Compare tools
Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.
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WriteMage
✓ verifiedFree trial
A macOS/iOS utility that overlays ChatGPT on any app, Spotlight-style, with memory and locally saved chat history.
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Grammarly
✓ verifiedFreemium
Widely used AI writing assistant offering grammar, tone and rewrite suggestions plus generative AI across apps; free tier available.
54M visits/mo
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GLM-5.2
✓ verifiedFree
GLM model line assistant for presentations, writing and coding; real LLM product.
8.5M visits/mo573 saves
Pricing
Lifetime Deal: $58.99 one-time launch sale (2 macOS devices, iOS keyboard)
Basic: $10/mo ($119.99 billed annually, provide your own API key)
Personal: $11.87/mo ($142.49 billed annually, 750,000 words/month, managed API)
Free trial available
Free: $0
Pro: $12/member/mo billed annually (or $30/mo)
No public pricing
Core features
- ✦Floating ChatGPT overlay usable in any macOS app
- ✦Session memory for continued context in a conversation
- ✦Locally saved, labeled chat history
- ✦Custom Prompt Editor GUI
- ✦Native iOS keyboard integration
- ✦Option to use your own OpenAI API key
- ✦Real-time grammar, spelling and clarity checks
- ✦Full-sentence and paragraph rewrites
- ✦Tone and brand-style suggestions
- ✦Generative AI text with prompts
- ✦AI detector and humanizer agents
- ✦Works across apps, browsers and documents
- ✦AI-powered presentation generation (AI Slides)
- ✦Professional writing assistance (AI writer, content generator)
- ✦Code generation and explanation (AI code generator, code agent)
- ✦Information search and deep research
- ✦Brainstorming ideas
- ✦Text summarization
- ✦Overcoming writer's block
- ✦Automating tedious tasks
Use cases
- →Getting AI writing help without leaving the current app
- →Continuing a chat conversation from a previous day
- →Using ChatGPT inside the iOS keyboard across apps
- →Customizing prompts for repeated writing tasks
- →Writing clear, error-free documents and emails
- →Adjusting tone for different audiences
- →Generating and rewriting text with AI
- →Maintaining brand voice across a team
- →Creating stunning presentations for various purposes.
- →Generating professional-grade written content, including research papers and emails.
- →Writing and explaining complex code scripts, such as Python.
- →Conducting deep research and finding information efficiently.
- →Brainstorming new ideas for projects or content.
- →Summarizing long texts quickly.
- →Getting assistance for academic tasks (for students).
- →Developing marketing content and strategies (for marketers).
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