# ParagraphAI vs Write Brain

ParagraphAI は月間 23,267 訪問、前月比成長率 -34.6%、料金体系フリーミアムを記録しています。Write Brain は月間 0 訪問、成長率 0%、料金体系フリーミアムを記録しています。

| 指標 | [ParagraphAI](https://openaitools.app/ja/tool/paragraphai) | [Write Brain](https://openaitools.app/ja/tool/write-brain) |
| :--- | :--- | :--- |
| ウェブサイト URL | https://paragraphai.com | https://writebrain.io |
| カテゴリ | AI Writing Assistants, AI Writing, AI テキスト生成, AI文法チェッカー | AI Writing Assistants, AI文法チェッカー, AI 翻訳, AIクリエイティブライティング |
| 料金モデル | フリーミアム | フリーミアム |
| 月間訪問数 | 23,267 | 0 |
| 前月比成長率 | -34.6% | 0% |
| 主要市場 | アメリカ合衆国 | グローバル |
| ダイレクト訪問 | 12,566 | 0 |
| レビュースコア | 4.2 | 4.1 |
| 保存数 | 4 | 1 |
| 対応プラットフォーム | ウェブサイト | ウェブサイト |

## ParagraphAI

ParagraphAI is an AI writing assistant and keyboard that fixes grammar, drafts replies and generates polished text in 40+ languages across apps and devices.

**料金とプラン:** Free tier with 5 daily uses of Create, Fix, Reply and Edit, basic tone filters and 1,000-character inputs. Pro costs $24.99 per user per month, or $12.49 per user per month billed yearly at $149.88, adding unlimited uses, advanced editing, 10,000-character inputs and cross-platform history. Enterprise is custom-priced.

- **One-tap grammar and spelling fixes:** Select any text in an app, email or message and correct all grammar and spelling errors in one tap instead of reviewing word by word.
- **Instant replies:** Generate a contextually appropriate response to an email or chat message instantly, then adjust the tone before sending.
- **Tone and style editing:** Sliders and filters adjust formality, friendliness, length, rephrasing and emoji so output matches your personal voice.
- **40+ languages:** Write and translate content in more than 40 languages through input and output language settings, which is especially useful for ESL users.
- **Reusable templates:** Templates let you store reusable instructions so recurring writing tasks produce consistent, tailored output at scale.
- **On-the-fly summarization:** Condense web pages, PDFs and long documents into key points without leaving the writing surface.

**強み:** Works system-wide via keyboard and extension, so it fits existing apps; Covers grammar, replies, rewriting, translation and summarization in one tool; Strong fit for non-native speakers and users with dyslexia; Free tier is genuinely usable with no card required

**制約・デメリット:** Pro pricing is on the higher side compared with some general-purpose writing tools; Free tier is capped at 5 uses a day and 1,000 characters; Best experience depends on installing the keyboard or browser extension; Enterprise features require contacting sales

[Profile (Markdown)](https://openaitools.app/ja/tool/paragraphai.md)

## Write Brain

Write Brain is a Chrome extension that adds one-click writing improvements to any text field on the web, covering grammar fixes, clearer phrasing, tone changes, translation, and emoji suggestions.

**料金とプラン:** Freemium. The extension is free to install from the Chrome Web Store, and the store listing indicates in-app purchases are available for paid features or higher usage limits.

- **One-click grammar fixes:** Automatically spot and correct typos and grammar slips in any text field and fix them with a single click before you send.
- **Conciseness and clarity:** Strip out verbose corporate phrasing and unnecessary words to turn rambling drafts into clear, direct messages.
- **Writing enhancement:** Turn a rough outline into richer, more descriptive prose with quick suggestions on how to phrase your point better.
- **Inline translation:** Translate text in place, so you can read foreign-language comments or reply to customers in their own language.
- **Emoji suggestions:** Get context-appropriate emoji suggested for paragraph endings and as bullets for list items to add personality.

