NoService AI Answers Off the Grid
Off-grid field assistant · SMS & satellite

A ranger in your pocket,
past the last cell tower.

A text gets out where calls can't, and by satellite where there's no cell at all. Ask anything, get one short answer.

Try it free

Opens your messages with TRIP. Send it, tell us where you're headed, and we text back three things people get wrong there.

First aid always free · first 3 on any topic free · no app, no signup. Reply STOP to opt out · Terms & Privacy.

How can you text with no signal?

A text needs a fraction of the signal a call does, so it gets out at the edge of coverage. With no cell at all, it goes by satellite: iPhone 14 and newer, newer Android, Garmin inReach, ZOLEO, SPOT.

Airplane mode blocks satellite too. To test for real: outdoors, clear sky, zero bars.

Carrying an inReach, ZOLEO or SPOT? Set it up on the device, not your phone+

Do not tap the button below from this phone. That starts an account on your phone number, not on the device you will actually carry.

Instead, add +1 (209) 379-8911 to your contacts inside the Garmin Messenger, ZOLEO or SPOT app, then send TRIP from the device itself. That first message is the whole sign up, and the answer comes back into the same conversation.

With an active satellite plan your inReach already has its own US number, so nothing needs pairing on our side. Garmin bills its own messages, so one question plus our answer is two on your plan. That is why we keep every answer to a single text.

Add to contacts

Try it free

What it actually answers

Real questions people sent this number, and the answers that came back.

  • “Need to fix a coolant leak on a 2020 defender, what should I do to get moving”

    Check for a visible hose/clamp leak, tighten or wrap with tape. Top up coolant or water, watch temp gauge, stop if it spikes.

  • “Nearest Ranger station”

    What town or area are you near?

    “[my town]”

    Greenbelt Park Ranger Station: 6565 Greenbelt Rd, about 5 miles out, phone included.

  • “How to find west in forest?”

    Sun sets in west. Or point hour hand of watch at sun; midpoint between it and 12 is south, opposite side west/east split. Moss growth is unreliable, don’t rely on it.

  • “Como me preparar para um furaco cat 4 Flrida”

    Asked in Portuguese, answered in Portuguese.

    Reforce janelas/portas, saia se estiver em zona evac, ache local seguro no interior. Estoque água/comida p/ dias, carro c/ tanque cheio, carregue celular.

Try it free
How it works

Three steps. No setup.

It runs on the one channel that still works past the last cell tower: a plain text message.

01

Save the number

Add +1 (209) 379-8911 to your contacts before you head out. That's the whole install.

Add to contacts

02

Text a question

Ask anything in plain words, over SMS or satellite. There is no form: sending that first text is the whole sign up. Your first 3 answers are free.

03

Get one clear answer

Short, expert, sized to fit a single satellite text. Top up anytime by texting BUY.

Set it up while you still have bars.

You cannot buy this where you need it. Out of range means no payment page, no card, nothing. Save the number and send one free question right now, from your couch. Twenty seconds, and it is there for the next trip.

Try it free
First aid · Always free

First aid is always free. Even if you never pay us.

Urgent first-aid questions (CPR, choking, severe bleeding, burns, stings, poisoning) get a full answer free, for everyone, at any balance. So set it up as insurance you hope never to use: send one free text now and the number is in your phone for the worst day, whether or not you ever buy anything.

Text a question free

Not a medical service. In a life-threatening emergency, use your device's SOS first.

Works on
Any SMS phone Apple satellite Starlink Direct to Cell T-Mobile satellite Garmin inReach ZOLEO Globalstar SPOT
Plan your trip

Built for the far side of the map.

One well-read companion for first aid, gear fixes, navigation, food & water, wherever the signal ends.

Lone hiker on an alpine trail at golden hourHikers

On the trail

Water safety, trail calls, blister & tick fixes, "fire in the rain?"

4x4 on a remote dirt trackRoadtrippers

Backroads

Won't-start diagnostics, tire & recovery tricks, fuel-range math.

Small sailboat offshore on open waterSailors

Offshore

Tides, knots, engine trouble, rules-of-the-road at 2am.

Remote field camp in the wildernessHunters & crews

Backcountry camp

Field-dressing game, gear repairs, procedures on a dark site.

Snow-capped peaks above a high alpine valleySkiers & sledders

High country

Avalanche sense, layering calls, sled fixes, cold-injury first aid.

Old city and river bridge in a foreign town at duskTravelers

Abroad, no data plan

Plain SMS on a local SIM or roaming, no data plan or app. Ask in 50+ languages: directions, phrases, what's safe to eat.

