Wordtune: AI Writing Keyboard

What it does

Wordtune is an AI-powered writing assistant that lives inside your keyboard. It's designed to improve your writing across any app on your phone, from emails and messages to social media posts. The app offers three main functions: rewriting sentences for clarity and tone, generating original text from a prompt, and summarizing long articles from a web link.

Where it shines

The app's greatest strength is its seamless integration as a system-wide keyboard. The onboarding flow is entirely dedicated to this setup, culminating in a guided tutorial (01:33) to ensure users can access Wordtune everywhere. The core rewrite feature is particularly powerful, offering multiple suggestions categorized by tone like "Casual" and "Formal" (03:13). This gives users fine-grained control over their communication style. Finally, the text generation feature (04:06) can draft entire emails from a simple command, showcasing its utility as a major time-saver.

UX highlights

Multi-modal AI: The app clearly separates its three core tools (Rewrite, Generate, Summarize), making it easy for users to choose the right function for the task at hand.
Focused Onboarding: The initial user experience is a direct funnel to the paywall and keyboard setup, prioritizing integration and monetization.
Contextual Tones: Providing rewrite suggestions based on communication style adds a layer of sophistication that goes beyond basic grammar correction.
Personalization Quiz: A multi-step quiz (00:36) at the start helps tailor the experience and frames the value proposition around the user's specific needs.
In-App Tutorials: The app uses clear, concise tutorials to explain complex actions, such as how to switch to the Wordtune keyboard (01:53).
Clean Interface: Despite its powerful backend, the user interface remains minimal and uncluttered, both in the main app and within the keyboard itself.

Monetization & growth

Wordtune presents a soft paywall with a 7-day free trial during its onboarding flow (01:05). The paywall appears immediately after a multi-step personalization quiz, a classic strategy to frame the subscription as a solution to the user's just-stated needs. The app offers two subscription tiers, monthly and yearly, with the yearly option presented as a better value per month. Early in the sign-up process (00:19), it uses social proof ("Join 10 million people already using Wordtune") to build credibility and reduce friction.

Who it’s for

This app is built for a wide range of users who write frequently on their mobile devices. This includes professionals crafting emails, students writing papers, content creators managing social media, and non-native English speakers looking to improve their fluency and confidence. Essentially, anyone who wants to communicate more clearly and efficiently can benefit from the tool.

Notes & opportunities

The app's reliance on a network connection can introduce moments of friction. For example, a network connectivity error appeared during a rewrite attempt (03:08), temporarily halting the user's workflow. The summarization feature also failed on the first try (05:18), requiring the user to go back and paste the link again. Smoothing out these network-dependent interactions could improve the overall user experience and make the tool feel more reliable.