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What is AI Keyboard ReplyAssistant?

ReplyAssistant is an AI-powered keyboard extension app developed by Elsayed Hussein that integrates seamlessly with any app on your iPhone or iPad. It leverages the ChatGPT API to enhance your writing by providing grammar checks, translations, paraphrasing, synonym suggestions, and AI-generated content continuation directly from the keyboard. The app also supports custom prompts, allowing users to tailor AI responses to their specific needs. Additionally, ReplyAssistant includes features like ChatPDF for interacting with PDF documents and a writing assistant for crafting emails or messages with customizable tones. It is designed to solve common writing challenges such as typos, grammar errors, and finding the right words, making it ideal for users who want to improve communication efficiency and quality across various platforms. Its core capabilities fit workflows involving messaging, emailing, content creation, and document interaction, catering to individuals and professionals seeking smart writing assistance on mobile devices.

AI Tool Review Summary

Performance Score

4.5/5

Content/Output Quality

High, context-aware, and versatile

Interface

Clean, intuitive, and integrated keyboard extension

AI Technology
LLMNLP
Purpose of Tool

To enhance mobile writing by providing AI-powered grammar, translation, paraphrasing, and content generation directly from the keyboard.

Compatibility

Works as a keyboard extension on iPhone and iPad, compatible with any app requiring text input.

Pricing

Freemium with optional in-app purchases for advanced features

Features

Features with the highest value for users are highlighted here.

Grammar check

Instant translation

Paraphrasing

Synonym finder

AI text continuation

Custom prompt creation

AI-generated replies

ChatPDF document interaction

How It Works

1

Install and Enable Keyboard

Download ReplyAssistant from the App Store and enable it as a keyboard extension in your device settings.

2

Type Using ReplyAssistant Keyboard

Use the keyboard in any app to access grammar checks, translations, paraphrasing, and AI-generated suggestions.

3

Customize Prompts and Settings

Create and save custom prompts to tailor AI responses to your preferred style and tone.

4

Interact with PDFs and Generate Replies

Upload PDFs to chat with document content or use the app interface to generate or reply to messages efficiently.

Who Is It For?

Mobile Professionals

Students

Content Creators

Multilingual Users

Customer Support Agents

Small Business Owners

Remote Teams

Non-native English Speakers

Writers & Editors

Tech-Savvy Users

Pricing

Free

$0/free
  • Basic grammar check
  • Translation in limited languages
  • Paraphrasing
  • Access to standard AI models
Popular

Pro

$9.99/monthly
  • Unlimited AI usage
  • Advanced GPT-4 model access
  • Custom prompts creation
  • ChatPDF feature
  • Priority support

Pro Annual

$99.99/yearly
  • All Pro features
  • Discounted yearly billing

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Pros & Cons

Pros

  • Seamless integration with any app via keyboard extension.
  • Supports multiple languages and customizable writing styles.

Cons

  • Limited user reviews available to gauge overall performance.
  • Some advanced features require in-app purchases.

FAQs

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Reviews

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Rating

5.0

Pros

Cons

Quick AI Keyboard ReplyAssistant Comparision

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Analytics of Today for iPhone - App Store

Website traffic and keyword analysis.

Live dataFeb 2026 – Apr 2026

Monthly visits

140.91M

-2.6% vs prior month

Avg. visit duration

00:00:47

M 4 2026 snapshot

Pages / visit

1.61

M 4 2026 snapshot

Bounce rate

73.91%

Lower is better

All traffic · Worldwide

Weekly estimate · Feb 1, 2026 – Apr 29, 2026

28.18M29.09M30M30.91M31.82MFeb 1Feb 15Mar 1Mar 15Mar 29Apr 8Apr 22Apr 29

Peak week: 31.82M (Feb 1, 2026)Low week: 28.18M (Apr 1, 2026)WoW: 0.0%Derived from monthly estimates · SimilarWeb-equivalent

Release History

0 releases published

No releases yet.

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