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Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.

RewriteBar logo
RewriteBar
✓ verifiedFree trial

macOS menu-bar AI writing assistant that fixes grammar, translates, and runs custom text-rewriting actions in any app via keyboard shortcut.

15K visits/mo37K saves
Inbox Zero logo
Inbox Zero
✓ verifiedFree trial

Open-source AI email assistant that auto-labels mail, drafts replies in your voice and helps clear your inbox from web or Slack.

68K visits/mo1.6K saves
248K visits/mo4.8K saves
AnythingLLM logo
AnythingLLM
✓ verifiedFree

Free all-in-one desktop AI app to chat with your documents and run RAG and AI agents fully local and private.

682K visits/mo
Gumloop logo
Gumloop
✓ verifiedFreemium

No-code platform for building and running AI agents that automate work across data, sales and support tasks.

701K visits/mo
Pricing
Standard: $29 one-time (1 device, 35,000 one-time credits)
Pro: $59 one-time (3 devices, 3,000,000 credits/month, includes 1-year AI Gateway subscription)
Extra Device add-on: $19 one-time
RewriteBar Gateway: $40/year (53 AI models, 3,000,000 credits/month)

Free trial available

Starter: $18/user/mo
Plus: $28/user/mo
Professional: $42/user/mo

Free trial available

No public pricing

No public pricing

Pro: $37/month (20k+ credits/month, unlimited seats)
Core features
  • Grammar and spelling correction triggered from any app
  • Translation across 500+ languages
  • Custom, chainable AI actions (e.g., summarize, humanize, fix JSON)
  • PopClip integration and global keyboard shortcuts
  • Support for local AI models (Ollama, LM Studio, Apple Intelligence)
  • One-time license options instead of mandatory subscription
  • Side-by-side comparison of rewritten vs. original text
  • Automatic email labeling and categorization
  • Pre-drafted replies in your voice
  • Bulk unsubscribe and archive
  • Auto-files attachments to Drive/OneDrive
  • Works from web, Slack and Telegram
  • Open-source and self-hostable, SOC 2 Type 2
  • Lifelike voice AI agents
  • 24/7 availability
  • Customer-led conversational platform
  • Integration with enterprise systems
  • Chat with your documents (RAG)
  • Runs locally and offline for privacy
  • Supports any LLM (local or cloud)
  • Built-in AI agents
  • Handles PDFs, Word, CSV, codebases
  • No-code setup
  • Visual canvas to orchestrate multi-agent workflows
  • Prebuilt specialized agents (data, support, CRM, sales)
  • Access to many AI models with no vendor lock-in
  • Slack, Teams and email agent interaction
  • Recurring/scheduled tasks and triggers
  • Enterprise security: RBAC, VPC, audit logs, spend controls
Use cases
  • Mac users wanting quick grammar and tone fixes without leaving their app
  • Multilingual users translating text inline while writing
  • Developers wanting one-click JSON error fixing or ASCII art generation
  • Privacy-conscious users preferring local AI models over cloud APIs
  • Reaching inbox zero quickly
  • Drafting replies faster
  • Cleaning up subscriptions
  • Managing email without switching apps
  • Answering customer service calls
  • Providing information and support
  • Resolving customer issues
  • Automating call center operations
  • Privately querying your own documents
  • Running local AI without the cloud
  • Building AI agents over your data
  • Using multiple LLM providers in one app
  • Automate data analysis and reporting
  • Triage support tickets and spot patterns
  • Keep a CRM updated and research prospects
  • Deploy AI agents across a team's tools
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