**強み:** Works directly inside any website's text fields, no copy-paste required; Covers grammar, conciseness, tone, translation, and emoji in one menu; Fast, one-click improvements suited to short-form and social writing; Lightweight browser extension with a simple learning curve

**制約・デメリット:** Requires installing a Chrome extension before most features work; No dedicated desktop or mobile app; Feature set is narrower than full document editors like Google Docs add-ons; Grammar and rewrite quality can miss nuanced or technical language

[Profile (Markdown)](https://openaitools.app/ja/tool/write-brain.md)

## よくある質問

### ParagraphAI と Write Brain の月間トラフィックはどのように比較されますか？

ParagraphAI の月間訪問数は 23,267、Write Brain は 0 です。トラフィックの推定値はオーディエンスの規模を示すものであり、製品の品質を示すものではありません。

### 成長率はどのように比較されますか？

ParagraphAI の前月比成長率は -34.6%、Write Brain は 0% です。

### 料金はどのように比較されますか？

ParagraphAI: フリーミアム。Free tier with 5 daily uses of Create, Fix, Reply and Edit, basic tone filters and 1,000-character inputs. Pro costs $24.99 per user per month, or $12.49 per user per month billed yearly at $149.88, adding unlimited uses, advanced editing, 10,000-character inputs and cross-platform history. Enterprise is custom-priced. Write Brain: フリーミアム。Freemium. The extension is free to install from the Chrome Web Store, and the store listing indicates in-app purchases are available for paid features or higher usage limits.

## 代替ツール

| # | ツール名 | 月間訪問数 | 前月比成長率 | 料金モデル | Summary | Profile (Markdown) |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 1 | [Grammarly](https://openaitools.app/ja/tool/grammarly) | 58,867,412 | -1.5% | フリーミアム | リアルタイムの文法修正、トーン調整、著作性の追跡、チーム向けスタイルガイドを提供するクロスプラットフォームAIライティングアシスタント。 | [.md](https://openaitools.app/ja/tool/grammarly.md) |
| 2 | [QuillBot Paraphraser](https://openaitools.app/ja/tool/quillbot-paraphraser) | 36,630,337 | +2.3% | フリーミアム | QuillBot is an AI writing suite best known for its paraphrasing tool. Users paste or type text and have it rewritten in different tones and styles, while companion tools handle grammar checking, summarizing, citations, p | [.md](https://openaitools.app/ja/tool/quillbot-paraphraser.md) |
| 3 | [LanguageTool](https://openaitools.app/ja/tool/languagetool) | 5,707,795 | -4.2% | フリーミアム | 30以上の言語に対応するAI文法・スペル・スタイルチェッカー | [.md](https://openaitools.app/ja/tool/languagetool.md) |
| 4 | [Sider](https://openaitools.app/ja/tool/sider) | 2,644,740 | -10.6% | フリーミアム | 読解・執筆・リサーチのための AI サイドバーとブラウザエージェント | [.md](https://openaitools.app/ja/tool/sider.md) |
| 5 | [Hemingway Editor](https://openaitools.app/ja/tool/hemingway-editor) | 605,169 | -8.6% | 無料トライアル、有料、無料 | 可読性と文法のフィードバックで、力強く明快な文章を | [.md](https://openaitools.app/ja/tool/hemingway-editor.md) |
| 6 | [Wordtune](https://openaitools.app/ja/tool/wordtune) | 368,771 | -5.8% | フリーミアム、無料トライアル | Wordtune is an AI writing assistant from AI21 Labs that rewrites and tightens your sentences in one click, checks grammar, sums up documents and translates other languages into natural English. | [.md](https://openaitools.app/ja/tool/wordtune.md) |
| 7 | [HyperWrite](https://openaitools.app/ja/tool/hyperwrite-ai) | 255,429 | +34.4% | フリーミアム | 自動補完・リサーチ・Chrome拡張を備えたAIライティングアシスタント | [.md](https://openaitools.app/ja/tool/hyperwrite-ai.md) |
| 8 | [Linguix](https://openaitools.app/ja/tool/linguix) | 227,398 | -4.5% | フリーミアム | チームとプロフェッショナルのためのAI文法チェッカー兼ライティングアシスタント | [.md](https://openaitools.app/ja/tool/linguix.md) |
| 9 | [TextAdviser](https://openaitools.app/ja/tool/textadviser-com) | 61,006 | +37.8% | フリーミアム | あらゆるテキストをチェック・修正・改善するAIライティングアシスタント | [.md](https://openaitools.app/ja/tool/textadviser-com.md) |
| 10 | [Mailbutler Smart Assistant](https://openaitools.app/ja/tool/smart-assistant) | 47,200 | -8.7% | フリーミアム、無料トライアル、有料 | 受信トレイの中でメールを下書き・要約・推敲する AI アシスタント | [.md](https://openaitools.app/ja/tool/smart-assistant.md) |

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出典: https://openaitools.app/ja/compare/paragraphai-vs-write-brain

More Markdown: [カテゴリ](https://openaitools.app/ja/categories.md) · [トラフィックランキング](https://openaitools.app/ja/rankings.md) · [llms.txt](https://openaitools.app/ja/llms.txt)