# U-CALL MAX

> App reduces domestic call charges by half, offering clear voice quality. (iPhone/iPad app by U-NEXT Co.,Ltd..)

- Source: https://appshunter.io/ios/app/u-call-max/id1166151966 (this page in markdown: same URL + `.md`)
- Developer: [U-NEXT Co.,Ltd.](https://appshunter.io/developer/564131021)
- Category: Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 8.0 · 16 MB
- Languages: American English, Japanese
- Released: 2016-10-18
- Data updated: 2026-07-07
- Monetization: ad-supported
- User reviews in markdown: https://appshunter.io/ios/app/u-call-max/id1166151966/reviews.md

## What is U?

This is an application that reduces domestic call charges by half!

[Features of U-CALL MAX]
■ Half price for domestic calls such as landlines, mobile phones and smartphones! You can use the general call charge of 22 yen / 30 seconds for 11 yen / 30 seconds.
■ There is no initial fee or monthly fee.
■ Clear voice! The voice is clearer and higher quality than IP phones.
■ You can make a call with the phone number you are using.
■ The recipients doesn't have to be "U-CALL MAX" user.

[Main functions of U-CALL MAX]
・Display of outgoing call history
・Display of phone book
・Search phonebook
・Manual dialing

[Terms of use]
-You are using a SIM card with "U-mobile MAX 25GB Call Plus" or "Yamada New Mobile D Course with Call Function".

【Precautions】
・If you dial a 3-digit special number such as 110 or 119, or a phone number starting with 0120, 0800, 0570, etc. using the app, the call will be made without going through U-CALL MAX.

## Key features

- Half price domestic calls
- Clearer, higher quality voice
- Use existing phone number
- No initial or monthly fees
- Display outgoing call history
- Phonebook integration

## Recent user reviews (5 of 5)

All indexed reviews: https://appshunter.io/ios/app/u-call-max/id1166151966/reviews.md

### 1/5 — 使いづらい

*2020-07-12, version 1.2.1*

起動後、よく使う項目が常に表示されているが
前回表示していたものにできない？
一番下のアイコンで、他の機能に移れるが
毎回、1度目のタップでは反応しないので、
地味にイラッとします。

リダイヤル等、番号を選んで電話しようとすると
下に、かけるか、キャンセルかのボタンが出てくるのもイラッとします。
かけたいから、押したんですよ？

### 1/5 — 使えない

*2019-08-02, version 1.2.1*

雑音が入り会話にならず、切って普通の電話からかけ直すことがほとんど。相手にも失礼なので、今では相手を選んでしか使えません。

### 1/5 — 起動しない

*2018-12-03, version 1.2.1*

アプリをインストールしたけど起動しません。。。

### 1/5 — 使いづらいに尽きる

*2017-06-06, version 1.2.0*

一番いらないアプリ

### 1/5 — 使ってほしくない感じがそこいらに

*2017-03-06, version 1.1.0*

着信履歴から折り返しができない
履歴もappで使用したものだけ
連絡先一覧もただ表示するだけで非常に不便
無料半額を使わせたくない感じがとても出ている

## Frequently asked questions about U

### Does U-CALL MAX have ads?

Yes, U-CALL MAX contains advertisements. As it is a free application, ads are displayed to support its operation.

### What is the cost of using U-CALL MAX?

U-CALL MAX offers domestic calls at 11 yen per 30 seconds, which is half the standard rate of 22 yen per 30 seconds. There are no initial fees or monthly charges associated with using the app.

### What is the age rating for U-CALL MAX?

U-CALL MAX has an age rating of 4+. This indicates it is suitable for a wide range of users, including children, with minimal content restrictions.

### What devices are supported by U-CALL MAX?

U-CALL MAX is available for iPhone and iPod devices. It is designed to function on Apple's mobile operating systems.

### How often is U-CALL MAX updated?

The latest version of U-CALL MAX is 1.3.1, which was last updated on April 1, 2021. Future updates may introduce new features or improvements.

### Can I make emergency calls with U-CALL MAX?

No, emergency numbers such as 110 and 119, and certain toll-free or special service numbers (e.g., 0120, 0800, 0570) will not be routed through U-CALL MAX. These calls will be made using your standard phone service.

### What SIM cards are required to use U-CALL MAX?

To use U-CALL MAX, you must be using a SIM card with either "U-mobile MAX 25GB Call Plus" or "Yamada New Mobile D Course with Call Function".

### Is U-CALL MAX available for Android devices?

Based on the provided information, U-CALL MAX is currently supported on iPhone and iPod devices. Support for Android devices is not specified.

## Version history (last 5 releases)

### 1.3.1 — 2021-04-01

Tax included

### 1.3.0 — 2020-10-07

・iOS 14に対応しました。

### 1.2.1 — 2018-03-13

- Made design improvement on to keypad interface.
- The issue where the call log does not get copy/pasted from the standard phone app to b-mobile phone app for iOS 11 has been corrected.
- Correcting the call button display error on some iPhones.

### 1.2.0 — 2017-05-24

・Fixed some bugs that prefix numbers were not added in some outgoing calls in iOS 10.3.

### 1.1.0 — 2016-11-02

•Add Favorite
•Add search with furigana in contact
•Made available to make phone call to carrier service, such as 1417, 1421, etc.
•Fixed few small bugs.

U-CALL MAX service does not support phone calls to carrier service.

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## More apps by U-NEXT Co.,Ltd.

- [U-NEXT - 映画やドラマ、アニメなどの動画が見放題](https://appshunter.io/ios/app/u-next/id882477693)
- [Paravi（パラビ）](https://appshunter.io/ios/app/paravi/id1333966608)

All apps by U-NEXT Co.,Ltd.: https://appshunter.io/developer/564131021

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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 2026-07-07.*