Grow Sensor vs DrainMaster Plus

GrowSensor is the ultimate grow room companion. Monitor temperature, humidity, VPD, CO₂, PAR, pressure, and more in real-time. Designed for precision and simplicity, our dashboard and detailed graphs help you optimize every grow cycle. Whether you’re a home grower or a commercial cultivator, get expert-level insights and alerts from your smart sensor to stay on top of your environment. Unlock the full potential of your grow with Grow Sensor.

DrainMaster Plus shows you whether your plants get the right water and feed. Measure what goes into the pot and what drains out, and the app warns you early when salt builds up or the pH drifts. Every plant gets its own journal. Track electrical conductivity (EC), pH and temperature of your feed (nutrient solution) and of the water that drains out (runoff), in µS/cm, mS/cm or PPM (TDS). Calculators for humidity (VPD chart), light (DLI) and EC to PPM, a nutrient calculator for mixing and a grow journal (grow log, plant diary) with photos. For soil, coco coir, hydroponics, houseplants and indoor growing. Live readings over Bluetooth from compatible meters (pH meter, EC meter, pH pen). MEASURE • Guided measurement in a few steps or quick measurement • EC, pH and temperature for input and runoff • Bluetooth: live values directly from Apera meters (e.g. PC60-Z, PH60-Z, EC60-Z) • Display in µS/cm, mS/cm or PPM UNDERSTAND • Recommendations per plant to spot overfeeding, salt buildup and pH problems early • History and charts for every plant • Timeline with germination, stage changes, photos and notes • AI assistant: ask questions about your plant, the answers take its measurements into account (uses coins) TOOLS • VPD, DLI and EC/PPM calculators • Nutrient mixer COMMUNITY • Blog with posts and comments, translated automatically • Report content, block users, moderation with the option to appeal YOUR DATA • Works offline too, measurements and plants are stored on your device • Backup export and import • Optional DrainMaster Cloud: sync and automatic backup on up to 5 devices, 5 GB of storage for photos and 60 coins per month for AI features In 10 languages: German, English, French, Italian, Dutch, Polish, Russian, Spanish, Turkish and Arabic. Suitable for houseplants, hobby gardens, hydroponics and small professional setups. DRAINMASTER CLOUD (SUBSCRIPTION) DrainMaster Cloud is a monthly subscription that renews automatically. The price is shown in the app before purchase. Payment is charged to your Apple Account. The subscription renews unless it is cancelled in your account settings at least 24 hours before the end of the current period. Terms of Use: Apple's standard Terms of Use (EULA) apply: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://drain-master.de/datenschutz/