Whether you want more options like LensDue or a completely different take on the same concept, our curated list of 3+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.
This app helps climbers build custom hangboard workouts quickly and efficiently. It offers a simple interface to personalize grip types, feedback, and workout structure. Track your progress with detailed history and notes to optimize training.
Track and analyze your rowing, paddling, and SUP workouts with real-time metrics, custom workouts, and course plotting. Integrates with Apple devices and popular fitness platforms for comprehensive performance monitoring and data export.
What We Love
👍 Comprehensive metrics and customizable display options
💰 Significantly cheaper than dedicated NK SpeedCoach devices
📊 Excellent data visualization and post-workout analysis
🗺️ GPS mapping and course tracking capabilities
❤️ Bluetooth heart rate monitor integration
⚡ Accurate stroke rate and distance measurements
🔄 Seamless syncing with Strava, Apple Health, and other apps
🎯 Customizable workout creation and interval training
📱 Works across multiple boat types (rowing, kayaking, paddling)
🌙 Clear display visibility in low light conditions
🤝 Responsive developer support and continuous updates
♿ VoiceOver accessibility for blind rowers
⚙️ Flexible customization for different sport disciplines
Room to Improve
🔋 Significant battery drain on iPhone (reported ~75% in 2 hours)
📡 GPS accuracy issues affecting split times and pace readings
🐛 App stops tracking or crashes when phone locks or other apps used
⚠️ Unreliable meters per stroke calculations
🌞 Poor screen visibility in direct sunlight
🔌 Requires waterproof case/pouch for water safety
❌ No Apple Watch integration or native watch app
🎨 Outdated interface design (recent updates criticized as cumbersome)
📍 GPS connectivity issues in some locations
🔄 Inconsistent performance with Bluetooth connections
⏱️ Unreliable split time readings
🚫 Cannot run reliably in background with other apps open