Why it exists

Coverage ends. Your questions don't.

Most national parks and backcountry sit far beyond reliable coverage. Past the trailhead, dead zones are the rule, not the exception. NoService AI works where data can't: advanced AI you reach with a plain text, by SMS or satellite.

3
free questions to start, no card needed
<1 min
typical reply over cell or Wi-Fi text
50+
languages, ask in yours
6
satellite networks supported
Field Reports

Stories from where the signal ends.

Notes people texted us from the backcountry. Read a report, leave a note of your own. Your comment stays private to your device.

Silty glacial tarn below high granite peaksWind River Range, WY · August 2025

The cloudy tarn at 11,000 ft

MR Maya R.Solo thru-hiker

Two days in, my filter clogged and the only water for miles was a silty tarn full of glacial flour. I had no idea if boiling would even touch it, so I texted the number.

The answer came back in under a minute: glacial flour is fine sediment, not a pathogen, so it won't hurt me, but it will keep clogging a filter. It walked me through pre-settling the water in my pot for 20 minutes, decanting the clear top, then boiling that. Rolling boil for one minute at my altitude.

I asked a follow-up about backflushing the filter with the clear water and it told me exactly how. That single exchange saved me a full day of hiking back to a lower creek. I still can't believe it worked with zero bars.

Not a substitute for planning (I'd packed backup tablets), but when you're tired and second-guessing yourself, one clear answer is everything.

👁 12,480 💬 3

Comments

JT
Jordan T.
The pre-settling trick is legit. Learned it too late on my JMT trip 😅
DL
Dana L.
Saving this. Heading to the Winds in August, filter always clogs up there.
PS
Priya S.
Wild that it worked over satellite. What device were you on?
Pickup stopped on a remote forest dirt road at duskGila Nat'l Forest, NM · April 2026

The truck that wouldn't start on Forest Road 154

CG Carlos G.Overlander

Forty miles from pavement, the truck cranked but wouldn't catch. No bars, no one coming. I texted a description of the symptoms and what I could hear.

It asked three quick questions (did it crank strong, was there a fuel smell, had I driven through deep water), then had me check the obvious killers in order: kill switch, fuse for the fuel pump, and whether I could hear the pump prime when the key went to ON.

The pump was silent. It walked me to the relay in the under-hood box, had me swap it with the identical horn relay, and the truck fired on the first turn. I'd have never thought to swap relays out there.

I keep a real toolkit and know my rig, but that back-and-forth turned a tow-truck day into a 15-minute fix. Bought the unlimited plan the second I had signal again.

👁 9,317 💬 3

Comments

RW
Rick W.
The relay swap is the oldest trick in the book and I STILL forget it every time.
AN
Ana N.
This is exactly why I stopped relying only on offline PDFs. Follow-up questions matter.
TM
Tom M.
FR 154 is no joke. Glad you got out.
Small sailboat anchored in a dark cove at nightSan Juan Islands, WA · June 2025

The 2am anchor check in the San Juans

EH Erin H.Weekend cruiser

Anchored in a tight cove with no cell, the wind clocked around at midnight and I wasn't sure if my swing room still cleared the rocks with the tide dropping. Texted the number half-asleep.

It had me work out my scope from rode paid out and depth, then reason through the tide swing over the next six hours against the chart depth I read off. The math said I'd clear, but barely, so it suggested letting out another 15 feet of rode and setting an anchor-drag alarm bearing on a fixed light ashore.

I did both and slept. At first light everything was exactly where it should be. Having something to talk the decision through with at 2am, alone on the water, is worth the subscription by itself.

Obviously I still trust my own eyes and my depth sounder first, but a calm second opinion in the dark changed how the whole night went.

👁 7,905 💬 2

Comments

BK
Ben K.
Anchor-drag bearing on a shore light. Simple, and it works. Doing this tonight.
LF
Lena F.
The San Juans have zero signal in half the coves. This is genuinely useful out there.

"Texted 'tick attached 12h, how to remove + what to watch for' from a ridge with no bars. Got a clean, calm checklist. Huge."

SN Sam N.Appalachian Trail · May 2025
👁 4,120 💬 1

"Snapped a tent pole in a storm. It talked me through a splint with a stake and tape. Held all night."

DV Devon V.North Cascades · Sep 2025
👁 3,540 💬 1

"Gifted it to my dad who hunts alone in Montana. He's texted it about everything from map bearings to a limping dog. Best $89 I've spent."

