Grammar Checker – Pro Tool
Private AI Grammar & Style
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
Instant, private grammar checks. Your text stays on your device. No cloud, no data caps. Buy once or subscribe.
Instant, private grammar and style checks using on-device AI
WHAT YOU CAN DO
- Clear, natural-language explanations for every correction
- Total data privacy: your text never leaves your device
- Unlimited usage with private on-device processing after a one-time model download after setup
- Track your writing progress with detailed history and insights
- Professional, casual, and academic context modes
WHY GRAMMAR CHECKER
- Private on-device processing after a one-time model download
- Your sensitive text never leaves the device for privacy security
- Unlimited, latency-free usage without subscription data caps
- No account required for core features
MEMBERSHIP
Choose a weekly ($2.99), yearly ($5.99), or Lifetime ($7.99) purchase. Subscriptions auto-renew unless canceled. No free trial.
Terms: https://bestpaid.app/legal/terms
Privacy: https://bestpaid.app/legal/privacy
Please note: this is a premium app — an active subscription is required to unlock the app's features.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, Vasilii Polovnikov, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Vasilii Polovnikov
- Size
- 24.4 MB
- Category
- Productivity
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Lifetime $7.99
- Premium $5.99
- Premium $2.99
- Copyright
- © 2026 BestPaid