Nelos

Stay connected beyond cell coverage. Nelos is an offline messaging, location sharing, and tracking app for families and small teams using MeshCore-compatible LoRa radios. Message your team, see everyone on a map, find trackers, and coordinate even when cell service or internet isn’t available. STAY TOGETHER OFF-GRID • See teammates and compatible trackers on one map • Send team messages and direct messages over LoRa • Track family members, pets, and personal belongings with compatible trackers • Find a tracker faster with Find Mode • Create Safe Zones and get alerts when a tracker leaves them • Send help requests and coordinate responses with your teams • Create and join teams offline using QR codes READY FOR THE OUTDOORS • Download detailed offline maps worldwide • Mark campsites, meeting points, hazards, and other locations with waypoints • Review the last 24 hours of location history MORE WITH NELOS PRO Unlock multiple active teams, unlimited offline maps, and up to 90 days of location history with a one-time lifetime purchase. PRIVACY-FOCUSED No account required. No central message server. Built for families, hiking, camping, outdoor adventures, travel, volunteer teams, festivals, and other off-grid situations. COMPATIBLE HARDWARE REQUIRED Off-grid communication requires MeshCore-compatible LoRa hardware. Download maps before heading out. Location updates and message delivery depend on your devices, radio conditions, terrain, positioning availability, and permissions. Help requests are sent to your Nelos teams, not emergency services. Nelos should not be your only means of communication or safety in critical situations.