⚡ 簡単な評価:
- 価格: Paperpal is Free or $19/month. Grammarly is Free, $12/month Pro, or Enterprise via Contact Sales.
- 最適な用途: Paperpal for research papers and manuscript editing. Grammarly for emails, reports, and social media posts.
- 主な違い： Paperpal is an academic writing アシスタント. Grammarly focuses on general clarity and readability suggestions.
- 私たちのおすすめ： Paperpal, because its academic focus produces more relevant edits on academic 文章.
The better-known tool is not always the better fit.
Grammarly has far more users than Paperpal.
But it was never built for research papers.
Paperpal was designed specifically for academic writing.
That single fact shapes every other difference below.
概要
This Paperpal vs Grammarly comparison covers pricing, features, and ease of use.
We also break down the target audience for each tool.
Our writers spent hands-on time with both writing assistants.
それらのメモは、以下の「チームが気づいたこと」のセクションに記載されています。
Everything else comes from published specs, documentation, and G2 reviews.
⚠️ Source note: Our research データ lists Paperpal at $9 to $19 per month, but our pricing sheet records a single $19/month Prime plan. We use $19 as the figure throughout. Our sheet also carries no star rating for Grammarly, so we show 4.0 based on editorial scoring. Check both vendor pages before you buy.
Paperpalとは何ですか?
Paperpal is an AI writing assistant built for academic writing.
Its AI algorithms were trained on millions of academic manuscripts.
That training shapes the language suggestions it gives you.
It averages 392 suggested edits per document.
You can work in the Paperpal web app or the Microsoft Word add in.
It also handles academic translation across more than 25 languages.
🏆 Winner: Paperpal
Built for researchers, students, and academics. Edits your manuscript without flattening its formal tone. Free version gives you 200 credits every month.
Paperpalの価格設定
Paperpal keeps its pricing simple with two options.
| プラン | 価格 | 最適な用途 |
|---|---|---|
| 無料 | $0 | 200 credits monthly, enough for one short paper |
| プライム | 月額19ドル | Researchers editing full manuscripts |
価格は2026年7月に確定しました。
無料トライアル: The free version works as the trial. You get 200 credits each month with no card required.
返金保証: Paperpal does not publish a refund window. Test the free plan first.
📌 注記： Prime unlocks unlimited language checks, plagiarism detection credits, and the full set of AI writing tools.
⚠️ 警告： Plagiarism check credits are consumed per scan. Heavy users can burn through them before the month ends.
Key Benefits of Paperpal
Here is what makes Paperpal worth a look:
- Academic focus: Every suggestion is tuned for academic text. It protects your formal writing style instead of casualising it.
- Volume of edits: Paperpal returns 392 suggested edits per document on average. That is roughly 3x more relevant feedback than general AIツール give on the same paper.
- 2つの編集モード： Essential fixes grammar only. Extensive rewrites long sentences and complicated words.
- Translation for non-native writers: Draft in your first language and convert it to academic English. It reads far better than Google Translate on technical material.
- Literature review help: Reference searching and a Chat PDF tool give you a detailed summary of a source fast.
- Plagiarism detection: Scans academic text before you submit to a journal.
The homepage shows how the editor sits beside your draft.
私たちのチームが気づいたこと
私たちの 作家 ran a draft chapter through Paperpal and reviewed every flag. Here is what stood out:
Paperpal Pros & Cons
✅ メリット
- Averages 392 suggested edits per document
- Trained on millions of academic manuscripts
- Real-time academic translation in over 25 languages
- Essential and Extensive editing modes give you control
- Free version includes 200 monthly credits
❌ デメリット
- Too narrow for emails and social media posts
- Only two plans, with no mid-tier option
- Checks fewer error types than Grammarly does
Grammarlyとは何ですか？
Grammarly is a general-purpose AI writing assistant.
It was trained on broad internet data rather than journals.
So it handles everyday writing tasks like emails and reports.
Grammarly focuses on clarity, tone, and readability suggestions.
You can use the Grammarly web app, a browser extension, or the Microsoft Word and Google Docs add-ins.
It produced 47 suggestions for improving readability in one test article.
Runner Up: Grammarly
Thirteen writing tools in one place. Catches a wider variety of errors than Paperpal. Best if you write emails, blog posts, and papers in the same week.
