# Hyde Call f-Phone > Free calling app for Hyde-Phone subscribers, using a dedicated prefix. (iPhone/iPad app by Crossover Innovation INC..) - Source: https://appshunter.io/ios/app/hyde-call-f-phone/id1133432851 (this page in markdown: same URL + `.md`) - Developer: [Crossover Innovation INC.](https://appshunter.io/developer/1105743664) - Category: Utilities - Price: Free - Age rating: 4+ - Requires: iOS 15.0 · 24 MB - Languages: American English, Japanese - Released: 2016-09-03 - Data updated: 2026-06-10 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/hyde-call-f-phone/id1133432851/reviews.md ## What is Hyde Call [f? Hyde Call [f-Phone] is a dedicated calling application for customers who have Hyde-Phone subscribers. The target call using this application is free. ■ Structure By calling from Hyde Call [f-Phone], you can call Dedicated prefix number (0032-2225) will be automatically assigned. Calls sent with this number will be free. ■ How to use The way to call is the same as the default call application. There is no need for the other party to download the Hyde Call [f-Phone] application. The prefix number is not displayed on the telephone of the other party of the call, It is displayed in the same way as when you called the default call application. Phonebook is also synchronized so you can use it immediately. Notes · Dialing from outside the application, various charged services (Voice Mail, Dial Q2, Navi Dial etc.) A normal call charge (19.9 yen / 30 seconds) will be generated. Overseas calls can not be made. · If you do not have permission to access the contact, you will not be able to use the function of the application. Please allow access to contacts on first start ■ About usage This application can be used only for customers who have subscribed to Hyde-Phone. In order to use Hyde Call [f-Phone], a contract of Hyde-Phone is required. [Hyde-Phone] https://www.f-phone.ne.jp/lineup/musician/hyde ※ Hyde-Phone is a service name provided by f-Phone mobile communication service company.  Customers who signed up for Hyde-Phone can download the application on the terminal containing the contract SIM card,  You can use it immediately without initial setting etc. Required environment IOS 9.0 or later Compatible terminals IPhone 7, iPhone 7 Plus, iPhone 6, iPhone 6 Plus, iPhone 6 s, iPhone 6 s Plus, iPhone SE * Please understand beforehand that we do not guarantee the operation of terminals other than the above. ## Key features - Free calls for Hyde-Phone subscribers - Automatic dedicated prefix assignment - Recipient does not need the app - Prefix number not displayed to recipient - Synchronized phonebook - Simple call interface ## Recent user reviews (2 of 2) All indexed reviews: https://appshunter.io/ios/app/hyde-call-f-phone/id1133432851/reviews.md ### 4/5 — 留守電機能 *2019-12-12, version 1.1.2* 留守番電話サービスをオプションで付けられるのですが、このアプリを使えば特殊な番号(0570の付く番号など)以外は話放題のはずが、留守番電話サービスセンターへの電話は有料通話になります。なので★4にしました。 ### 4/5 — (о´∀`о) *2016-12-18, version 1.0.1* 電話かけるときにHYDEの声が聞こえる。ちょっと、今までと違って慣れない事もあるけど、今の所は問題ないよー ## Frequently asked questions about Hyde Call [f ### How does Hyde Call make calls free? Hyde Call automatically assigns a dedicated prefix number (0032-2225) to calls made through the app. This prefix ensures that calls placed by Hyde-Phone subscribers are free of charge. ### Does the other party need to download Hyde Call? No, the other party does not need to download the Hyde Call application. Calls are made as if from the default call application, and the prefix number is not displayed to them. ### Can I make international calls with Hyde Call? No, international calls cannot be made using Hyde Call. The service is restricted to domestic calls within the specified network. ### What happens if I dial from outside the Hyde Call app? Dialing from outside the application will generate normal call charges. This includes services like Voice Mail, Dial Q2, and Navi Dial, with a charge of 19.9 yen per 30 seconds. ### Is Hyde Call available for all iPhone users? Hyde Call is only available for customers who have subscribed to Hyde-Phone. A contract with Hyde-Phone is required to use the application. ### What devices is Hyde Call compatible with? Hyde Call is compatible with iPhone 7, iPhone 7 Plus, iPhone 6, iPhone 6 Plus, iPhone 6s, iPhone 6s Plus, and iPhone SE running iOS 9.0 or later. Operation on other terminals is not guaranteed. ### How often is Hyde Call updated? The latest version of Hyde Call is 1.1.7, which was last updated on January 16, 2024. Updates typically address performance improvements and bug fixes. ### Does Hyde Call have ads? No, Hyde Call does not contain advertisements. As it is a free application with no in-app purchases, users can expect an ad-free experience. ## Version history (last 5 releases) ### 1.1.7 — 2024-01-16 iOS version update（iOS 15 and above） ### 1.1.6 — 2020-08-22 contact search bar issue fixed ### 1.1.3 — 2020-07-02 performance improved ### 1.1.2 — 2017-03-16 Minor bug fixes and other small improvements ### 1.1.1 — 2017-02-17 Minor bug fixes and other small improvements ## Apps similar to Hyde Call [f | App | Rating | Price | Category | | --- | --- | --- | --- | | [Find My Phone Friends Family](https://appshunter.io/ios/app/find-my-phone-friends-family/id6464323857) | 4.9 (22) | Free | Utilities | | [Toptrace](https://appshunter.io/ios/app/toptrace/id6468894209) | — | Free | Utilities | | [Hidden Tracker-WirelessTracker](https://appshunter.io/ios/app/hidden-tracker-wirelesstracker/id6444854009) | — | Free | Utilities | | [NumberBook: Who Is Calling?](https://appshunter.io/ios/app/numberbook-who-is-calling/id1562671732) | 2.5 (6) | Free | Utilities | | [Loca : Phone Tracker by Number](https://appshunter.io/ios/app/loca-phone-tracker-by-number/id6448914282) | — | Free | Utilities | | [Watch AI Chat](https://appshunter.io/ios/app/watch-ai-chat/id6446231090) | — | $0.99 | Utilities | ## More apps by Crossover Innovation INC. - [TETSUYA-CALL f-Phone](https://appshunter.io/ios/app/tetsuya-call-f-phone/id1118372273) All apps by Crossover Innovation INC.: https://appshunter.io/developer/1105743664 --- *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.*