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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
933K visits/mo
viral.app logo
viral.app
✓ verifiedFree trial

Analytics and payout platform for tracking UGC creator performance and managing campaigns across TikTok, Reels, and Shorts.

35K visits/mo19K saves
MindSmith logo
MindSmith
✓ verifiedFreemium

Generative-AI eLearning authoring tool for micro-courses.

60K visits/mo86K saves
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

Essential: $24.99 / mo
Premium: $39.99 / mo
Ultimate: $59.99 / mo

No public pricing

Free trial available

No public pricing

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
  • AI-powered trading indicators
  • Screeners for identifying high-probability setups
  • Backtesters for strategy optimization
  • AI Backtesting Assistant for automated strategy building
  • Community support and educational resources
  • Cross-platform UGC analytics for TikTok, Reels, Shorts, and Facebook Reels
  • No-login tracking of any public creator or competitor account
  • Campaign management with creator rosters and posting checks
  • Automated CPM/CPA/milestone-based creator payouts and invoicing
  • AI-based trend and hook analysis from a video library
  • API and integrations with Slack, Discord, and n8n
  • Generative AI-assisted eLearning creation
  • Document conversion to eLearning
  • AI-assisted authoring tool
  • Real-time collaboration
  • Customizable branding
  • SCORM and xAPI sharing
  • Analytics for learning outcomes
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
  • Automating complicated price action analysis
  • Generating trading signals and detecting reversals
  • Scanning assets for specific trading criteria
  • Backtesting and optimizing trading strategies
  • Building trading strategies with AI assistance
  • Brands tracking and paying UGC creators across platforms
  • Marketing teams monitoring competitor short-form video performance
  • Agencies managing multiple influencer campaigns from one dashboard
  • Growth teams researching viral video trends for creative briefs
  • Employee onboarding training
  • Safety and compliance training
  • Higher education interactive asynchronous eLearning
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