Zero Chat vs Sphere

Zero Chat brings GPT, Claude, Gemini, and more AI models into one app. An active subscription is required. Choose the right model for the task. Browse models by provider, compare their strengths and token prices, or search for a favorite. Switch models in the same conversation when you want a different perspective. Plan a trip, draft a message, explore an idea, or work through a problem. Add photos from your camera or gallery, use web search, and set custom instructions. Your chats stay together across supported devices. A monthly auto-renewable subscription enables Zero Chat's AI features. Apple charges your Apple ID when you confirm the purchase. The subscription renews automatically unless you cancel at least 24 hours before the current period ends. Privacy Policy: https://zero-chat.app/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

The multi-model advantage. Every AI model has different strengths. GPT-5 reasons sharply. Claude writes beautifully. Gemini knows the web. Why settle for one? Sphere runs your prompt across up to 4 AI models simultaneously and shows you all the answers in a swipeable carousel, so you can read, compare, and use the best one. MODELS INCLUDED • OpenAI GPT-5.5 & GPT-5.4 Mini • Anthropic Claude Opus 4.8, Sonnet 4.6 & Haiku 4.5 • Google Gemini 3.1 Pro & Gemini Flash 3.5 • xAI Grok 4 • DeepSeek R1 KEY FEATURES • Side-by-side comparison — see up to 4 models answer your question at once • Real-time streaming — answers appear as they're generated • Voice input — dictate your prompts hands-free • Image & file attachments — share screenshots, documents, and more • Thread history — every conversation is saved and searchable SPHERE PRO Unlock all premium models, compare up to 4 at once, and get 500 prompts per month with unlimited threads. Subscriptions are billed through your Apple ID. Cancel anytime in Settings → Apple ID → Subscriptions. Privacy Policy: https://mnemosphere.ai/sphere/privacy-policy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/