HowTall vs Agent 37
Side-by-side comparison of features, pros & cons, pricing, and community votes (2026).
🏆 Agent 37 leads with 420 upvotes

Measure anyone's height in real time with iPhone LiDAR
HowTall is an innovative iOS application that leverages LiDAR technology and ARKit body-pose estimation to measure a person's height in real time. Designed for iPhone Pro users with LiDAR sensors (iPhone 12 Pro or later), it allows users to simply point their device at someone and instantly get an accurate height reading in centimeters or feet/inches. Its fully on-device processing ensures user privacy, as no data is sent to servers, and all camera and depth frames are discarded after processing. The app's ease of use and privacy focus make it ideal for health, fitness, or casual use cases where quick, reliable height measurements are needed without the hassle of manual tools or external devices. Its integration of AR and LiDAR technology makes it a standout for those interested in augmented reality applications and real-time measurements, offering a seamless and modern approach to a common need.
Pros
- Accurate real-time height measurement using advanced AR and LiDAR technology
- Privacy-focused with on-device processing and no account requirements
- Easy to use with minimal setup, requiring only an iPhone with LiDAR
- No in-app purchases or subscriptions, free to use
- Supports measurements in both metric and imperial units
Cons
- Limited to iPhone Pro models with LiDAR (iPhone 12 Pro or newer)
- Requires iOS 17+ which may exclude older devices
- Accuracy may vary slightly depending on user environment and positioning
Best for
- • Quick height assessments in health and fitness settings
- • Measuring children or family members casually at home
- • For real estate or interior design to gauge room or furniture heights
- • Educational demonstrations of AR and LiDAR technology
Pricing: Free and straightforward to use, with no in-app purchases or subscriptions, making it accessible for all compatible users.
Your own OpenClaw instance for $3.99/mo
Agent 37 offers a cost-effective and streamlined solution for developers and automation enthusiasts seeking reliable server hosting for AI and productivity workflows. By providing a fully managed, isolated OpenClaw container with 1 vCPU and 4GB RAM for just $3.99/month, it significantly reduces hosting costs compared to traditional providers. Users can set up their environment in under 30 seconds, connect seamlessly to Gmail, Slack, and over 850 apps, and enjoy full terminal shell access. This flexibility makes it ideal for running background tasks, market scanners, and complex workflows around the clock without breaking the bank. Its simplicity, affordability, and instant setup make it particularly attractive to small teams, solo developers, and AI enthusiasts wanting a dedicated environment for automation and integrations.
Pros
- Highly affordable at only $3.99/month for a managed container
- Instant setup, enabling live deployment within 30 seconds
- Full terminal access for advanced customization and automation
- Supports integration with Gmail, Slack, and 850+ apps
- Dedicated, isolated environment ensures security and stability
Cons
- Limited resources (1 vCPU and 4GB RAM) may not suit heavy workloads
- Lacks advanced features found in larger cloud platforms
- Dependent on the OpenClaw ecosystem, which may have a learning curve
Best for
- • Running background automation tasks and scripts
- • Hosting AI and machine learning workflows
- • Market scanning and data scraping
- • Integrating and automating workflows across multiple apps
Pricing: Agent 37 operates on a simple, low-cost subscription model at $3.99/month, offering a fully managed isolated container with full access. It appears to be a straightforward paid plan without free tiers, emphasizing affordability and ease of use for small-scale automation and development tasks.