# IIJmio eSIM Zero > IIJmio eSIM Zero app for managing data plans and usage. (iPhone/iPad app by Internet Initiative Japan, Inc..) - Source: https://appshunter.io/ios/app/iijmio-esim-zero/id1559724516 (this page in markdown: same URL + `.md`) - Developer: [Internet Initiative Japan, Inc.](https://appshunter.io/developer/444664358) - Category: Utilities - Price: Free - Rating: 5.00/5 from 1 App Store ratings · 6 written reviews indexed - Age rating: 4+ - Requires: iOS 11.0 · 12 MB - Languages: American English - Released: 2021-05-09 - Data updated: 2026-08-17 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/iijmio-esim-zero/id1559724516/reviews.md ## What is IIJmio eSIM Zero? App "IIJmio eSIM Zero (eSIM Zero)" is a dedicated application for IIJmio eSIM Service Data Plan Zero. IIJmio eSIM Service Data Plan Zero https://www.iijmio.jp/esim/ Functions of eSIM Zero 1. Check your data amount 2. Check your current data usage 3. Purchase data amount About @iijmio This is the official Twitter account of IIJmio. We tweet the useful information about IIJmio service in Japanese. https://twitter.com/iijmio Software License Agreement To use this application, you need to agree with the following Software License Agreement. https://www.iijmio.jp/guide/agreement/datazero/ ## Key features - Check data amount - Check data usage - Purchase data amount - Dedicated eSIM service management ## Recent user reviews (6 of 6) All indexed reviews: https://appshunter.io/ios/app/iijmio-esim-zero/id1559724516/reviews.md ### 1/5 — 使用しても、データ残量が減らない。 *2024-10-10* どれだけ使用しても、トップページのデータ残量が減りません。 ですが、隣のデータ使用量は、きちんとカウントしています。 完成度が低いモノを、配信すべきではありません。 ### 1/5 — 全く使えない *2024-02-18* ログインはできるけど「お客様のご契約内容では、表示する契約はありません」と出て何も使えません。 ### 5/5 — シンプルで良き *2023-05-17* iPhone se 3 のサブデータ回線として使わせて頂いておりますが問題なく使えます。ありがとうございます。何故、評価が低いのかが謎です。 ### 3/5 — 三回線しか表示されない、早急に改善下さい *2021-10-15* 急急急 ### 2/5 — データ残量の更新が反映されないなど... *2021-06-01* 丁度タイミングよくキャンペーンで初期手数料1円をやっていたので、試しにセルラーモデルの iPad Pro 11インチ で eSIM を使ってみようと思い契約。 App 自体がリリースされたばかりということで、色々これからだと思いますが、タイトルに書かせて頂いた通り、データ残量が反映されません。また更新も5分以上間隔をあけてからでないと出来ない仕様になっています。結局ウェブサイトから閲覧することに。 App が iOS 向けなので、可能であれば iPadOS にも最適化してほしいです。縦画面オンリーなのでタブレット端末では絶望的に使いづらいです。 当方 IIJ 大好きマンでギガプランも使ってますが、これからの改善に期待してます。 ### 1/5 — ログインできない *2021-05-25* ウェブからアカウント登録及びログインする場合は “+” を含むメールアドレスが使用できるため、 “+” を含むメールアドレスで登録しているが、アプリのログインでは「メールアドレスのフォーマットが正しくありません」と表示されます メールアドレスのバリデーションをRFC 5322, 5321に準拠させてください せめて、ウェブと同等のものにしてください ## Frequently asked questions about IIJmio eSIM Zero ### What can I do with IIJmio eSIM Zero? IIJmio eSIM Zero allows you to check your remaining data amount, monitor your current data usage, and purchase additional data for your IIJmio eSIM Data Plan Zero. ### Is IIJmio eSIM Zero free to use? Yes, IIJmio eSIM Zero is a free application provided by Internet Initiative Japan, Inc. for managing your IIJmio eSIM Data Plan Zero. ### What devices is IIJmio eSIM Zero compatible with? IIJmio eSIM Zero is compatible with iPhone, iPad, and iPod devices. ### How often is IIJmio eSIM Zero updated? The latest version of IIJmio eSIM Zero is 1.1.0, which was last updated on January 27, 2022. Update frequency can vary based on developer releases. ### What is the age rating for IIJmio eSIM Zero? IIJmio eSIM Zero has an age rating of 4+, making it suitable for a wide range of users. ### Does IIJmio eSIM Zero have ads? No, IIJmio eSIM Zero does not contain advertisements. It is a free application without any ad interruptions. ### Where can I find the Software License Agreement for IIJmio eSIM Zero? You can find the Software License Agreement for IIJmio eSIM Zero at https://www.iijmio.jp/guide/agreement/datazero/. Agreement is required to use the application. ### What is the user rating for IIJmio eSIM Zero? IIJmio eSIM Zero has a rating of 5.0 stars based on 1 rating, indicating a highly positive user experience from its initial reviews. ## Version history (last 2 releases) ### 1.1.0 — 2022-01-27 Support 14 digit of 020 phone number. ### 1.0.0 — 2021-05-09 No release notes. ## Apps similar to IIJmio eSIM Zero | App | Rating | Price | Category | | --- | --- | --- | --- | | [Free-Style Charge](https://appshunter.io/ios/app/free-style-charge/id6736933119) | — | Free | Utilities | | [Data Remaining](https://appshunter.io/ios/app/data-remaining/id1350660169) | 4.2 (48) | Free | Utilities | | [Japan train card balance check](https://appshunter.io/ios/app/japan-train-card-balance-check/id1479319615) | 4.8 (525) | Free | Utilities | | [DIPS APP - Drone Portal App](https://appshunter.io/ios/app/dips-app-drone-portal-app/id1579634054) | — | Free | Utilities | | [Caho TODO](https://appshunter.io/ios/app/caho-todo/id1548164450) | 4.9 (13) | Free | Utilities | | [Japan IC Card Balance Check](https://appshunter.io/ios/app/japan-ic-card-balance-check/id6738582848) | — | Free | Utilities | ## More apps by Internet Initiative Japan, Inc. - [DOX client for iOS](https://appshunter.io/ios/app/dox-client-for-ios/id444664355) - [Client Kit](https://appshunter.io/ios/app/client-kit/id598125524) - [IIJmio Coupon Switch](https://appshunter.io/ios/app/iijmio-coupon-switch/id629809928) - [Secure Browser - IIJ SMM](https://appshunter.io/ios/app/secure-browser-iij-smm/id665785000) - [IIJ SmartKey](https://appshunter.io/ios/app/iij-smartkey/id974476420) - [miofone dial application](https://appshunter.io/ios/app/miofone-dial-application/id979168845) All apps by Internet Initiative Japan, Inc.: https://appshunter.io/developer/444664358 ## Related topics [iijmio esim zero](https://appshunter.io/ios/topics/iijmio-esim-zero) · [iijmio](https://appshunter.io/ios/topics/iijmio) · [iijmio coupon switch](https://appshunter.io/ios/topics/iijmio-coupon-switch) --- *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 2026-08-17.*