# Contacts 4.0 — Easy to back up and restore

> Offline contact backup, restore, sharing via QR code, and duplicate removal. (iPhone/iPad app by Khang Le.)

- Source: https://appshunter.io/ios/app/contacts-40/id1661590036 (this page in markdown: same URL + `.md`)
- Developer: [Khang Le](https://appshunter.io/developer/1586441429)
- Category: Utilities, Productivity
- Price: Free
- Rating: 2.00/5 from 2 App Store ratings
- Age rating: 4+
- Requires: iOS 15.0 · 7 MB
- Languages: English
- Released: 2022-12-28
- Data updated: 2026-06-11
- Monetization: ad-supported
- User reviews in markdown: https://appshunter.io/ios/app/contacts-40/id1661590036/reviews.md

## What is Contacts 4.0?

Key Features:
⍟ Backup and restore all your account without signing without activation, totally work offline. You can easily backup full your contacts with a single touch and send them to yourself as a vCards attachment via email. All contacts can then easily be restored any time by touching the attachment in your mail box.
⍟ Easy to share any contact to your friends by transforming a contact into a QR code
⍟ Find and remove duplicates in your contacts

## Key features

- Offline backup and restore
- Single-touch backup
- Email vCard attachment
- QR code contact sharing
- Find and remove duplicates


## Frequently asked questions about Contacts 4.0

### Does Contacts 4.0 have ads?

Yes, Contacts 4.0 contains advertisements. As it is a free application, ads are used to support its development and maintenance.

### How do I back up my contacts with Contacts 4.0?

You can back up all your contacts with a single touch. The app allows you to send them to yourself as a vCard attachment via email, and this process works entirely offline.

### Can I restore contacts if I lose my phone?

Yes, you can easily restore your contacts any time by touching the vCard attachment in your email. This feature ensures your contact information is safe and accessible.

### How does Contacts 4.0 help with duplicate contacts?

Contacts 4.0 includes a feature to find and remove duplicate entries within your contact list. This helps to keep your address book clean and organized.

### What devices is Contacts 4.0 compatible with?

Contacts 4.0 is supported on iPhone, iPad, and iPod devices. It is designed for users within the Apple ecosystem.

### What is the age rating for Contacts 4.0?

The app has an age rating of 4+, making it suitable for a wide range of users. It is designed with simplicity and ease of use in mind.

### How often is Contacts 4.0 updated?

Contacts 4.0 was last updated on December 28, 2022, with version 4.0. Users can expect updates to maintain functionality and compatibility.

### What is the user feedback on Contacts 4.0?

Based on the available data, Contacts 4.0 has a rating of 2.0 stars from 2 ratings. This suggests that users have had mixed experiences with the application.

## Version history (last 1 release)

### 4.0 — 2022-12-28

No release notes.

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All apps by Khang Le: https://appshunter.io/developer/1586441429

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*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 2026-06-11.*