# Black White Card

> assist the visual stimulation

Canonical page: [https://chrome-stats.com/d/id1553771441](https://chrome-stats.com/d/id1553771441)

## Overview

- **ID:** `id1553771441`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** 鹏 刘
- **Category:** Utilities
- **Rating:** 4.50 / 5 (15 ratings)
- **Version:** 2.0.3
- **Last updated:** 2025-08-11
- **First published:** 2021-02-23
- **Size:** 53 MB
- **Data as of:** 2026-09-07
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/black-white-card/id1553771441)
- **Website:** [http://www.ifyyy.cn/black-white-en/](http://www.ifyyy.cn/black-white-en/)
- **Privacy policy:** [http://www.ifyyy.cn/black-white/privacy.html](http://www.ifyyy.cn/black-white/privacy.html)

## Description

Let the black-and-white world illuminate little hearts, "Black White Card" accompany every visual exploration of newborns!

How to use black and white card:
1. Hold the card about 30cm away from the baby.
2. Slow movement causes the baby to follow.
3. Switch to the next card after the baby sees the card.

Black and white card training time:
1. Use 5 to 10 cards at a time.
2. Train no more than 5 times a day and no more than 15 minutes.

Notes for black and white cards:
1. Use it when your baby is in good physical and mental state.
2. Once the baby is in bad condition, stop immediately.

## Rankings

- #281,224 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id1553771441)