NotesIQ - Substack Notes Analytics vs SuperX
Side-by-side comparison of features, pros & cons, pricing, and community votes (2026).
🏆 SuperX leads with 930 upvotes

1. Stop guessing what to post on Substack Notes
NotesIQ is a powerful Chrome extension designed for Substack creators seeking to optimize their content strategy. By seamlessly integrating with your existing Substack Notes, it transforms raw engagement data into a comprehensive analytics dashboard. Users can see how each Note performs in real-time, identify the best posting times with a heatmap based on their own history, and analyze competitor performance. Additionally, the one-click scheduling feature streamlines content planning, making it easier to maintain consistent posting schedules. What makes NotesIQ stand out is its ease of use—no need for API keys or new account setups, as it simply reads your existing Substack session. This tool is ideal for writers and marketers aiming to grow their Substack audience through data-driven insights and smarter posting habits.
Pros
- Easy to install and use without additional account setup
- Provides detailed engagement metrics for each Note
- Includes a personalized best-time heatmap for optimal posting
- Features competitor analysis for benchmarking
- Offers one-click scheduling to streamline content planning
Cons
- Limited to users of Substack Notes, not broader platforms
- Currently has no free tier details or pricing info available
- Potentially limited analytics depth compared to dedicated analytics platforms
Best for
- • Optimizing Substack Notes content strategy based on engagement data
- • Identifying the best times to post for maximum audience interaction
- • Monitoring competitor performance to refine content approach
- • Streamlining content scheduling to maintain consistency
Pricing: Pricing not verified

All-in-one growth OS for serious 𝕏 creators
SuperX is an all-in-one growth platform designed specifically for serious 𝕏 (formerly Twitter) creators and social media marketers. It consolidates essential tools such as content inspiration, trend research, content rewriting, scheduling, engagement, and analytics into a single interface, streamlining the process of building a strong presence on 𝕏. By leveraging AI-driven insights, SuperX helps creators stay ahead of viral trends, craft personalized content quickly, and optimize posting times for maximum reach. Its comprehensive approach makes it ideal for creators, social media managers, and brands aiming to boost their 𝕏 engagement and growth efficiently. What sets SuperX apart is its emphasis on actionable data and automation, enabling users to spend less time on manual tasks and more time creating impactful content.
Pros
- All-in-one platform combining content ideas, scheduling, engagement, and analytics
- AI-powered trend insights and content rewriting for personalized, viral-ready posts
- Automation features to optimize posting times and engagement efforts
- User-friendly interface tailored for serious 𝕏 creators
- Built-in analytics to track growth and content performance
Cons
- Potential learning curve for new users unfamiliar with comprehensive tools
- Limited information on pricing tiers; likely a subscription-based model
- Dependence on AI suggestions which may require manual editing for best results
Best for
- • Generating daily content inspiration based on viral trends in a niche
- • Scheduling posts at optimal times for increased visibility
- • Engaging with relevant accounts to grow followers organically
- • Performing trend research to inform content strategy
Pricing: Likely offers a subscription-based pricing model, possibly with a freemium tier featuring limited access and paid plans starting around $20-30/month for full features. Exact details are not publicly confirmed but are typical for SaaS social media tools.