Live Platform

5 Brain Abilities — Child Assessment Platform

Paid Online Brain-Ability Assessment for Parents

Live Demo

LaravelPHPMySQLPayment GatewayOTP AuthAdmin PanelEdTech

Abilities Assessed

5domains

One-Time Price

$24.95USD

Account Verification

OTPemail

User Roles

2parent / admin

5 Brain Abilities is an online assessment service from Math Monkey (Malaysia) that helps parents understand their child's five core brain abilities — Attention, Cognitive Visual, Memory, Logical Reasoning, and Processing Speed — and choose learning activities that fit. Parents sign up, verify by OTP, pay a one-time fee, add a child profile, and take the child through the assessment; a separate admin login manages the platform.

Architecture & System Design

A Laravel application with two guarded areas: a parent account area and an admin panel. Registration and password recovery are gated by emailed one-time codes, the assessment unlocks only after payment is confirmed, and each attempt is stored against a child profile so one parent can assess more than one child.

Request Flow

Parent Signup

Email OTP Verification

One-Time Payment

Child Profile Selection

Five-Ability Assessment

Per-Ability Scoring

Results for the Parent

OTP-verified signup and OTP-based password reset instead of emailed reset links
Assessment access unlocked server-side only after a confirmed payment
Multiple child profiles per parent account, each with its own assessment
Separate admin login for managing users, assessments, and contact enquiries

Engineering Challenges

Gating a Paid Assessment

Problem

The assessment is the product, so it must be reachable only by parents who have paid, and a refreshed or abandoned checkout must never grant access or charge twice.

Solution

Kept payment state on the server and unlocked the assessment from the gateway's confirmation rather than from the browser redirect, with the unlock written idempotently against the parent account.

Result

Access follows confirmed payments only, and repeat confirmations for the same payment are harmless.

Scoring Five Abilities from One Sitting

Problem

A single assessment has to produce a separate, comparable result for each of five different abilities, not one overall mark.

Solution

Tagged every question with the ability it measures and scored each ability independently as a percentage of its own maximum, so results stay comparable even when abilities have different numbers of questions.

Result

Parents see a per-ability breakdown that shows which abilities are stronger and which need support.

Verified Accounts for an International Audience

Problem

Parents sign up from different countries, and unverified or mistyped emails would leave paid accounts unrecoverable.

Solution

Added an OTP step to signup and to password recovery, with expiring single-use codes and a country selector on the registration and contact forms.

Result

Every paying account is tied to an email address the parent has proven they can receive mail at.

Core Features

Five-Ability Assessment

Covers Attention, Cognitive Visual, Memory, Logical Reasoning, and Processing Speed in one guided assessment.

Clean Code

AssessmentScoringService — Per-Ability Results

1<?php
2
3namespace App\Services;
4
5use App\Models\AssessmentAttempt;
6
7class AssessmentScoringService
8{
9    public function score(AssessmentAttempt $attempt): array
10    {
11        $results = $attempt->answers()
12            ->with('question.ability')
13            ->get()
14            ->groupBy(fn ($answer) => $answer->question->ability->slug)
15            ->map(function ($answers) {
16                $earned = $answers->where('is_correct', true)->sum('question.weight');
17                $maximum = $answers->sum('question.weight');
18
19                return $maximum > 0 ? round(($earned / $maximum) * 100) : 0;
20            });
21
22        $attempt->update([
23            'results' => $results,
24            'completed_at' => now(),
25        ]);
26
27        return $results->all();
28    }
29}