Plain vs TypeKey
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Plain
This advanced AI-powered keyboard acts as your personal text assistant, offering features like grammar correction, translation, and tone adjustment. It helps you write, communicate, and generate text more effectively across all your applications.
- Grammar and spell check
- Seamless translation
- AI-powered answers
- Tone adjustment
- Text paraphrasing
- Response generation
- Text continuation
- Synonym finder
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Introducing Plain - AI Keyboard: Your Advanced Text Assistant! Why Plain? Plain isn't just another keyboard. It's your personal text assistant, powered by GPT-4, designed to elevate your writing experience across all apps. Whether you're chatting, working, or just exploring, Plain has got your back! FEATURES: - Grammar & Spell Check: Never second-guess your writing again! Plain automatically corrects any grammar or spelling mistakes in your text, ensuring you always put your best word forward. - Translate: Speak the global language! With Plain, your text is seamlessly translated to your desired language, with the source detected automatically. - Ask AI: Stuck on a question? Get instant answers on general knowledge topics. Just type, and let Plain provide the insights! - Tone Changer: Adapt your message to any situation. Specify a tone - be it friendly, professional, flirty, or any of our other options - and watch Plain craft your text accordingly. - Paraphrase: Say it differently, but keep the essence. Plain rephrases your text, maintaining the original tone, giving you a fresh perspective. - Reply: Never be at a loss for words. Enter a message, and Plain will generate a fitting response, making conversations smoother. - Continue Text: Extend your thoughts effortlessly. Provide a starting point, and let Plain continue your text in the same tone and context. - Find Synonyms: Expand your vocabulary! For any word you input, Plain offers a synonym, enriching your writing. Privacy & Security: Your privacy is our priority. Plain operates with transparency, ensuring your data remains secure and private. We value your trust! For any app-related queries, please send an email to info@mobiversite.com Privacy policy: https://www.mobiversite.com/privacypolicy Terms & Conditions: https://www.mobiversite.com/terms EULA: https://www.mobiversite.com/eula
TypeKey
Enhance your writing with AI-powered tools to humanize text, paraphrase, draft emails and cover letters, and fix grammar. Use these features directly within the app or via a custom keyboard across other applications.
- Humanize AI text
- Paraphrase content
- Draft cover letters
- Write emails
- Fix grammar and spelling
- Summarize text
- Translate languages
- Change tone
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Humanize AI text, paraphrase, and write a cover letter or an email in seconds. Paste your text into a tool in the app, no keyboard setup needed. Or turn on the TypeKey keyboard and use the same actions where you type. TOOLS IN THE APP (no keyboard setup needed) • Humanize AI text: make stiff, AI-sounding text read naturally, in the same language. • Paraphrase: say it in other words, with the same meaning. • Cover letter: paste the job ad and 3 lines about you, and get a cover letter in the language of the ad. • Write an email: a few words in, a complete email out, with a subject line. Pick Professional, Friendly, Short or Persuasive. • Fix grammar: spelling, grammar and punctuation in whole sentences. • Summarize: the short version as a paragraph or bullet points. • Also: Reply with 3 answers to any message, Translate into 7 languages, Change Tone. THE KEYBOARD, IN YOUR OTHER APPS Turn on the TypeKey keyboard to use the same actions in Messages, Mail, WhatsApp, Instagram, Notes and most other apps. Password fields and some apps only allow the iPhone keyboard. Copy a message, tap Reply and pick one of 3 answers. HOW IT HANDLES YOUR TEXT TypeKey sends your text to our server only when you run a tool or tap an action, and only after you agree to AI processing in the app. Our AI service provider writes the result; we don't store your text on our server. No ads. The keyboard's AI actions need Full Access; iOS asks for it once, when you turn the keyboard on. FREE TO START TypeKey is free to download, and you can try the writing tools for free in the app. Privacy Policy: https://typekey.app/privacy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Website: https://typekey.app
Screenshots
Verdict
The clearest difference is update cadence: TypeKey at every 4 days against Plain's every 4 months. On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Plain sells 3 in-app purchases, starting at $4.99 per 7 days and TypeKey sells 3 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.
Plain ships an update every 4 months, TypeKey every 4 days. Both last shipped on October 30, 2026.
| Parameter | Plain | TypeKey |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | — | 2 — better |
| Update frequency | Every 4 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 26 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | MOBIVERSITE YAZILIM BILISIM REKLAM VE DANISMANLIK HIZMETLERI SANAYI TICARET LIMITED STI | Zentropi LLC |
Customer experience
Plain
TypeKey
In-app purchases
Plain
- 1 Week PRO$4.997 Days
- 1 Month PRO$9.991 Month
- 1 Year PRO$39.991 Year
TypeKey
- TypeKey Premium Weekly3 Days trial$6.997 Days
- TypeKey Premium Monthly$8.991 Month
- TypeKey Premium Yearly3 Days trial$49.991 Year







