StandingBy is not an emergency service. If you or someone else is in danger, call 911.

If you go quiet, your people will know.

StandingBy is a personal safety app for times you are on your own.

You decide how often you will check in and who should be told if you stop. If a check-in does not arrive, StandingBy texts, then calls, the people you chose, in the order you chose.

The button opens your email app. We keep your address only to tell you when StandingBy is available, and nothing else. There is no sign-up form.

Obvious

Walk home

Check in by 11:00 pm

Hold to check in

If you don't, this phone's alarm sounds at 11:05 pm.

Get help nowHold, let go, then hold again
End session
The session screen, eight minutes before a check-in.

Example: a walk home from a partyUses Plus

How the session might run

  1. 10:30 pm

    You start a session

    You check in every 10 minutes, Sam and Priya are told first, then Mom and Dad.

  2. 10:40 pm

    You check in

    From the reminder on your phone, or in the app.

  3. 10:50 pm

    You check in

    Each check-in sets the next one, 10 minutes later.

  4. 11:00 pm

    No check-in

    A reminder appears on your phone, and a text reminder follows if you still have not checked in.

  5. 11:05 pm

    An alarm on your phone

    Your phone sounds an alarm, and nobody has been told yet.

  6. Your people are told
    1. 11:10 pm

      Sam and Priya get a text with your location

      The text asks them to try to reach you and, if you chose to share it, links to your last known location.

    2. 11:15 pm

      Mom and Dad get a call

      An automated call tells them your check-in has not arrived. A call carries no location.

    3. 11:20 pm

      Sam gets called twice

      Two calls close together, because a second call soon after the first can ring through Do Not Disturb.

  7. 11:23 pm

    You check in

    Everyone who was contacted is told you checked in, the way they were contacted: Priya by text, Mom and Dad by a call, and Sam by a text and one call.

Sample names and times.

Text message

Today 11:10 pm

Alex Rivera's expected check-in has not been received.
This is StandingBy, a safety app. Alex Rivera asked for you to be told if they stopped checking in. Their last check-in was 20 minutes ago.
Please try to reach them.
Last known location: app.standingby.io/l/7Kq2mRx9Lp3VbT8sNw4ZcA
This is not an emergency service. In an emergency call 911.
What this is: standingby.io/messages
Reply STOP to opt out.
Sample name and link.

What it does

You choose the order

Set up steps: who is told first, who is told next, and how. A text, a call, or two calls close together. A text can include a link to your last known location.

It does not depend on your phone

Missed check-ins are tracked on our servers, not on your phone. A flat battery or lost signal does not stop your people being told.

Your people do not need the app

They get ordinary texts and calls. You send each of them a short introduction, and they are contacted only once they have agreed on the page it links to.

People hear when you check in

Check in late and everyone who was contacted is told you checked in, and that they may hear from StandingBy again while the session runs.

Who it is for

Anyone who would like someone to notice if they go quiet. Some examples:

A woman walking alone down a foggy street at night, under a streetlamp.

A night out or a walk home

Check in every so often. If you stop, a friend gets a text and then a call.

A hiker with a backpack on a forest trail, seen from behind.

A hike or run on your own

Longer gaps between check-ins, set to match how long you expect to be out of touch.

A woman sitting up in bed in a dark bedroom, lit by a bedside lamp.

A home that does not feel safe

Frequent check-ins for a while when something outside does not feel right, or check-ins at set times when the threat is someone you live with. A disguised mode helps hide them from someone who might see or use your phone. What it does, and its limits.

An older man climbing the stairs at home with a walking stick.

Living on your own

Check in twice a day, at times you pick. A relative can help you set it up.

31%

of U.S. adults say there is an area within a mile of home where they would be afraid to walk alone at night.Source: Gallup, October 2025

1 in 3

women in a survey of 1,645 U.S. runners had been followed while running.Source: Psychology of Women Quarterly, 2024

1 in 4

day hikers and trail runners surveyed at Rocky Mountain National Park had not told anyone where they were going or when they expected to return.Source: Wilderness & Environmental Medicine, 2026

28%

of Americans aged 65 and over reported a fall in the past year: 14 million people.Source: CDC, Morbidity and Mortality Weekly Report, 2023

Pricing at launch

Free and Plus

What each includesFree$0Plus$4.99 a month or $39.99 a year
Profiles you can start and edit1Unlimited
Steps a session runsThe first 2Every step
How people are reachedTextsTexts and calls
People a session tells2Up to 10
Past sessions shownLast 14 daysLast 6 months

In both

  • Checking in
  • SOS
  • The alarm on your phone
  • Disguised mode
  • The link to your last known location

A new account has every Plus feature for its first 14 days, with no payment method needed.

The people you choose never pay.

Prices are in US dollars.

What it is not

  • It is not an emergency service. It cannot contact 911 or any other emergency service, and nobody at StandingBy watches your sessions. If you are in danger, call 911.
  • It does not know whether you are safe. It only knows that a check-in did not arrive. A missed check-in is often just a flat battery or a forgotten phone, so the messages say what happened and nothing more.
  • It cannot promise a message arrives or a call rings. Texts and calls go through phone carriers. Your people's phones may silence unknown numbers, filter texts, or be switched off.
  • It is not for tracking someone without them knowing. You can help a parent or relative set it up on their phone, but the sessions are theirs: they check in, and you are told only if they miss one or ask for help.

Where things stand

StandingBy is not available yet, in any app store. We are testing it and building the service that sends messages. It is coming to both iPhone and Android.

If you would like to hear when it is available, email hello@straightasoftware.com. For anything else, see Support.

Email me when it is available
The StandingBy app icon