Comparison

W Keyboard AI Assistant vs 4invoice

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

W Keyboard AI Assistant

Enhance your writing with an AI-powered keyboard that offers grammar correction, paraphrasing, and text style adjustments. Effortlessly shorten, casualize, formalize, or simplify your messages. Add emojis, slang, and idioms to make your communication more engaging.

Highlights
  • AI-powered writing assistance
  • Grammar and spell correction
  • Text paraphrasing and style adjustment
  • Sentence shortening and simplification
  • Formalization and casualization of text
  • Emojify and text lingo options
Features
Read full description

Step into the future of communication with W Keyboard, a transformative AI-powered quick replying Keyboard and Grammar Corrector designed to elevate your everyday messaging experience. This innovative AI Writing Keyboard gives your words the boost they need, no matter where you're typing. Be it in a chat, a formal email, or a lively social media post, our AI Writer lifts your text to its highest potential. Unlock powerful AI writing with W Keyboard. Effortlessly paraphrase, correct punctuation, enhance grammar, and even emojifies your text! Experience advanced and user-friendly features. 【How It Works】 Getting started with the W Keyboard is a snap. Just download, open, follow the brief steps, grant permission, and voila! Your keyboard is ready. Simply type your text anywhere, select W Keyboard from the globe icon, and let the AI-driven paraphrasing magic take over! It's really that simple! Now, you're ready to elevate your conversations! 【Features】 1-Shorten: If your sentences are too long, W suggests a shorter version. Saves time and keeps your messages crisp. 2-Casualize: If your words feel too formal for a friendly chat, W suggests a relaxed version. Perfect for catching up with buddies. Modify formal language into casual wording for a relaxed vibe. 3-Formalize: If your text is too casual for a work chat, the W keyboard suggests a more formal version. Keep your professional conversations on point. Transition casual language into formal words. Perfect for work chats and professional settings. 4-Better English: If you're struggling with English, W keyboard is here to help. It suggests corrections and better phrasing. It can even translate and improve the non-English text. 5-Emojify: Want to make your messages more fun? W keyboard can turn your sentences into a creative mix of emojis. 6-Simplify: Got a complex sentence? W keyboard suggests a simpler version. Easy to understand for everyone. 7-Text Lingo: Want to spice up your text with slang and abbreviations? Choose Text Lingo. It transforms your selected sentences into SMS-style text lingo language, making your chats trendy and fun. 8-Street and Idioms: Want to add some colour to your conversations? Use Street and Idioms. This feature converts your selected text into more expressive language, peppered with popular idioms and street language. Harnessing the power of advanced AI language models, W keyboard enriches your communication by adding depth, emotion, and style to your everyday conversations. With W keyboard, you're not just chatting, you're captivating, creating a deep and lasting impression with each word you type. Download the W keyboard: AI Writing today and enjoy intelligent replying. Prepare to fix, refine and redefine your everyday text into unforgettable communication. 【Subscription Options】 * W - AI Writing Keyboard is free to download with upgrade options for unlimited PRO features. * You can subscribe for unlimited access to all app’s features. * Subscriptions are billed automatically at the rate depending on the selected subscription plan. * Manage subscriptions and disable auto-renewal through account settings or at: https://support.apple.com/en-us/HT202039. 【Privacy & Security】 Your privacy and security are our top priorities. We will NEVER collect any personal information without your explicit permission. Privacy: https://wowooapps.com/text-enhancer-app/privacypolicy.html Terms: https://wowooapps.com/text-enhancer-app/termsofuse.html

About

4invoice

Features
Read full description

4invoice - быстрый ввод счетов, актов, ТТН в бухгалтерию через смартфон 4invoice - это приложение, которое позволяет сфотографировать счет, акт или ТТН и мгновенно передать его в систему для автоматической обработки. Больше не нужно сканировать документы, сохранять файлы и вручную переносить данные. Просто сфотографируйте документ Сделайте фото счета, акта или накладной прямо в приложении. Документ автоматически отправится в систему 4invoice для обработки. Подходит для ежедневной работы с первичными документами. Распознавание с помощью ИИ В облачной системе 4invoice данные автоматически извлекаются: • поставщик • дата • номер документа • суммы и НДС • позиции товаров и услуг Все данные подготавливаются для передачи в бухгалтерскую программу. Передача в бухгалтерию Распознанная информация передается в вашу учетную систему через API. Без двойного ввода. Без ручных ошибок. Без лишней работы. Для кого подходит - бухгалтеры - бухгалтерские компании - аутсорсинговые фирмы - компании с большим объёмом первичных документов Мобильное приложение используется для быстрого ввода документов. Управление, проверка и контроль обработки выполняются в веб-версии системы. 4invoice — когда документы попадают в бухгалтерию за секунды

Screenshots

W Keyboard AI Assistant4 screens
4invoice4 screens

Verdict

The call

The clearest difference is in-app purchases: 4invoice at none against W Keyboard AI Assistant's 3. W Keyboard AI Assistant's advantage is update cadence (every 6 weeks vs every 3 months). On price, ads, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. W Keyboard AI Assistant sells 3 in-app purchases, starting at $3.99 per 7 days. 4invoice asks for nothing beyond the download.

UpkeepUpdate frequency

W Keyboard AI Assistant ships an update every 6 weeks, 4invoice every 3 months. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 8 level
W Keyboard AI Assistant versus 4invoice: the parameters behind the verdict, then further details
ParameterW Keyboard AI Assistant4invoice
PriceFreeFree
Rating4.6 (38 ratings) — better—
Positive reviews69.2% of reviews—
Number of ratings38 — better—
Update frequencyEvery 6 weeks — betterEvery 3 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS14.0 — better15.1
Further details — not scored
Size47 MB31 MB
Age rating4+4+
DeveloperWowoo Dijital Hizmetler Limited SirketiCuspy Software LLC

In-app purchases

3 purchases

W Keyboard AI Assistant

Subscriptions3
  • AI Keyboard Extension & Typer1 Month trial$3.997 Days
  • AI Keyboard Extension & Typer$3.997 Days
  • All Access$19.991 Year
None

4invoice

No in-app purchases

Questions

Is W Keyboard AI Assistant free?
W Keyboard AI Assistant is free to download, with in-app purchases available.
Is 4invoice free?
4invoice is free to download, with no in-app purchases.
Do W Keyboard AI Assistant or 4invoice have ads?
Neither W Keyboard AI Assistant nor 4invoice shows ads.
Which is updated more often, W Keyboard AI Assistant or 4invoice?
W Keyboard AI Assistant ships an update every 6 weeks, and 4invoice every 3 months. Most recently, W Keyboard AI Assistant was updated on November 3, 2026 and 4invoice on October 31, 2026.

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