# JS Backup — migration&restore

> Free backup and data transfer tool for smartphone contacts, calendars, photos, and movies. (iPhone/iPad app by JOHO SPACE, K.K..)

- Source: https://appshunter.io/ios/app/js-backup/id595247313 (this page in markdown: same URL + `.md`)
- Developer: [JOHO SPACE, K.K.](https://appshunter.io/developer/716672979)
- Category: Utilities, Photo & Video
- Price: Free
- Rating: 4.54/5 from 28 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 12.0 · 36 MB
- Languages: English, French, German, Japanese, Korean, Russian, Chinese, Spanish, Thai
- Released: 2014-04-02
- Data updated: 2026-06-10
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/js-backup/id595247313/reviews.md

## What is JS Backup?

Thanks to the support of our users, JS Backup apps have achieved over 6 Million downloads!
We will continue to strive to improve the app to best suit your needs. Please continue to support us, thank you. 

"JS Backup" is the best backup and data transfer tool: the No.1 backup app in Japan.
Differential backups restore cross-platform data transfer is just a small list of the many features it can perform. You can backup your contacts, calendars, photos, movies to cloud or computer for free.

■ Main Features ■
･ Backup and restore contacts, calendars , photos and movies
･ Migrate your smartphone data to another smartphone device with “Easy Data Transfer” in just a few clicks.
･ Save backup data to cloud storage services (Dropbox, Google Drive supported) or computer
･ Backup, Restore, send and synchronize smartphone data with PC via Wi-Fi.
･ Support the binding of multiple accounts of the supported cloud services , so you will never ever run out of storage space
･ Most important of all : this tool is FREE!!!

■ Easy Data Transfer Feature■
･ Generate QR code, which enables the restoration of smartphone data, therefore there is no need of SD card, USB cables or computer data migration software.
･ Just scan the generated QR code with JS Backup on the new device and voilà, important contacts, calendars are back.
※Camera access permission is required to read the QR codes

■Recommended OS■
This application is best used under iOS version of 13 or higher

■ Warning ■
We are not responsible and cannot retrieve your backup password, therefore please manage your password securely.

■ In-App Purchase ■
"かんたんバックアップ　20GBプラン" can be purchased with In-App Purchase.
With a subscription to the plan, one may use up to 20GB for the Easy Data Transfer feature.
The subscription fee will be billed to the iTunes account. The price of the subscription depends on the plan and the country(due to exchange rate).
Before the transaction completes, the total amount will be displayed.
"かんたんバックアップ　20GBプラン" subscription purchased via In-App Purchase is renewed every month.
Please turn off automatic renewal of the subscription 24 hours prior to the plan expiration date if you do not wish to renew the subscription. 
The renewal can be turned off anytime in iTunes account settings.
• Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period.
• Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal.

■ Contact us ■
If you have any comments or questions regarding the app, please leave your message at App Store review or send us e-mail directly.
E-mail address: iapps@jsbackup.net
In order to better understand your situation please be as detailed as possible.

■ Terms of Use and Privacy Policy ■
http://jsbackup.net/jsb/license_ios_en.html

## Key features

- Backup and restore contacts, calendars, photos, movies
- Cross-platform data transfer via QR code
- Save backups to cloud storage (Dropbox, Google Drive)
- Sync smartphone data with PC via Wi-Fi
- Easy Data Transfer feature

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/js-backup/id595247313/reviews.md

### 5/5 — Backup application

*2018-10-20, version 8.3*

I think it’s a good software phone back up and transfer.

## Frequently asked questions about JS Backup

### What can JS Backup back up?

JS Backup can back up your contacts, calendars, photos, and movies. It allows you to save this data to cloud storage services like Dropbox and Google Drive, or directly to your computer.

### How does JS Backup transfer data between phones?

JS Backup's 'Easy Data Transfer' feature generates a QR code. By scanning this code with JS Backup on the new device, you can restore your important contacts and calendars without needing cables or software.

### Is JS Backup free to use?

Yes, the core functionality of JS Backup is free. You can back up and restore contacts, calendars, photos, and movies without charge. There is an optional in-app purchase for a 20GB plan for the Easy Data Transfer feature.

### Does JS Backup have ads?

The provided data does not specify if JS Backup contains advertisements. However, it does mention an in-app purchase for an expanded data transfer plan.

### What devices is JS Backup compatible with?

JS Backup is designed for iOS devices, including iPhone, iPad, and iPod. It is recommended for use with iOS version 13 or higher.

### How often is JS Backup updated?

The latest version of JS Backup is 9.4, and it was last updated on May 11, 2021. This suggests a moderate update frequency.

### What is the user sentiment for JS Backup?

JS Backup has a strong user rating of 4.5 stars from 28 ratings, indicating generally positive user sentiment.

### Can I manage my subscription for the 20GB plan?

Yes, the 'かんたんバックアップ 20GBプラン' subscription can be managed through your iTunes account settings. You can turn off automatic renewal at least 24 hours before the plan expiration date if you do not wish to renew.

## Version history (last 1 release)

### 9.4 — 2021-05-11

Bug fixs.

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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 2026-06-10.*