1. On price, ads, device support and iOS requirement 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. Tervo sells 1 in-app purchase, starting at $3.99 per month. AIecholang asks for nothing beyond the download.
| Parameter | Tervo | AIecholang |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.6 — better | 18.0 |
| Further details — not scored | ||
| Size | 4 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | FOUAD LIADY | Alex Valenchits |
In-app purchases
Tervo
- Tervo Pro$3.991 Month
AIecholang
No in-app purchases








