Best AI Keyboard for iPhone in 2026

Your iPhone keyboard can do more than type. AI keyboards for iOS now offer grammar checking, tone adjustment, voice dictation, and even cross-app actions — all from the place you already type. Here's how to pick the right one.

Best Writing

Grammarly Keyboard

Best Voice Input

Wispr Flow

Most Agentic

Acti (emerging)

Top iPhone AI Keyboards

These apps support iOS and cover the spectrum from AI writing to agentic actions. Data is synced with our apps directory.

A
ActiEmergingAgentic Keyboard

Acti is an emerging agentic keyboard that lets users perform cross-app actions directly from the keyboard interface. Instead of switching between apps, you can search, book, message, and complete workflows without leaving the current screen.

Best for: iPhone users who want to reduce app-switching and complete tasks faster

Full review
W
Wispr FlowActiveAI Keyboard

Wispr Flow combines voice dictation with AI-powered text transformation, making it a compelling option for hands-free input across any app on your phone.

Best for: Users who prefer voice input with AI-enhanced accuracy

Full review
G
Grammarly KeyboardActiveAI Keyboard

Grammarly's mobile keyboard brings grammar checking, tone detection, and clarity suggestions directly into every app where you type.

Best for: Professionals and writers who need polished text everywhere

Full review
Gb
Gboard with GeminiActiveAI Keyboard

Gboard now integrates Gemini for smarter predictions, image generation, and contextual suggestions — pushing it closer to agentic territory.

Best for: Android users who want deep Google ecosystem integration

Full review
M
Microsoft SwiftKeyActiveAI Keyboard

SwiftKey leverages Microsoft's AI ecosystem — including Copilot — for smarter predictions, translations, and productivity features across platforms.

Best for: Users in the Microsoft ecosystem seeking integrated AI assistance

Full review
C
ChatGPT Voice & Search WorkflowActiveMobile AI Agent

ChatGPT's mobile app increasingly functions as an AI agent — handling voice queries, web searches, and connecting to other apps through Shortcuts and APIs.

Best for: Users wanting a general-purpose AI agent on mobile

Full review
P
Perplexity AssistantActiveMobile AI Agent

Perplexity's mobile app functions as an AI agent that can search the web, summarize content, and increasingly interact with other apps on your device.

Best for: Research-heavy users who need verified, cited answers on mobile

Full review
S
Apple Shortcuts + AI AgentsConceptMobile AI Agent

Apple Shortcuts combined with AI API calls and app intents enables custom agentic workflows — a build-it-yourself approach to mobile AI agents.

Best for: Power users who want to build custom agentic workflows

Full review

AI Keyboard, Agentic Keyboard, or Mobile AI App — What's the Difference on iPhone?

AI Keyboard

Improves text — grammar, tone, predictions. Works inside every app as a keyboard replacement.

Grammarly, SwiftKey, Gboard

Agentic Keyboard

Executes tasks — search, book, share — from the keyboard. Still emerging, especially on iOS.

Acti (iOS-only)

Mobile AI App

Runs as a separate app. Powerful but requires app-switching — not a keyboard replacement.

ChatGPT, Perplexity

For deeper platform context, see agentic keyboards for iPhone.

iOS Privacy and Full Access

Most AI keyboard features on iPhone require Full Access — a permission that allows the keyboard to communicate over the network. Without it, the keyboard is sandboxed. Always review what data a keyboard processes on-device vs. in the cloud before enabling Full Access. iOS automatically switches to the default keyboard for password and payment fields. Read our full privacy guide.

Frequently Asked Questions

Grammarly Keyboard is the best AI keyboard for writing quality on iPhone — it brings full grammar, tone, and clarity checking to every app. Wispr Flow is the best choice for voice-to-text productivity. Acti is the most innovative agentic keyboard option (iOS-only, emerging). SwiftKey is a solid all-around choice with Copilot integration. Most users get the best results by combining an AI keyboard for daily writing with a mobile AI assistant like ChatGPT for deeper tasks.
Yes, but with limitations. iOS restricts third-party keyboards more than Android does — some features like system-level automation are limited, and many AI features require Full Access to be enabled. That said, the best AI keyboards (Grammarly, Wispr Flow, SwiftKey) work well on iPhone for their core use cases: writing improvement, voice dictation, and text prediction. Agentic features like cross-app actions are more limited on iOS due to the platform's stricter sandboxing.
Acti is currently the clearest example of an agentic keyboard on any platform, and it is iOS-only. It executes cross-app actions like search, booking, and sharing directly from the keyboard. However, it is still an emerging product — features are evolving, availability may be region-restricted, and it requires more permissions than a standard keyboard. It is the best option if you specifically want an agentic keyboard, but for general AI typing needs, Grammarly or Wispr Flow may be more mature choices.
Full Access is an iOS permission that allows a third-party keyboard to communicate over the network, access location services, and use other system resources. Without it, the keyboard is sandboxed and cannot connect to the internet. Many AI features — cloud predictions, voice dictation, web search, cross-app actions — require Full Access. You can toggle it on or off anytime in Settings, and iOS automatically switches to the default keyboard for secure fields like passwords.
Yes. iOS lets you install multiple third-party keyboards and switch between them while typing by tapping and holding the globe icon. A practical setup: use Grammarly for work emails and writing, Wispr Flow when you want to dictate hands-free, and keep the default iOS keyboard for sensitive fields. You can also set different keyboards per app or language in Settings.
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