Best AI Chat App in 2026 (Tested and Compared)
The best AI chat apps compared for features, models, price and mobile. See the top pick for people who want every model in one place.

The best AI chat app in 2026 is the one that gives you the most capable models plus the features you actually use: voice, image generation, memory and mobile. By that measure Multi Chats is the top pick, with 50+ models in one app on iOS, Android and web.
Best AI chat apps ranked
App | Models | Voice | Platforms | From |
|---|---|---|---|---|
Multi Chats | 50+ | Yes | iOS, Android, web | $20.99/mo |
ChatGPT | GPT-5 only | Yes | iOS, Android, web | $20/mo |
Claude | Claude only | Limited | iOS, Android, web | $20/mo |
Perplexity | Search-first | Yes | iOS, Android, web | $20/mo |
Poe | Many, points-based | No | iOS, Android, web | $20/mo |
What makes a great AI chat app
Model choice: access to GPT-5, Claude and Gemini, not one provider
Voice: voice messages and real-time voice calls
Memory and folders: the app remembers your projects
Uploads: files, images and documents
Mobile: native iOS and Android, not just a website
Best for power users, students and coders
Power users want every model and memory. Students want value and the free tier. Coders want to draft with one model and review with another, which switching mid-conversation makes easy.
Frequently asked questions
Best AI chat app for iPhone and Android?
Multi Chats has native iOS and Android apps with 50+ models, voice mode and image generation on one subscription.
Most versatile AI chat app in 2026?
A multi-model app, because it combines the leading models with voice, search, memory and image generation in one place.
The bottom line
The most versatile AI chat app gives you every model and every feature in one place. Try the top pick free, or see the best app for voice mode.