# D-Happy

> Business app for efficient leave planning and internal organizational communication. (iPhone/iPad app by PTT Group.)

- Source: https://appshunter.io/ios/app/d-happy/id1547832499 (this page in markdown: same URL + `.md`)
- Developer: [PTT Group](https://appshunter.io/developer/459684765)
- Category: Business, Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 13.0 · 106 MB
- Languages: American English
- Released: 2021-01-20
- Data updated: 2026-07-26
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/d-happy/id1547832499/reviews.md

## What is D?

เพื่อชีวิตการทำงานยุคใหม่ ง่าย รวดเร็ว มีประสิทธิภาพ.

- สามารถวางแผนการลางานอย่างมีประสิทธิ์ภาพผ่านหน้าจอมือถือ
- สามารถ ติดต่อสื่อสารกับผู้คนในองกรค์ได้ผ่านสมุดโทรศัพ

## Key features

- Efficient leave planning
- Mobile leave management
- Internal organizational communication
- Colleague contact directory

## Recent user reviews (7 of 7)

All indexed reviews: https://appshunter.io/ios/app/d-happy/id1547832499/reviews.md

### 1/5 — เข้าใช้งานไม่ได้

*2026-07-11, version 3.5.4*

ขึ้นให้ใส่ Invitation  คืออะไร

### 1/5 — เข้าไม่ได้ evitation code คืออะไร

*2026-06-01, version 3.5.3*

เข้าไม่ได้ evitation code คืออะไร

### 1/5 — รีวิว

*2026-05-08, version 3.5.1*

แอปใช้งานได้ดีแต่กดเข้างานไม่ได้

### 2/5 — เขียนโค้ดแบบนี้ให้Claudeทำดีกว่ามั้ง

*2026-05-07, version 3.5.0*

ผมว่าให้ClaudeCodeทำสวยกว่าและง่ายกว่าจคนมากๆ

### 1/5 — ไม่ค่อยเสถียร

*2026-05-05, version 3.5.0*

ใช้ได้บ้างไม่ได้บ้าง

### 1/5 — ช้ามากๆๆ

*2026-05-05, version 3.5.0*

เป็นแอปที่เข้าใช้งานได้ช้ามากๆๆ ถ้าอยากจะทำแอป ปรับปรุงให้ดีกว่านี้เถอะ ถ้าเทียบกับอันอื่นที่ใช้ลงเวลา อันอื่นดีกว่าเยอะ

### 1/5 — ใช้งานไม่ได้

*2023-08-16, version 2.2.2*

ใช้งานไม่ได้ Invitation code เอามาจากไหนครับ

## Frequently asked questions about D

### What is D-Happy used for?

D-Happy is a business application designed to help users efficiently plan their leave and communicate with people within their organization through a contact directory.

### Is D-Happy free to use?

Yes, D-Happy is available for free, with no in-app purchases or advertisements, making it accessible for all users.

### What devices does D-Happy support?

D-Happy is compatible with iPhone, iPad, and iPod devices, offering a broad reach for Apple users.

### How often is D-Happy updated?

The latest version of D-Happy is 3.5.5, and it was last updated on July 18, 2026, indicating regular maintenance and updates.

### What is the age rating for D-Happy?

D-Happy has an age rating of 4+, making it suitable for a wide range of users.

### Who developed D-Happy?

D-Happy was developed by PTT Group, a known entity in the business sector.

### Can D-Happy be used offline?

The provided information does not specify whether D-Happy supports offline functionality. It is designed for modern work life, which typically implies online connectivity.

## Version history (last 5 releases)

### 3.5.5 — 2026-07-18

Tuning Performance

### 3.5.4 — 2026-06-20

Tuning Performance

### 3.5.3 — 2026-05-30

Tuning Performance

### 3.5.1 — 2026-05-07

Tuning Performance

### 3.5.0 — 2026-04-25

Tuning Performance

## Apps similar to D

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [TIP Insure](https://appshunter.io/ios/app/tip-insure/id1182286345) | 3.0 (5) | Free | Business |
| [TIP Flash Claim](https://appshunter.io/ios/app/tip-flash-claim/id1049198236) | 1.0 (2) | Free | Business |
| [Humatrix](https://appshunter.io/ios/app/humatrix/id1230380517) | — | Free | Business |

## More apps by PTT Group

- [PTT Station](https://appshunter.io/ios/app/ptt-station/id459684762)
- [Blue Card](https://appshunter.io/ios/app/blue-card/id605189030)
- [PTT Insight](https://appshunter.io/ios/app/ptt-insight/id1027685985)
- [D Join](https://appshunter.io/ios/app/d-join/id1304935474)
- [PTT ME Mobile](https://appshunter.io/ios/app/ptt-me-mobile/id1329364903)
- [PTT Ambassador](https://appshunter.io/ios/app/ptt-ambassador/id1346444133)

All apps by PTT Group: https://appshunter.io/developer/459684765

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-26.*