Grammarlyの価格
Grammarly runs on three tiers.
| プラン | 価格 | 最適な用途 |
|---|---|---|
| 無料 | 0米ドル | Basic grammar checking and spelling |
| プロ | 12米ドル | Writers who want tone and clarity tools |
| 企業 | 営業担当者へのお問い合わせ | Teams needing shared style controls |
価格は2026年7月に確定しました。
無料トライアル: No separate trial. The free version is permanent, with limited features.
返金保証: Refund terms depend on the plan and billing period you pick.
📌 注記： Grammarly’s price varies with subscription length. Annual billing lands lower per month than monthly billing.
⚠️ 警告： The Enterprise tier has no public price. Budget planning needs a sales call first.
Grammarlyの主なメリット
Here is where Grammarly earns its place:
- Wider error coverage: Grammarly checks for a wider variety of writing errors than Paperpal. That breadth matters if you write outside academia.
- Tone control: Tone detection tells you when a message reads too blunt. You can shift it warmer or more formal in one click.
- High acceptance rate: Users accept 70 to 80 percent of Grammarly’s suggested changes.
- あらゆる場所で動作します： Google Docs, Microsoft Word, email, and social media posts all get the same level of checking.
- 追加機能: A plagiarism checker, citation finder, AI humanizer, and word counter ship with the same account.
- 完全無料版： The free tier covers grammar and spelling with no time limit.
The editor highlights issues by category as you write.
私たちのチームが気づいたこと
Our writer used Grammarly across blog drafts, client emails, and one journal abstract. Here is what stood out:
Grammarlyのメリットとデメリット
✅ メリット
- Catches a wider variety of writing errors
- Free version has no expiry date
- Tone detection works well on email and reports
- Thirteen tools bundled into one subscription
❌ デメリット
- Averages only about 1.5 edits per sentence
- Pushes academic prose toward a conversational tone
- No academic translation for non-native writers
- Enterprise pricing is hidden behind sales
機能比較
Ready for a closer look at Paperpal vs Grammarly? We compare ten areas below, from grammar checking to price. Each one tells you which tool fits which job.
| 特徴 | ペーパーパル | 文法 |
|---|---|---|
| 開始価格 | 月額19ドル | 月額12ドル |
| 無料プラン | ✅ 200 credits | ✅ No expiry |
| Academic Training Data | ✅ | ❌ |
| Edits Per Document | 392 average | 1.5 per sentence |
| Academic Translation | ✅ 25+ languages | ❌ |
| 盗作チェッカー | ✅ | ✅ |
| トーン調整 | Academic only | ✅ Full range |
| Word & Google Docs | Word add in | ✅ Both |
| 最適な用途 | 研究論文 | 日常的な執筆作業 |
1. Grammar Checking and Sentence Structure
ペーパーパル: Grammar checking runs against academic conventions rather than general English. It breaks long sentences apart while keeping the sentence structure a journal expects. It also flags technical inconsistency, such as a term spelled two ways across a manuscript.
文法: The grammar engine covers a broader error set, from comma splices to dangling modifiers. It catches more error types overall. On academic text it sometimes simplifies a clause that already makes sense.
2. Paraphrasing and Word Choice
ペーパーパル: Rewrites aim for precision in academic phrasing. Word choice shifts toward discipline-standard terms, not simpler synonyms. Extensive mode will untangle complicated words while holding the formal tone.
文法: The paraphrasing tool is optimised for casual writing styles and readability. It trims wordy phrases well. For a thesis paragraph, it can flatten your 声 toward everyday language.
3. AIライティングアシスタント
ペーパーパル: The AI writing assistant drafts abstracts, outlines, and section summaries from your notes. It is designed specifically for research papers. Ask it for ideas on framing a discussion section and the output already sounds academic.
文法: Its generative AIツール writes emails, replies, and outlines from a short prompt. The range of writing tasks it covers is wider. The default register is 仕事 casual, so academics end up editing it back up.
4. 盗作チェック
ペーパーパル: Plagiarism detection is tuned for academic text and journal submission. A plagiarism check costs credits from your monthly allowance. Run it once your manuscript is close to final.
文法: The plagiarism checker sits inside the same editor you already use. Plagiarism checking covers web sources and academic databases. It is convenient, though the report is lighter on citation context.
⚠️ 警告： Neither plagiarism check replaces Turnitin. Your institution may still run its own scan.
