MARLVEL
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Proofreader AI Grammar Checkerv6.7.1

Released July 14, 2026Major

iOS

What changed

  • New featureIntroduced Writing Insights report with tone, readability, and vocabulary metrics
  • LocalizationAdded Spanish localization for the app
  • LocalizationAdded support for new languages in the keyboard
  • PerformanceImplemented bug fixes and stability improvements for the app and keyboard

Original release notes

- New Writing Insights report: see tone, readability, writing metrics, and vocabulary signals for your texts.
- New Spanish app localization.
- New available languages in the keyboard.
- Bug fixes and stability improvements in the app and keyboard.

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AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Proofreader AI Grammar Checker, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

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