10-second calculator

How many hours a year is it costing you to track inventory by hand?

A notebook only records. It does not think, it does not warn you, it does not add up. Clothing, food, crafts or services, it makes no difference: work out below what it actually costs you today, and how much you get back with friendly-123.

Already heard about friendly-123? Skip straight to the demo.

Inside, every product lights up on its own:

Healthy Opportunity Check soon Urgent Sleeping

The real cost is not the time. It is the wear.

It is not just counting. It is carrying in your head what is missing, what is piling up and what is about to expire, all day, every day.

Closing up and not knowing whether the register or the stock actually balanced.
Sunday with a calculator, recounting everything from scratch.
Someone asking "did the order come in?" and nobody knows for sure.
That product sitting there dead for three months, and nobody caught it in time.

Your hours-recovered calculator

Set the values to your real business. The math updates instantly.

6 hours/week
1h20h
$4 per hour
$2$35

Use your own estimate of an hour's value. The calculator shows a scenario, not a guaranteed saving.

You get back per year
156 horas
with friendly-123 versus doing it by hand*
Today, by hand
312 h
With friendly-123
156 h
19.5 days
full 8-hour days, free
$468
value of that time, at your own rate
See this working in the demo

*Illustrative estimate assuming you spend 50% less time on this task. This is a scenario, not a measured result; your actual savings may differ.

6 h a week in this example; enter your own time above
156 h recovered per year in this example: 19.5 full 8-hour days
$3,900 value of that time in the United States, at $25 an owner-operator hour
$468 the same time in Latin America, at $3 an hour

Is your business in Latin America? amigable-123 is the Spanish version, built for that market.

This is what replaces the notebook

No training. No manual needed to start. You learn it in 10 minutes.

Colors you already know how to read

Green, gold, orange, red, black. You see the product's color and you know what to do, without thinking.

Customers the app remembers for you

It remembers who buys what, so you do not have to.

Light accounting, honest

Real margin, expenses prorated across the days of the month. Nothing that makes you feel better off than you are.

Your data, your device

Nothing goes to the cloud. It works offline. Nobody else sees your business.

This is what your inventory looks like

Each color tells you what to do before you have thought about it.

Urgent T-shirt: Iron Maiden — The Trooper 4 4 left, restock now
Check soon T-shirt: Led Zeppelin — Icarus 12 12 left, check soon
Opportunity Chordeleg Filigree Earrings 15 Good margin, there is money waiting for you
Healthy Rock 2026 Hardcover Planner 25 Healthy stock
Sleeping Hand-carved Wooden Chess Set 5 No sales in 128 days, your money is resting there

It knows which products feed you

Automatic BCG matrix from the last 60 days of sales, without you writing a single formula.

Question marks They sell little but they are climbing. Give them shelf space. Vinyl: Soda Estéreo — Canción Animal · $40.00 Cajas Highlands Honey 300g · $17.00
Stars They sell a lot and they are climbing. Protect their stock. Vinyl: The Clash — London Calling · $192.00 T-shirt: Pink Floyd — The Dark Side · $132.00
Dead weight No movement in 60 days. Free up that capital. Chordeleg Filigree Earrings · $22.00 T-shirt: Metallica — Master of Puppets · $—
Cash cows They sell a lot, steadily. They fund everything else. Printed Rock Tote Bag · $136.00 Panama Hat, Toquilla Straw · $90.00

What that time is really costing you

It is not just the time spent counting. It is the customer you told "we are out" when it was in the back room all along. It is the sale that went to another store because you took too long to confirm. It is the Sunday that was not a Sunday. If any of this happened to you this week, you already know why you are still reading.

What Sunday feels like when this stops happening

You close up on Saturday and you already know what is missing, what is piling up and what you made. No recount, no calculator, no "I will check on Monday". Sunday goes back to being Sunday.

Three steps, that is all

1

Try it

Open the demo with a code, no signup and no card. Ten seconds.

2

Activate it

With code 789 you start your own instance with your real products: a full 30-day trial.

3

Close the notebook

When the business grows, you pay once and carry on. The notebook becomes a decoration.

Businesses that already closed the notebook

Reviews based on the twin app amigable-123 — the Spanish-market sibling of friendly-123, same codebase, same operators.

"It is exactly what I was looking for"

Belén — idiomARTE, Cuenca

"This saves me from using the notebook"

José — Olimpo Chess Club, Cuenca, Ecuador

Your data, backed up

An encrypted backup you export yourself whenever you want, to your own messages or email. Change phones and your business does not get lost.

Real support, direct

WhatsApp and email, no help desk and no tickets. The app stays updated for as long as your license runs.

Who is behind this

I have researched hundreds of businesses and advised dozens, from small to mid-sized. This came out of that: I would rather specialize and do a few things well than promise you a suite that does everything halfway.

A project by jfcarpio.com y avatiun.com.

"I tried an app once and it was impossibly complicated"

Most of them make you configure categories, taxes and workflows before they let you see anything. Here you open it, you see colors, and you have understood. If you have not gotten the hang of it in ten minutes, it was not for you and you did not lose a dollar finding out.

Who this is NOT for

If you need e-invoicing filed with your tax authority, a multi-store chain with a central warehouse, or real-time integration with your accountant, this will fall short. It is a shared digital notebook, not an ERP. Better you hear it now.

Stop guessing. Start seeing.

Try it first, no signup and no card, in 10 seconds.

Enter the demo with any of these codes

Or read the full manual first

o

You tried it and it convinced you. One payment, a 5-year license, yours from today.

$399

Your one-time investment.

  • 5-year license, no subscription and no monthly payments
  • Direct support from the person who built it
  • Updates included for the full 5 years
  • No cap on products, sales or employees
  • Your data always on your device, exportable whenever you want
Yes, I want my 5-year license

Pay with PayPal. Stripe and Bitcoin coming.

After payment you get your license by WhatsApp or email within 24 hours.

I personally walk the first businesses of each month through setup. For as long as I am the only one giving support, that one-to-one time has a real limit.

If something does not add up, you message me and we sort it out. You deal directly with jfcarpio.com, not with a call center.

Questions people ask before paying

Is it really a single payment?

Yes. $399 once, for a 5-year license. No subscription, no monthly payments and no per-user fees.

What do the 5 years include?

Every update for the full 5 years, and support by WhatsApp and email directly with me. No help desk and no tickets.

What happens when the 30-day trial ends?

If you have not bought a license, the app switches to read-only: you can still see and export everything. Nothing is deleted.

Where is my business data kept?

On your own device. You can export an encrypted backup whenever you want, to your own messages or email.

How do I get my license after paying?

By WhatsApp or email within 24 hours. Questions before that? Write me on WhatsApp.

Try everything free for 30 days

Every feature, no limits: products, sales, team and sync. After 30 days without a license the app switches to read-only. Your data is never deleted.

7-8-9 Start using it: activate your own instance (full 30-day trial)