KP Kelsey P.Gift buyer · Dec 2025
👁 5,672 💬 2

Names shortened for privacy. Answers can be wrong; verify anything safety-critical.

Pricing

Pay as you go, or stay ready.

Start with 3 free questions, no card. Pick a plan when you're ready.

MOST POPULAR
Always Ready
$5.99/mo $7.99
Unlimited messages, billed annually at $71.88
  • No limits, ask as much as you need
  • Always ready before every trip
  • Cancel anytime by text
Pay-as-you-go
$1515¢ / MESSAGE
100 messages
  • Great for a single trip
  • Messages valid 12 months
  • No subscription needed

First-aid answers are always free and never count against your messages.

No data sold · Cancel anytime · SMS isn't end-to-end encrypted.

When you don’t need us

  • You have signal and someone is dying. Call 911 first, every time. We are for when the call will not connect.
  • You already carry a beacon or a satellite messenger. Keep it. A beacon gets a message out; it does not tell you how to splint an ankle or whether that water is safe. Different jobs, and they work together.
  • You want a diagnosis. We are not a medical service. We give the steps that matter in the first minutes, and we say plainly when something is beyond us.
Invite a friend

Give a month. Get a month.

Know someone who heads past the last trailhead with no signal? Send them your invite link. When they join, you both get a free month of unlimited answers, or +50 messages if you're on the pack.

01

Text INVITE

Send INVITE to +1 (209) 379-8911 and we reply with your personal link.

02

Share it

Your friend opens the link and gets 3 free questions to try, no app or signup.

03

You both win

After their first purchase, your reward lands: a free month of unlimited, or +50 messages on the pack.

Text INVITE to get your link

Free month renews at $7.99/mo after, cancel anytime by text. Rewards land after your friend's first purchase.

Before you lose signal

Set it up while you still have bars.

Save the number, send your first question free, and add a card so you can top up from anywhere, even over satellite.

Try it free
FAQ

Know before you go.

How do messages work?+

One message = one question and its answer. Your first 3 are free. After that, get the $15 pack (100 messages) or go unlimited: $5.99/mo billed annually, or $7.99 month to month. Text BALANCE anytime to check what's left.

Do first aid questions cost a message?+

No. Urgent first-aid questions (CPR, choking, severe bleeding, burns, stings, poisoning) are answered in full for free, for everyone, even at zero balance, up to a daily safety cap. They never count against your pack or subscription. In a life-threatening emergency, use 911 or your device's SOS first.

Can I top up when I'm already off-grid?+

Yes, if a card is saved in advance. Top-ups run over plain SMS: text BUY and we charge your saved card, no internet needed. Set it up while you still have bars.

What devices are supported?+

With cell signal, any texting phone works. No app, no special gear. Off-grid, with no cell at all, you need a device that can text over satellite:

  • iPhone 14 or newer (Messages via satellite)
  • A recent smartphone on a satellite plan (Starlink Direct to Cell or T-Mobile satellite)
  • ZOLEO satellite messenger
  • SPOT X or another Globalstar messenger

If it can text our number, it works.

Can I send a photo?+

Yes, with cell service. Text a picture and ask what it is: a plant, a rash, a part under the hood. On satellite it is text only, both ways.

Which satellite networks work?+

Apple Messages via satellite (iPhone 14+), Starlink Direct to Cell, T-Mobile satellite, ZOLEO, Globalstar, and SPOT. On any of these, just text our number like a normal message.

Do I need an app or account?+

No app, no signup. Your phone number is your account. Just text the number and you're in. Credits follow your number across any device that can reach us.

How does inviting a friend work?+

Text INVITE and we reply with your personal link. When a friend joins through it and makes their first purchase, you both get a reward: a free month of unlimited on the subscription path (renews at $7.99/mo, cancel anytime), or +50 messages on the pay-as-you-go path. One reward per new number, see Terms for the fine print.

What about privacy?+

We never sell your data, and old conversations auto-delete. Note that SMS and satellite messaging are not end-to-end encrypted, so don't send anything sensitive.

Gift a friend

Give the gift of staying found.

They activate it by text. No app, no account needed.

Gifting pays you back: a free month on your subscription, or +50 messages if you're not subscribed.

Gift · Unlimited
$89.99
1 year of unlimited messages
  • A full year, always ready
  • No auto-renew, it just expires
Gift · Messages
$29.99
300 messages
  • Great as a small gift
  • Valid 12 months to activate

We'll text them the gift code. Leave empty to get the code yourself and share it your way.