# DTMF - Sound of Dialing Keypad > Educational app to learn DTMF tones for phone dialing. (iPhone/iPad app by NINTHBOAT INC..) - Source: https://appshunter.io/ios/app/dtmf-sound-of-dialing-keypad/id605405040 (this page in markdown: same URL + `.md`) - Developer: [NINTHBOAT INC.](https://appshunter.io/developer/522415808) - Category: Education, Utilities - Price: Free - Rating: 1.90/5 from 9 App Store ratings · 9 written reviews indexed - Age rating: 4+ - Requires: iOS 10.0 · 5 MB - Languages: American English - Released: 2013-03-02 - Data updated: 2026-06-05 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/dtmf-sound-of-dialing-keypad/id605405040/reviews.md ## What is DTMF? You know the beeps when you are dialing a number. But do you know the beeps are identical? You can learn what numbers the beeps refer to by using this app. ## Key features - Learn DTMF tones - Identify number beeps - Educational keypad sounds ## Recent user reviews (9 of 9) All indexed reviews: https://appshunter.io/ios/app/dtmf-sound-of-dialing-keypad/id605405040/reviews.md ### 1/5 — crashes *2023-09-19, version 1.3* Tapping New causes it to crash. Pessing the numbers does not produce the sound as one might expect. Fail! ### 1/5 — Worthless *2023-09-16* Less than worthless! ### 1/5 — Crashes more than it works *2020-01-21* Awfully poor written app. Does nothing other than crash. ### 1/5 — ? *2019-12-28, version 1.3* App makes no sound, has no instructions. Tells me I’ve already made a guess but doesn’t actually let me know what i’m guessing towards... Utterly useless ### 1/5 — This app does not work... *2018-12-21* Every time you select ‘new’, it freezes and crashes. This app now does nothing… ### 1/5 — Garbage *2018-11-14* When I try to use it it crashes. 4 months ago it didn’t do that ### 1/5 — Garbage *2018-10-31* Garbage. ### 5/5 — Im doing this for All star song *2017-07-19* lol ### 5/5 — Great way to develop DTMF decoding skill. *2016-02-22* It is free, it works, I like it. ## Frequently asked questions about DTMF ### What is DTMF - Sound of Dialing Keypad? DTMF - Sound of Dialing Keypad is an educational application designed to help users learn and identify the distinct audio tones produced when dialing numbers on a phone keypad. ### How does DTMF - Sound of Dialing Keypad help users learn? The app allows users to listen to the beeps associated with each number and learn which tone corresponds to which digit, aiding in the understanding of Dual-Tone Multi-Frequency signaling. ### What is the learning methodology used by DTMF - Sound of Dialing Keypad? The app employs an auditory learning approach, where users associate specific sounds with numerical digits, making it a practical tool for recognizing DTMF tones. ### Does DTMF - Sound of Dialing Keypad offer progress tracking? The provided information does not specify any progress tracking features within the app. It focuses on direct learning of DTMF tones. ### Is DTMF - Sound of Dialing Keypad suitable for all ages? DTMF - Sound of Dialing Keypad has an age rating of 4+, making it suitable for children and adults interested in learning about phone keypad sounds. ### How often is DTMF - Sound of Dialing Keypad updated? The app was last updated on August 13, 2018, with version 1.3. It has not received updates since then. ### What devices support DTMF - Sound of Dialing Keypad? DTMF - Sound of Dialing Keypad is available for iPhone and iPod devices. ### Does DTMF - Sound of Dialing Keypad have ads? DTMF - Sound of Dialing Keypad is ad-free, as indicated by the absence of advertising in its description and monetization model. ## Version history (last 4 releases) ### 1.3 — 2018-08-13 This app has been updated by Apple to display the Apple Watch app icon. - Now you can select keys to guess - Bug fixes ### 1.2 — 2018-06-03 New keys added: A, B, C, D, Star and Pound Now you can hold the keys for longer duration of sound ### 1.1 — 2017-02-06 Support for newer iOS. ### 1.0 — 2013-03-02 No release notes. ## Apps similar to DTMF | App | Rating | Price | Category | | --- | --- | --- | --- | | [DoodleConnect](https://appshunter.io/ios/app/doodleconnect/id1176073180) | 4.7 (55) | Free | Education | | [Amateur Radio Toolkit](https://appshunter.io/ios/app/amateur-radio-toolkit/id1375297506) | 4.1 (336) | Free | Education | | [RST Decoder](https://appshunter.io/ios/app/rst-decoder/id1519587362) | 5.0 (6) | Free | Education | | [Morse Mania: Learn Morse Code](https://appshunter.io/ios/app/morse-mania-learn-morse-code/id1511042196) | 4.9 (6,604) | Free | Education | | [Solar System Simulator](https://appshunter.io/ios/app/solar-system-simulator/id1190193240) | 2.0 (3) | Free | Education | | [Campus Labs® Event Check-in](https://appshunter.io/ios/app/campus-labs-event-check-in/id1221503400) | 4.8 (1,381) | Free | Education | ## More apps by NINTHBOAT INC. - [ClearTheBubbles](https://appshunter.io/ios/app/clearthebubbles/id522415805) All apps by NINTHBOAT INC.: https://appshunter.io/developer/522415808 ## Related topics [dtmf decoder](https://appshunter.io/ios/topics/dtmf-decoder) · [dtmfdec](https://appshunter.io/ios/topics/dtmfdec) · [dtmf](https://appshunter.io/ios/topics/dtmf) · [dtmf dial](https://appshunter.io/ios/topics/dtmf-dial) · [beeper md](https://appshunter.io/ios/topics/beeper-md) --- *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 2026-06-05.*