Elio Chat vs Synto
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Elio Chat
This AI assistant operates entirely on your device, ensuring all conversations remain private and never leave your iPhone. It offers powerful AI models, image recognition, and voice input, integrating seamlessly with your iOS features like calendar and reminders.
- 100% offline operation
- On-device AI processing
- Deep iOS integration (Calendar, Reminders, Photos)
- Powerful AI models
- Image recognition
- Voice input
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【A Truly Private AI Assistant】 Elio is a completely private AI assistant that runs entirely on your iPhone. All processing happens on-device, meaning your conversations are never sent to the cloud. ■ Why Choose Elio? • Fully Offline - Works in airplane mode • Privacy First - No data ever leaves your device • Works in corporate environments with AI restrictions • No subscription - Free forever after download ■ Deep iOS Integration • Calendar - Check and create events • Reminders - Manage your tasks • Photos - Analyze and search images • Contacts - Search your contacts • Weather - Check forecasts • Location - Get current location ■ Key Features • Powerful AI models (Qwen3, Llama 3.2, etc.) • Image recognition (Vision-capable models) • Voice input (Whisper built-in) • Multi-turn conversations • Search and export conversation history ■ Our Privacy Commitment Elio is your secret-keeping "second brain". Confidential information, personal concerns, work ideas... discuss anything with peace of mind. Download now and experience truly private AI.
Synto
Access multiple advanced AI models and specialized assistants for education, career, business, and personal organization. Engage in natural conversations for clear, practical answers without technical jargon. Your data privacy is a top priority.
- Access multiple AI models (GPT, Claude, Gemini)
- Specialized assistants for education, career, business
- Personal organization tools
- Natural language conversation
- User data protection
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Synto puts the world's best artificial intelligence models in the palm of your hand, no hassle, no technical jargon. Chat with specialized assistants for education, career, business, personal organization, and much more. Each assistant was built to help you in a specific way, with clear and practical answers. MULTIPLE AI MODELS Access GPT, Claude, Gemini, DeepSeek, xAI and other cutting-edge models in a single app. You choose which one to use for each conversation. SPECIALIZED ASSISTANTS - Education & Learning — get answers, take quizzes and learn any subject - Jobs & Career — build your resume and prepare for interviews - Business & Entrepreneurship — marketing strategies and growth - Personal Organization — plan your routine, finances and daily tasks - Digital Inclusion — technology explained in a way everyone understands SIMPLE TO USE Ask questions the way you naturally talk, as if chatting with a friend. The AI understands and responds in a direct, hassle-free way. YOUR DATA PROTECTED Privacy and security first. Your conversations are yours.
Screenshots
Verdict
Elio Chat and Synto are too close to call on the numbers: across 8 compared parameters — price, review sentiment, update cadence and ads among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Neither carries in-app purchases, so what you see is what you pay.
Elio Chat ships an update fortnightly, Synto every 3 weeks. The most recent releases landed on October 31, 2026 and November 7, 2026 respectively.
| Parameter | Elio Chat | Synto |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Fortnightly — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 | 16.4 — better |
| Further details — not scored | ||
| Size | 34 MB | 79 MB |
| Age rating | 4+ | +4 |
| Developer | Yuki Hamada | DJP TECHNOLOGY LTDA |
Customer experience
Elio Chat
Synto
In-app purchases
Elio Chat
No in-app purchases
Synto
No in-app purchases