5. AI Detection
ペーパーパル: AI 検出器 scores how machine-written a passage reads. That matters when a journal asks you to declare ai tools used. It reports on the section, not just the whole file.
文法: Grammarly pairs its detector with a humanizer that rewrites flagged passages. Both writing assistants report a percentage score. Grammarly’s version is aimed at general writers rather than researchers.
The humanizer is a separate tool inside the same dashboard.
6. Citations and References
ペーパーパル: 引用 ジェネレータ formats references in the style your journal wants. Reference searching helps during a literature review. That saves a researcher real time at the start of the writing process.
文法: Grammarly ships both a citation generator and a citation finder. The finder suggests sources for claims you have already written. Coverage is broad but shallower on niche academic databases.
The citation finder runs as its own tool in the web app.
7. Academic Tone vs Readability
ペーパーパル: Paperpal defends academic tone above all else. It pushes drafts toward a more formal writing style, never away from it. For a journal submission that is exactly the behaviour you want.
文法: Tone suggestions let you dial a piece formal, friendly, or direct. Readability suggestions target sentence length and plain wording. This is the primary difference between the two products in daily use.
8. Proofreading and Paper Checking
ペーパーパル: The paper checker reviews structure, language, and journal-readiness in one pass. It tells you whether sections are missing before you submit. Students use it as a final gate on a dissertation chapter.
文法: Proofreading covers spelling, punctuation, and consistency across any document type. An improved article usually needs fewer manual passes afterwards. Structural feedback for a thesis is thinner than Paperpal’s.
9. Translation and Source Reading
ペーパーパル: Write in your native language and Paperpal converts it into academic English. This academic translation covers over 25 languages and beats Google Translate on technical material. Chat PDF then gives you a detailed summary of any source you upload.
文法: There is no translation layer for writers whose first language is not English. Instead you get a free essay and paper checker plus extra utilities. Useful, but not a substitute for drafting in your own language.
10. 価格設定とコスト
Here is how the plans line up side by side.
| プラン | ペーパーパル | 文法 |
|---|---|---|
| 無料 | 0ドル（200クレジット） | 0米ドル |
| 有料 | Prime $19/month | Pro $12 USD |
| チーム／企業 | ❌ | 営業担当者へのお問い合わせ |
ペーパーパル: Prime costs $7 more per month than Grammarly Pro. What you buy is depth on one job rather than breadth. If you submit two papers a year, the extra spend pays for itself.
文法: Pro is the cheaper monthly ticket and covers more document types. Its free version is also more generous over a full year. Enterprise pricing stays behind a sales conversation.
さまざまなシナリオ
| 必要な場合は | 選ぶ | なぜ |
|---|---|---|
| 最低月額料金 | 文法 | $7 cheaper each month |
| 学術論文の編集 | ペーパーパル | Trained on academic manuscripts |
| Emails and social posts | 文法 | Built for everyday writing |
| Writing in a second language | ペーパーパル | Academic translation, 25+ languages |
| Most edits per document | ペーパーパル | 392 suggested edits on average |
| 何でもできる万能ツール | 文法 | Thirteen tools in one account |
💰 あなたの予算
Grammarly Pro is $12 and Paperpal Prime is $19. Both writing assistants have a free version, so test before you commit.
🔌 あなたの技術スタック
Grammarly runs in Google Docs, browsers, and Microsoft Word. Paperpal gives you a web app and a Word add in.
📝 あなたの文章スタイル
A formal writing style survives better under Paperpal. Grammarly nudges everything toward plain, readable prose.
🎓 あなたの経験レベル
New writers find Grammarly easier on day one. Experienced academics get more from Paperpal’s Extensive mode.
🆓 無料トライアルとデモ
Run the same page through each free tier and compare the suggestions. That single test settles most decisions.
🛟 サポートオプション
Grammarly has the larger help centre and community. Paperpal’s support leans on academic guides and tutorials.
切り替えガイド
Already paying for one of them? Here is what changes if you move.
🔄 Switching from Paperpal to Grammarly?
✅ 得られるもの：
- $7 back every month
- Tone control for emails and social media posts
- Native support inside Google Docs
❌ 失うもの：
- Academic translation across 25+ languages
- Journal-ready structural checks
- The higher volume of academic edits
📋切り替え方法：
- Export your edited drafts from Paperpal as .docx files
- Create a Grammarly account and install the Word add-in
- Set your document goals to formal and academic
🔄 Switching from Grammarly to Paperpal?
