# Denma: Tap to Vibrate — Simple fun with friends > Simple iPhone vibration app for casual entertainment and fun with friends. (iPhone/iPad app by Kentaro Hayashi.) - Source: https://appshunter.io/ios/app/denma-tap-to-vibrate/id1397740677 (this page in markdown: same URL + `.md`) - Developer: [Kentaro Hayashi](https://appshunter.io/developer/1397740676) - Category: Lifestyle, Entertainment - Price: Free - Rating: 2.80/5 from 78 App Store ratings · 18 written reviews indexed - Age rating: 4+ - Requires: iOS 15.0 · 21 MB - Languages: American English - Released: 2018-07-26 - Data updated: 2026-10-17 - Monetization: ad-supported - User reviews in markdown: https://appshunter.io/ios/app/denma-tap-to-vibrate/id1397740677/reviews.md ## What is Denma? A playful way to use your iPhone’s vibration. Tap the massager image to start, then tap again to stop. Try it for fun, on your own or with friends. The app uses the iPhone’s own vibration. It is not a massage device and has no medical or therapeutic purpose. Vibration may vary depending on your device. ## Key features - Tap to activate vibration - Tap to deactivate vibration - Uses iPhone's built-in vibration - For solo or group fun - Simple interface ## Is Denma safe? Denma: Tap to Vibrate has mixed safety signals based on user ratings. The AppsHunter Safety Score for Denma is 59 out of 100. This assessment is based on 78 user ratings, with an App Store average of 2.8 out of 5. Of 78 App Store ratings, 39.7% point to a safe experience, 7.7% suggest some concerns, and 52.6% point to a risky experience. ## Is Denma legit? Denma: Tap to Vibrate appears to be a legitimate app. The AppsHunter Legitimacy Score for Denma is 83 out of 100 points across 7 verification signals from App Store and developer data. ## Recent user reviews (10 of 18) All indexed reviews: https://appshunter.io/ios/app/denma-tap-to-vibrate/id1397740677/reviews.md ### 1/5 — How dose it work *2024-11-04* How dose it work is not doing any thing for me and I don’t speak Chinese ### 1/5 — dude *2024-08-11* bro i think im getting hacked or sm. these kind of apps are downloading in my phone ### 1/5 — … *2024-06-13* its literally just a dark screen ### 5/5 — GET THIS APP *2024-06-12* I worked so great I personally use this a lot ### 1/5 — how do you even use *2024-05-11* its not doing anything just on and off… ### 5/5 — OMGGGG 🤤🐱 *2024-04-21* So, just by the title you can most likely tell I use this on my 🐱, and O.M.G it feels so good, it’s free, and by far the best app I’ve tried five stars. ### 5/5 — I squirted so much it got all over my bed! *2024-04-04* It is the best app but I wish it went faster ### 3/5 — True review *2023-05-29* This app isn’t that bad but you can’t edit or adjust the vibration. But there are no adds or spending money, so I think it deserves a 3 stars. ### 2/5 — Lmdao *2023-05-29* Funny. Should add adjustable settings besides just off and on. show different wands. ### 2/5 — Squirt squirt *2023-05-28* I accidentally squirted on my dog and she got herpes ## Frequently asked questions about Denma ### Does Denma have ads? Yes, Denma contains advertisements. As a free application, it is supported by ads to provide its features to users. ### What is Denma's rating? Denma has a rating of 2.8 stars based on 78 user ratings. ### What devices does Denma support? Denma is compatible with iPhone and iPod devices. ### What is the age rating for Denma? Denma has an age rating of 4+, making it suitable for younger users and families. ### Is Denma a medical or therapeutic device? No, Denma is not a massage device and has no medical or therapeutic purpose. It is intended solely for entertainment. ### How often is Denma updated? The latest version of Denma is 2.0.3, and it was last updated on October 9, 2026. ### Can Denma be used offline? The description does not specify offline functionality, but as a simple vibration app, it is likely to function without an internet connection. ## Version history (last 5 releases) ### 2.0.3 — 2026-10-09 Improved the app’s startup screen and ad display. Added App Store descriptions and screenshots in more languages. ### 2.0.2 — 2026-10-08 ブラジル向けのApp Store紹介文とスクリーンショットを更新しました。アプリの機能に変更はありません。 ### 2.0.1 — 2026-09-03 サポート情報と広告配信に関する設定を更新しました。 ### 2.0.0 — 2026-08-30 旧版を現行のiOS向けに全面刷新しました。 ・画面と操作性を更新 ・連続振動の安定性を改善 ・バックグラウンド移行時と10分経過時の自動停止を追加 ・VoiceOver向け操作ラベルを追加 ・広告表示とプライバシー同意機能を現行仕様へ更新 ・新しいアプリアイコンに更新 ### 1.1.4 — 2018-07-26 このAppはApple Watch Appのアイコンを表示するようAppleにより更新されました。 アイコン表示の修正 ## Apps similar to Denma | App | Rating | Price | Category | | --- | --- | --- | --- | | [Massager: Strong Vibration!](https://appshunter.io/ios/app/massager-strong-vibration/id6471004082) | 4.3 (27) | Free | Lifestyle | | [Emoticon Dictionary](https://appshunter.io/ios/app/emoticon-dictionary/id465250131) | 4.9 (2,096) | Free | Lifestyle | | [Water Wave - Clean Speaker](https://appshunter.io/ios/app/water-wave-clean-speaker/id6476876551) | 4.6 (1,272) | Free | Lifestyle | | [idol light stick](https://appshunter.io/ios/app/idol-light-stick/id6449620290) | 4.7 (911) | Free | Lifestyle | | [LoveCounter - My Love](https://appshunter.io/ios/app/lovecounter-my-love/id1037601306) | 4.8 (6,416) | Free | Lifestyle | | [Been Together(Ad)](https://appshunter.io/ios/app/been-togetherad/id539392422) | 4.2 (875) | Free | Lifestyle | ## Related topics [theragun](https://appshunter.io/ios/topics/theragun) · [theraface](https://appshunter.io/ios/topics/theraface) · [theragun mini](https://appshunter.io/ios/topics/theragun-mini) · [buzzingapp](https://appshunter.io/ios/topics/buzzingapp) --- *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 2026-10-17.*