Grambo

Grambo

Grammar Checker & AI Writing Assistant for Mac

V
@vicgrambo
Published on Apr 22, 2026
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About Grambo

Problem Fixing grammar often breaks writing flow. Most tools either interrupt while you type with constant underlines and suggestions, or require switching context completely. Tools like Grammarly can be distracting, while using ChatGPT or similar tools involves multiple steps like copying text, pasting it into another app, prompting, and then copying it back. These interruptions add friction and reduce productivity, especially for people who write frequently throughout the day. How Grambo solves this Grambo is designed to remove that friction and keep you in your writing flow. Instead of interrupting you while you type, Grambo works on demand. You simply select the text you want to fix, press a keyboard shortcut, and the corrected version replaces it instantly, right where you are. No popups, no switching apps, no extra steps. How it works Works across all apps on macOS where text selection is supported Uses a shortcut-based workflow: select → trigger → replace Supports multiple modes depending on user preference: Local AI for fully offline usage and privacy BYOK (Bring Your Own Key) to use your own OpenAI, Gemini, or Anthropic models Cloud mode for users who prefer a simple, no-setup experience What makes it different Grambo focuses on improving your workflow rather than adding more features. The goal is not to constantly guide or interrupt your writing, but to let you write freely and fix things only when you choose to. By reducing context switching and unnecessary steps, Grambo helps you stay focused and get more done without compromising on writing quality.

Product Insights

Grambo provides a shortcut-based writing assistant for macOS that integrates grammar correction directly into existing workflows without context switching. The tool supports multiple processing methods including local AI for privacy, cloud-based correction, and BYOK for API users.

  • Native macOS integration that works across any application supporting text selection.
  • Flexible AI processing options including local offline mode, cloud mode, or BYOK for OpenAI and Anthropic.
  • Immediate text replacement via keyboard shortcuts to eliminate copying and pasting between apps.
  • One-time purchase pricing model starting at $39.99, avoiding recurring subscription fees.

Ideal for: Authors, content creators, and educators who require a distraction-free grammar tool that operates within their existing desktop writing environment.

Discount Codes

62% Off(-62% OFF)

Valid until Jun 21, 2026

Screenshots

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Comments (5)

arpitroy
@arpitroyApr 22, 2026

Congrats on the launch.

V
@vicgramboApr 25, 2026

@arpitroy Thanks. Please check out the app and let me know your feedback.

chaudharyarun5797
@chaudharyarun5797Apr 22, 2026

A native Mac grammar checker with AI writing assistant built in sounds super useful. No more switching to another app or browser tab just to polish your text.

V
@vicgramboApr 25, 2026

@chaudharyarun5797 Exactly. Please check out the app and let me know your feedback if you have any suggestions, please let me know that as well.

snapseekapp
@snapseekappApr 22, 2026

Congrats @vicgrambo!!

V
@vicgramboApr 25, 2026

@snapseekapp Thanks. Please check out the app and let me know your feedback.

CliqSpy
@CliqSpyApr 22, 2026

congratulations on launch!

V
@vicgramboApr 22, 2026

@CliqSpy Thanks. Please check out the app and let me know your feedback.

V
@vicgramboApr 19, 2026

I’m excited to share that I’ve officially launched Grambo 🎉 It’s a Mac app that fixes grammar instantly with a shortcut, without interrupting your writing flow. Select text → press a shortcut → done

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