Proofreader AI Grammar Checker vs Leaf
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Proofreader AI Grammar Checker
Enhance your writing with an AI-powered keyboard and assistant. Correct grammar, spelling, and punctuation, and improve clarity and style. Generate text, rewrite sentences, and expand your vocabulary anywhere you type.
- AI Keyboard with one-tap proofreading
- Advanced grammar, spelling, and punctuation checker
- AI rewriting and paraphrasing
- Text generation and vocabulary enhancement
- Style and clarity improvements
- Translator and dictionary
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Proofreader: Say What You Mean. Without The Mistakes. Trusted by +1,000,000 people globally. Write clearly and confidently with Proofreader, a grammar checker and writing assistant that works everywhere you type. Fix grammar, improve clarity, rewrite awkward sentences, and detect AI-generated text — without losing your voice. A keyboard that works your way Proofread, rewrite, and create text across apps with the Proofreader keyboard. Clear controls and a fresh design keep your writing tools close: • Proofread to review and apply grammar, spelling, and punctuation corrections. • Rewrite to adjust your tone or rephrase a sentence. Move your favourite styles to the front. • Create to draft emails, messages, and more from a simple prompt. Customise your keyboard with an optional number row, period key and shortcuts, key previews, and emoji skin tones. Save and reuse text Keep replies, addresses, links, and other text you use often in Clipboard. Save and manage clips in the app or keyboard, then tap a clip to paste it while you write. Write better in seconds Check grammar, spelling, punctuation, sentence structure, and readability. Review corrections and clear explanations that help you improve your writing over time. Check and improve writing in English, Spanish, French, German, Portuguese, and more. Rewrite without changing your voice Proofreader's rewrite and paraphrasing tools help you reword text naturally while preserving your meaning. Refine the tone, improve clarity, or find another way to express your ideas. Rewrite messages, emails, essays, captions, and documents in different styles and lengths: • Polish • Formal • Casual • Confident • Engaging • Academic • Empathetic • Creative • Humorous • Shorten • Expand Easy help for proper writing Whether you're a native speaker or still learning, Proofreader helps you correct grammar, improve sentence structure, expand your vocabulary, and understand corrections. Choose from multiple English dialects: American, British, Australian, Canadian, New Zealand, or South African. Writing insights Get a clear report on how your writing reads beyond individual corrections. See clarity, tone, readability, word and sentence counts, reading and speaking time, sentence length, and word variety. Detect AI-generated text Not sure if a piece of writing sounds too robotic? Proofreader's AI Detector analyzes your text and tells you how likely it is to be AI-generated, highlighting the passages that read as machine-written. Use the AI Detector to: • Check whether text reads as human or AI • See a clear human / review / AI verdict • Spot and highlight AI-sounding passages • Edit flagged text to sound more natural and authentic More tools in the app • Translator for 100+ languages • Dictionary and definitions • Contextual vocabulary suggestions • Text reader to hear your writing aloud • Writing explanations and style suggestions Privacy-first by design Your writing stays private. Writing tools process the text you submit to provide corrections, rewrites, and other results. Clipboard clips you choose to save are stored on your device. You can edit or delete them in the app or keyboard. Try Proofreader Pro Get advanced writing tools, including: • Unlimited rewriting • AI text generation • Advanced writing styles • Vocabulary enhancements • Pro grammar corrections • Professional writing tools • AI Detection Licensed Application end User License Agreement (EULA): https://www.apple.com/legal/itunes/dev/stdeula/ Start your free trial today and experience faster, clearer, and more confident writing.
Leaf
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Leaf is a fast, private PDF editor that stays smooth whether you open a one-page receipt or a four-thousand-page manual. Most PDF apps choke on big files or bury the basics behind a subscription. Leaf does neither. Everything runs on your device — your documents never leave your iPhone, iPad, or Mac. EDIT WITHOUT THE WAIT • Reorder, rotate, and delete pages with a tap or a drag • Open enormous PDFs that crash other apps — Leaf only loads what's on screen • Continuous scroll, single-page, and grid views; pinch to zoom anywhere • Find & replace text across the whole document • Add, edit, and remove text right on the page • Draw and place your signature • Insert page numbers, headers, and footers SCANNED PAGES, SEARCHABLE • On-device OCR recognizes text on scanned pages (up to 10 pages per document) so Find works everywhere • No cloud processing — recognition happens entirely on your device SHARE IT YOUR WAY • Export pages as PDF, PNG, or JPG • Print straight from the app • Fill-and-sign workflows with text and signature overlays PRIVATE BY DESIGN Leaf makes no network calls and collects no data. There are no analytics, no ads, no account, and no third-party SDKs. What you open stays with you. Free. No subscription. Works on iPhone, iPad, and Mac.
Screenshots
Verdict
The clearest difference is in-app purchases: Leaf at none against Proofreader AI Grammar Checker's 11. 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
Both are free to download. Proofreader AI Grammar Checker sells 8 in-app purchases, starting at $4.99 per month. Leaf asks for nothing beyond the download.
| Parameter | Proofreader AI Grammar Checker | Leaf |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (3.3K ratings) — better | — |
| Positive reviews | 64.7% of reviews | — |
| Number of ratings | 3.3K — better | — |
| Update frequency | Fortnightly | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, iPad | iPhone, iPad, Mac — better |
| Requires iOS | 16.6 | 16.0 — better |
| Further details — not scored | ||
| Size | 59 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | BlueSoar SL | Luke David |
Bugs and requests
Proofreader AI Grammar Checker
Reported bugs
4 issues- Difficulty cancelling subscriptions
- Unexpected charges during free trials
- App crashes or freezes
- Incorrect grammar/spelling corrections
Requested features
5 requests- Keyboard integration for easier use
- More customization options
- Improved accuracy and consistency
- Desktop/browser extension version
- Better handling of creative/informal writing styles
Leaf
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Proofreader AI Grammar Checker
- Proofreader Pro7 Days trial$4.991 Month
- Proofreader Pro7 Days trial2 variants$9.991 Month
- Monthly Plan7 Days trial$9.991 Month
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- Proofreader Pro7 Days trial$13.493 Months
- Proofreader Pro7 Days trial2 variants$24.993 Months
- Proofreader Pro7 Days trial$39.991 Year
- Proofreader Pro7 Days trial2 variants$47.991 Year
- Proofreader Pro7 Days trial$49.991 Year
Leaf
No in-app purchases
Questions
Is Proofreader AI Grammar Checker free?
Is Leaf free?
Do Proofreader AI Grammar Checker or Leaf have ads?
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