# Casper – The AI Keyboard > AI-powered keyboard for enhanced writing and content creation in any app. (iPhone/iPad app by Mythology AB.) - Source: https://appshunter.io/ios/app/casper-the-ai-keyboard/id1662383945 (this page in markdown: same URL + `.md`) - Developer: [Mythology AB](https://appshunter.io/developer/1645370246) - Category: Productivity, Utilities - Price: Free - Rating: 3.15/5 from 13 App Store ratings · 1 written reviews indexed - Age rating: 4+ - Requires: iOS 15.0 · 74 MB - Languages: English - Released: 2023-01-24 - Data updated: 2026-06-10 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/casper-the-ai-keyboard/id1662383945/reviews.md ## What is Casper? Casper Keyboard Extension puts the world's most advanced AI at your fingertips. Experience revolutionary AI technology built into your keyboard - Casper is fast, accurate and personalised to you, and gives you AI superpowers in all your apps. Download Casper and supercharge all your apps with AI! Casper is compatible with over 500,000 apps. Works on over 100+ languages. USER CASPER FOR: • Writing assistance • Creating compelling LinkedIn content • Generating TikTok video scripts for influencers • Generating Facebook ads campaign strategies • Writing plagiarism-free papers • Brainstorming ideas • Email marketing campaigns • Summarising any text, create notes • Writing and replying to work emails • Writing attention-grabbing Tweets • Custom responses to dating app messages based on user profiles • Writing Facebook ads headlines and descriptions • Generating AI images • Increasing productivity by 10x THE WORLD'S MOST POWERFUL AI, BUILT INTO YOUR KEYBOARD • A Custom AI Keyboard Extension. Use Casper AI keyboard extension in all major iOS apps • Create your own custom prompts in the Keyboard, and get shortcuts for your most common AI tasks. • Personalise Casper with unique memory prompts to train him on your needs • A Standalone App. Keep track of your recents in the app and copy responses to reuse messages. Monitor your Casper usage and get new Casper features • Expert prompts for email marketing, LinkedIn posts, Facebook ads, TikTok videos, brainstorming, and messaging COMPATIBLE WITH OVER 500.000 APPS Ads-free search, content writing and live text review while in mobile apps and sites across the web—as you move between apps, social media, documents, messages, and emails. Works on all major social apps: WhatsApp, Slack, iMessage, Twitter, Instagram, Snapchat, Gmail, Youtube, Signal, Telegram, Tinder, Hinge and Bumble. TOP CASPER FEATURES • Search & Find: Answers questions based on existing knowledge. • Writing assistant: Proofread spelling & grammar. Suggests sentences, spelling and phrasing • Ads-free, unbiased search: 0 ads, direct answers, no clicking through links • LinkedIn Marketing: Engage with leads and write captivating comments in seconds to increase touchpoints. • Work emails: reply to colleagues, generate work email responses • Advanced real-time writing assistant • Summarize: Translates long text into simpler concepts. • Natural language voice commands • Translations: Translates any language • Essay outline: Create an outline for an essay about Einstein and his contributions to science. AI NOW IN YOUR KEYBOARD The ultimate productivity keyboard, powered by AI. • Casper Keyboard works with all iOS apps • Includes 400+ expert prompts for email marketing, LinkedIn posts, Facebook ads, TikTok videos, brainstorming, and messaging • The world’s most advanced text AI as a keyboard extension. • No payment needed to get started. Casper AI Keyboard Extension is free to download and use with full features during a 7-day trial. For the full Casper experience, we offer 1-month and annual Premium auto-renewing subscriptions. Payment is charged to your credit card through your iTunes account at confirmation of purchase. Subscription renews automatically unless you turn off auto-renewal in iTunes account settings or cancel your subscription at least 24 hours prior to the end of the subscription period. View our Terms & Conditions and Privacy Policy: casperkeyboard.com/privacy Do not share sensitive information. May generate offensive or dangerous content. Casper is not liable for content generated. Casper is not built on ChatGPT API's. Casper is a fine tuned version of OpenAI's GPT-3 model. Terms of Use: https://casperkeyboard.com/terms Privacy Policy: https://casperkeyboard.com/privacy Thanks for having Casper on your keyboard! ## Key features - AI writing assistance - Content generation for social media - Email drafting and replies - Text summarization - Customizable prompts - AI image generation ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/casper-the-ai-keyboard/id1662383945/reviews.md ### 1/5 — Stuck Outside Looking In *2023-01-29, version 1.1* I was anxious to try this, as I use several other AI apps for similar purposes as well as having developed some myself. However I can’t even get passed the signup screen. I hope that this V2 fixes this otherwise it’s pretty useless. ## Frequently asked questions about Casper ### What is Casper? Casper is an AI-powered keyboard extension that integrates advanced AI capabilities directly into your device's keyboard. It provides writing assistance, content generation, and summarization features across more than 500,000 apps. ### Does Casper have ads? The description states that Casper offers ads-free search and content writing. It is designed to provide direct answers without advertisements. ### What languages does Casper support? Casper works on over 100 languages, allowing users to leverage its AI features for writing and content creation in a variety of linguistic contexts. ### Can I use Casper in any app? Yes, Casper is compatible with over 500,000 apps, including major social media platforms like WhatsApp, Slack, Twitter, Instagram, and email clients like Gmail. ### How does Casper personalize AI responses? Casper can be personalized with unique memory prompts to train the AI on your specific needs, ensuring more relevant and tailored responses. ### What kind of content can Casper help create? Casper can assist with creating compelling LinkedIn content, generating TikTok video scripts, Facebook ad strategies, writing plagiarism-free papers, brainstorming ideas, and crafting attention-grabbing Tweets. ### What is the age rating for Casper? Casper has an age rating of 4+, making it suitable for a wide range of users. ### When was Casper last updated? Casper was last updated on January 26, 2023, with the latest version being 1.1. ## Version history (last 1 release) ### 1.1 — 2023-01-26 - Bug fixes and new to performance. ## Apps similar to Casper | App | Rating | Price | Category | | --- | --- | --- | --- | | [OneTwoCount](https://appshunter.io/ios/app/onetwocount/id1454584180) | — | Free | Productivity | | [Thetis Tools](https://appshunter.io/ios/app/thetis-tools/id1460268980) | — | Free | Productivity | | [Jumpstash](https://appshunter.io/ios/app/jumpstash/id1465670860) | 4.2 (5) | Free | Productivity | | [SyncOnSet 5.0](https://appshunter.io/ios/app/synconset-50/id1460160860) | 1.8 (60) | Free | Productivity | | [Your Ashford BC](https://appshunter.io/ios/app/your-ashford-bc/id1452979480) | — | Free | Productivity | | [FairOrg LeadApp](https://appshunter.io/ios/app/fairorg-leadapp/id1460125760) | — | Free | Productivity | ## More apps by Mythology AB - [VideoPuff - AI Video Generator](https://appshunter.io/ios/app/videopuff-ai-video-generator/id1662299002) - [AutoGPT: AI Chat Bot Assistant](https://appshunter.io/ios/app/autogpt-ai-chat-bot-assistant/id6447705760) - [AI Music Generator: Pop & Rap](https://appshunter.io/ios/app/ai-music-generator-pop-and-rap/id6483759068) All apps by Mythology AB: https://appshunter.io/developer/1645370246 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*