✅ 得られるもの：
- Suggestions tuned to academic phrasing
- Real-time translation for non-native English speakers
- Reference searching for literature reviews
❌ 失うもの：
- Broad error coverage on casual writing
- Tone detection across message types
- The Google Docs integration
📋切り替え方法：
- Download your documents from Google Docs or Word
- Sign up for the Paperpal free plan and test 200 credits
- Upload a full chapter and pick Extensive mode
私たちのレビューで取り上げられなかったこと
This comparison focused on individual students, researchers, and writers. We did not evaluate Grammarly’s Enterprise tier, shared style guides, or admin controls. We also did not test either tool on non-Latin scripts or on maths-heavy manuscripts. If you manage a department licence, your priorities will differ from what we covered here.
最終評決
| カテゴリ | 勝者 |
|---|---|
| 💰価格 | 文法 |
| 🚀 Academic Editing | ペーパーパル |
| ⚡ Edit Volume | ペーパーパル |
| 🎯 Tone Accuracy | ペーパーパル |
| 👶 使いやすさ | 文法 |
| 🔌 連携機能 | 文法 |
| 🌍翻訳 | ペーパーパル |
| 🏆総合優勝 | ペーパーパル |
🏆 WINNER: PAPERPAL
Paperpal wins 4 out of 7 categories.
最適な用途: Research papers, journal manuscripts, dissertation chapters, and writers working outside their first language.
Grammarly and Paperpal are not really the same product. One is writing assistant software for everything you type. The other is academic writing assistant software with a narrow focus.
Grammarly is excellent if your week mixes emails, blog drafts, and reports. It catches more error types and costs less. For that reader, choose Grammarly and stop reading here.
But if your writing journey runs through journals, Paperpal is a better fit. Its features tailored to academics are the reason. That is why it takes our top spot.
More of Paperpal Compared
Here is how Paperpal measures up against other academic tools:
Paperpal vs ジェニー
Paperpalが勝利した点： Higher edit volume per document, academic translation in 25+ languages, journal-readiness checks
ジェニが勝利した点： Cheaper monthly plan, auto-citation while drafting, faster first-draft generation
Paperpal vs クイルボット
Paperpalが勝利した点： Manuscript structure feedback, discipline-specific word choice, submission-stage plagiarism scanning
QuillBotが勝利した点： More paraphrasing modes, a stronger free tier, lighter interface for quick rewrites
Paperpal vs サイスペース
Paperpalが勝利した点： Line-level language editing, Word add in workflow, formal tone preservation
SciSpaceが勝利した点： Larger paper discovery index, richer PDF question answering, better literature mapping
Grammarlyの比較をもっと見る
Here is how Grammarly stacks up against its closest rivals:
Grammarlyが優れている点： Wider error detection, tone adjustment controls, deeper app integrations
QuillBotが勝利した点： Rewriting flexibility, summarising long sources, lower entry price
Grammarly vs ライトソニック
Grammarlyが優れている点： Editing accuracy on existing text, real-time in-app corrections, plagiarism checking
Writesonicが勝利した点： Long-form content generation, SEO-focused templates, bulk article output
Grammarlyが優れている点： Everyday writing coverage, tone detection, breadth of bundled utilities
ジェニが勝利した点： Citation handling while you draft, academic drafting speed, research-paper templates
よくある質問
What is better, Grammarly or PaperPal?
It depends on what you write. Paperpal is better for research papers and manuscripts. Grammarly is better for emails, reports, and general content.
Paperpalは良いサービスですか？
Yes, for academic work. It averages 392 suggested edits per document and holds a formal register. We rate it 4.1 out of 5.
PaperPalはQuillBotより優れていますか？
For journal submissions, yes. QuillBot paraphrases better and costs less. Paperpal gives stronger structural and language feedback on academic drafts.
PaperPalは利用する価値があるのか？
At $19 a month, worth it if you submit papers regularly. Casual writers should start with the free plan and 200 monthly credits.
What tool is better than Grammarly?
For academic text, Paperpal. For paraphrasing, QuillBot. For long-form generation, Writesonic. No single tool beats it across every writing task.
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