Apps by Man Hung Sun
Psychology: Happiness app icon

Lifestyle

Psychology: Happiness

Man Hung Sun

Free download In-app purchases unconfirmed
Open on Apple

About this app

A truly happy person is able to enjoy every bit of it in a way of life that makes sense to him/her. Happiness is by no means limited to certain moments in life, but the whole process of life. People can be generally happy even when they experience pain at times. Looking for Happiness require knowledge and action. Know about Happiness, action accordingly and you can acquire happiness.

Latest release

What’s New

Version 4.55 Mar 6, 2026

add new images in nature image appreciation

Audience growth

Ratings growth

Steady
7-day gain +0
Ratings / day 0.0
30-day gain +0
US rating-count history
0 ratings
0 Aug 26, 2026 · 0 ratings Aug 26, 2026

Baseline captured. Growth appears after the crawler observes a changed rating count.

Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.

Price tracking

Price intelligence

1 captured event
Current Free
Historical low Free
Paid → free
Price history
Current Free
Free Aug 26, 2026 · Free Aug 26, 2026

First snapshot captured. The trend line starts after the next crawler price observation.

  1. First observed Aug 26, 2026 · 4:42 AM Free

Screenshots

Psychology: Happiness iPhone screenshotPsychology: Happiness iPhone screenshotPsychology: Happiness iPhone screenshotPsychology: Happiness iPhone screenshotPsychology: Happiness iPhone screenshotPsychology: Happiness iPhone screenshotPsychology: Happiness iPhone screenshot