Text your people when there's no cell service.
One place to compare every option: mesh radios (Meshtastic, MeshCore), satellite messengers (Garmin inReach, ZOLEO, SPOT) and satellite texting built into phones (iPhone, T-Mobile T-Satellite, Pixel). Real prices, real plan terms, every number linked to its source.
📡 Mesh radios
Small LoRa radios that pass texts device-to-device for miles. No subscription, no towers. From $15.97.
See the table →📲 Mesh apps
Free phone apps such as Bitchat and Briar message nearby phones over Bluetooth or Wi-Fi, with no cell service and no extra hardware. Short range.
Compare the apps →🛰️ Satellite messengers
Pocket devices that text and send SOS from anywhere with a sky view. Plans from $7.99/mo.
Plans & devices →📱 Your phone
Many newer phones can text by satellite already, sometimes for free. Check before you buy anything.
Phone options →🌐 Satellite internet
Full internet from a portable dish such as Starlink Mini: video calls, streaming, work. Needs real power. Roam plans from $55.00/mo.
Dishes & plans →Which one do you need?
| Mesh app (phone only) | Mesh radio | Satellite messenger | Phone satellite texting | Satellite internet | |
|---|---|---|---|---|---|
| Monthly cost | $0 (free apps) | $0 | About $7.99–$50 | $0–$10 (varies by phone/carrier) | About $55.00–$175.00 (Starlink Roam) |
| Works anywhere? | Only near other phones running the same app (Bluetooth or Wi-Fi range) | Only where other mesh nodes are in range | Almost anywhere with sky view | Covered countries, sky view | Where the service is offered, with a clear sky view |
| SOS to rescuers | No | No | Yes | Yes on many phones | No dedicated SOS service |
| Best for | Crowds, festivals, outages where lots of people are nearby | Groups, events, neighborhoods, tinkerers | Solo backcountry trips | Occasional trips, backup | Remote work, RVs, cabins, streaming |
Guides
Cheapest way to start with Meshtastic (2026)
What the cheapest Meshtastic radios really cost once you add a battery and case, and which one we'd pick for a first node.
Garmin inReach vs ZOLEO (2026): real 2-year cost
Side-by-side plan prices, pause rules, device prices and the total 2-year cost of Garmin inReach and ZOLEO.
T1000-E vs WisMesh Tag: which card-size Meshtastic tracker?
Seeed SenseCAP T1000-E vs RAKwireless WisMesh Tag: price, battery, waterproofing, GPS and chip, from the makers' own spec pages.
Phone satellite texting vs a satellite messenger (iPhone, T-Satellite, Pixel)
Can your iPhone or Android phone replace a Garmin inReach or ZOLEO? What phone satellite texting costs and where it falls short.
Starlink Mini vs Garmin inReach: which do you need off-grid?
Two-year cost, what each can do (full internet vs SOS and texting), power, size and coverage, with dated sources.
Bitchat vs Meshtastic: do you need a radio or just an app?
Free phone app or a LoRa radio? Range, cost, battery, who each one suits (festivals and crowds versus backcountry) and how they work together, with dated sources.