₦Built for Nigerian traders, POS agents and anyone paid by transfer

Fake alert?Not for this shop.

A fake alert can copy your bank’s words. It can’t know your balance. Alertproof reads every alert with open-weight Gemma on your own device, then checks it against the balance in your real alerts, before the goods leave your hand.

No sign-up Your alerts never leave your device Works without data
✓₦15,000 landedChain unbroken
✗Fake stopped₦25,000 saved
🔊“No release am.”Spoken in Pidgin
12:05●●● 4G
Alertproof● Gemma on device
Gemma is reading the alert…

Tested on alert formats from

The one thing a fraudster never has

Every real alert continues your balance.

Your balance after each alert is your last balance plus the amount. Fake-alert apps can copy the sender, the format and the amount. The balance is a guess, and arithmetic catches the guess.

Play

Spot the fake alert

Five real situations from the counter. Can you catch every fake before the goods leave the shop?

Round by round
0invented-balance fakes released in our 70-alert test
10alert formats read: SMS, app notifications and emails
<1 msper check once Gemma has learned your bank’s format
100%of your alerts stay on your device

Everything at the counter

One screen. Five seconds. No wahala.

Alert check

Paste it, share it, or just let it land.

Long-press the SMS and share it to Alertproof, or paste an alert or email. Gemma reads it, code checks every number, and the answer is big enough to see from across the counter.

  • PAID: the balance continues your chain to the kobo
  • NO RELEASE: wrong balance, wrong account, or an old alert sent again
  • CAN’T TELL: not enough to prove it, with what to check next
Try a fake alert →
Acct: 0******821 Amt: NGN25,000.00 CR Avail Bal: NGN264,870.20
NO RELEASE
Should be ₦102,160.50. This alert says ₦264,870.20.
✓ Your account (…4821)✓ New reference
Screenshots

“Screenshot no be money.”

When a customer shows a “Transfer Successful” screen, Alertproof reads it and checks it was sent to you. Then it tells you exactly what your real alert must say. When that alert lands, it turns green by itself.

  • Catches transfers sent to someone else’s account
  • Predicts your next balance to the kobo
  • Keeps a waiting list, so nobody walks off “pending”
WAIT FOR ALERT₦15,000
If this is real, your next alert reads
CR ₦15,000
Avail Bal ₦92,160.50
Blessing Udo✓ landed 11:31
Voice

Your hands are busy. It talks.

Every answer is spoken out loud, in English or in Pidgin, so you can keep bagging rice while it checks.

  • “Money don land. Fifteen thousand naira don enter your account.”
  • “No release am. This alert no follow your balance.”
  • “Dem don use this alert before.”
“No release am.”
This alert no follow your balance.
Today’s book

Close the day knowing every naira is real.

Every checked alert goes into a day book: money that truly came in, who paid, which fakes were stopped, and whether your balance chain is unbroken.

  • Proven inflow by transfer, per customer
  • Fakes blocked, with the reason
  • Export your book any time
Proven in by transfer today
₦52,400
Chidi Okafor PAID+₦15,000
Ibrahim Musa NO RELEASE+₦25,000
Emeka Nwosu PAID+₦23,000
Chain unbroken across 7 alerts.
Offline & private

SMS still lands when data doesn’t.

On a laptop with Gemma, Alertproof checks alerts with no internet at all. Your balance is the secret that protects you, so it never goes to anyone’s cloud.

  • Open-weight Gemma runs on your own machine
  • Learns your bank’s format once, then checks in under a millisecond
  • Your book lives only on your device
  • On a phone? Online Gemma reads it, and nothing is stored
How we protect you →
📶 NetworkNo data
🧠 Gemma 3 · on this laptopReady
🔒 Alerts sent to cloud0
PAID
Checked offline.

Know the game

Four tricks. One answer.

These are the fake-payment tricks traders talk about every day. Each one breaks a rule that arithmetic can check.

Trick 1 · Fake-alert apps

The SMS that looks perfect

“Check your phone, e don enter.”

Apps that send a bank-looking SMS with any amount you type. The words are perfect. The balance is invented.

→ Alertproof: the balance doesn’t follow your chain. NO RELEASE.

Trick 2 · Edited screenshots

“Transfer Successful”

“See am for my phone, I don send am.”

A screenshot edited, reused, or of a transfer that later fails. It is a picture, not money.

→ Alertproof: wait for your own alert. It tells you exactly what it must say.

Trick 3 · The old alert

Yesterday’s money, again

“Abeg check your messages.”

A real alert from earlier, forwarded or shown again to look like a new payment.

→ Alertproof: you already received this exact alert. NO RELEASE.

Trick 4 · Wrong account

Paid, just not to you

“Na your account number I use.”

A genuine alert or receipt for somebody else’s account, often with a similar name.

→ Alertproof: this alert is for an account ending 432. Yours ends 4821.

Why open-weight AI

Your balance is the secret. So the AI comes to you.

Private by design

The check works because nobody else knows your balance. Gemma runs on your laptop, so your alerts never go to someone else’s cloud.

₦0 per check

No fee per alert, no API bill. That’s what makes a small monthly price work for a provisions stall.

Ready when banks change

Banks change alert formats all the time. With open weights we test every format ourselves, and can swap or fine-tune the model.

Start in two minutes

Three steps. Then it’s automatic.

Step 1

Add your account

Your account number and business name. They stay on your device.

Step 2

Set today’s balance

Read it from your bank app once, or share a few of your own alerts. That starts the chain.

Step 3

Check every payment

Share each alert as it lands. PAID, NO RELEASE or CAN’T TELL, spoken out loud.

Don’t release the goods on a guess.

Open the demo shop and play five customers: a real transfer, a fake alert, a replay, a wrong account and a screenshot.