HowTall vs Cal.com Companion Apps
Side-by-side comparison of features, pros & cons, pricing, and community votes (2026).
🏆 Cal.com Companion Apps leads with 636 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.
Native iOS & Android App + Browser Extensions for scheduling
Cal.com Companion Apps bring the power of seamless scheduling directly to users' mobile devices and browsers, addressing a long-standing demand for native and extension-based access. After four years of development and customer feedback, Cal.com has launched its native iOS and Android apps, along with browser extensions for Chrome, Firefox, Safari, and Edge, making appointment setting and calendar management more accessible and efficient. These tools are ideal for busy professionals, teams, and businesses that rely on quick, integrated scheduling without switching platforms or losing productivity. What makes Cal.com Companion Apps stand out is their ability to blend native mobile experience with browser extensions, offering flexible, on-the-go scheduling that syncs effortlessly with existing Cal.com accounts. This comprehensive approach enhances user convenience and ensures that coordinating meetings is smoother than ever, regardless of device or browser.
Pros
- Native apps for iOS and Android improve mobile scheduling experience
- Browser extensions for Chrome, Firefox, Safari, and Edge enhance accessibility across platforms
- Seamless integration with Cal.com calendar for real-time updates
- User-friendly interface designed for quick scheduling and management
- Supports remote teams with easy sharing and syncing capabilities
Cons
- Potential learning curve for new users unfamiliar with browser extensions
- Limited information on free vs paid plans; likely subscription-based
- Features may vary between mobile apps and browser extensions, requiring adaptation
Best for
- • Scheduling meetings on-the-go via mobile apps
- • Quickly creating or adjusting appointments using browser extensions
- • Managing multiple calendars from different browsers or devices
- • Facilitating remote team coordination across multiple platforms
Pricing: Likely operates on a freemium model, offering basic scheduling features for free with premium plans starting at a certain monthly fee for additional functionalities and integrations. Exact pricing details are not specified but are typical for SaaS scheduling tools.