# DTMF Decoder — user reviews > 57 indexed App Store user reviews of DTMF Decoder by dreadtech.com, rated 2.50/5 from 17 ratings. - Source: https://appshunter.io/ios/app/dtmf-decoder/id306195275/reviews - App overview in markdown: https://appshunter.io/ios/app/dtmf-decoder/id306195275.md - Rating breakdown: 5★ 5 · 4★ 0 · 3★ 2 · 2★ 2 · 1★ 8 ## Newest reviews (13 of 57) ### 2/5 — 45 year PBX Installer here *2025-11-09* I tested this in multiple environments and with multiple sound levels. This App needs to buffer the DTMF better because there are far too many “double digits” that occur. I also have “Phonal Tonal,” and that also generates errors, but it outperforms this App even in quiet ambient conditions. Very disappointing. Phonal Tonal seems to generate random (phantom) numbers when no DTMF is present, which this App doesn’t seem to do, but it still shouldn’t put in multiple digits when only one digit was pressed. I think this should be a minor tweak in software. ### 3/5 — Update *2021-01-08* Any way to get this work with new iPhone update??? Great app but now it won’t work.... ### 4/5 — Handy at times *2020-05-30* Works for OK for me ### 2/5 — Unhappy with latest version *2017-01-20* I don't like this new version, please put back to most recent version. I don't understand the on/off switch, seems to serve no purpose. There are no instructions or labels explaining what things do or are for. I don't like how the decoded box works, would like to see each decode on a separate line, not all running together. Would also like to see the program be able to continue decoding while the app is closed operating in the background minimized. Again, not happy with this version of the dtmf decoder. ### 1/5 — Doesn't work *2015-12-26* Useless ### 3/5 — Hat mir geholfen... *2014-11-02* Ich habe mir die App zur Unterstützung für die Lösung eines Caches gekauft. Mit Ruhe und Geduld habe ich nach mehreren Versuchen die richtigen Angaben erhalten. Eine etwas empfindlichere und flexiblere Erkennung und es gibt 5 Sterne von mir. Eine Übersetzung in mehrere Landessprachen wäre hilfreich. ### 4/5 — Neat toy. *2014-09-30, version 1.5* Works as advertised. Would love to see additional features in future, such as a history, decode hex, ability to decode faster (shorter) tones. Otherwise, really really cool! ### 4/5 — Works for me *2014-09-09, version 1.5* Works great for me. I am a ham radio operator and I can run this app and hold it next to the speaker to decode DTMF codes that others are using to control equipment. ### 1/5 — Disappointing *2014-08-24* I wanted this to decode the numbers put into my landline phone memories. It doesn't work reliably. When a number has repeated characters it misses the repetition, or just gets the decode wrong. If the autodial is too fast it gets hopelessly wrong decode results . Too many errors to use reliably. ### 1/5 — Useless *2014-08-16* Doesn't decode. ### 1/5 — Etwas für die Tonne *2014-05-29* Leider ist diese App nicht zu gebrauchen ! Also ab in die Tonne! ### 1/5 — Absolute Garbage *2013-12-30, version 1.5* Useless. Silly gimmick. ### 2/5 — Barely decodes *2013-11-15, version 1.5* For quick tones, this app cannot keep up. PagerDecoder actually works way faster but still will not catch quick tones. ## Most critical reviews (10 lowest-rated) ### 1/5 — Not good *2025-02-07* Doesn’t work well. ### 1/5 — DOES NOT WORK DON’T BUY *2024-04-02* iPHone 13. iOS 17.4.1 Never displays anything ### 1/5 — This app doesn’t work *2024-03-01* Tried every imaginable setting, rebooted phone multiple times (iPhone 10) and nothing would get this app to work. ### 1/5 — Piece of crap doesn’t work *2023-10-03* Don’t buy! I had a cleanse load send signal and it would not pick up tones. These filthy trash con artists stole my .99. Don’t you fall for it ### 1/5 — Useless *2021-09-07, version 1.8.2* Does not work. How do I report this useless app to the store? ### 1/5 — Doesn’t work at all *2019-03-11* Used a clear and loud dtmf source and didn’t detect anything. I’d like my money back ### 1/5 — Pretty useless *2017-12-01* Doesn't identify numbers quickly enough. If you want to see what number a call box is calling, for example, it misses about half of the numbers. ### 1/5 — Poor performance *2017-07-12* Only usable on an iPhone 6S Plus at full sensitivity, and works poorly then. ### 1/5 — Terrible-does NOT work *2017-04-21* This app has never identified even one digit -never. ### 1/5 — it does not work *2016-09-30, version 1.5* can i have a refund please? ## Most praised reviews (10 highest-rated) ### 5/5 — Funktioniert *2023-10-08* Simple Idee gut und liebevoll umgesetzt. Wollte wissen, welche Tonfolge am Anfang von Vienna Calling (Falco) gespielt wird. Nach etwas Justierung in den Einstellungen hat es dann auch funktioniert. ### 5/5 — Works great! *2021-01-10* I needed used this to diagnose an issue with a call box for an apartment building. It worked great! ### 5/5 — Works great! *2020-11-30* We played around with it, and it picked up the tones and got them correct. ### 5/5 — Genuine does work *2020-06-15* I used this today to place against a old analog modem to see what number was being dialled. Worked 100%. Really impressed. Thought it might of been a gimmick but no, it actually did what it said on the tin. ### 5/5 — I have to revise my review *2019-10-14* When I first downloaded this app it didn’t work at all but after rebooting my iPhone 7 Plus it works GREAT! I actually used it at work today to grab the digits of an auto-dialer that dials very fast and it got it right every time. This thing works almost as well as a real digit grabber. I give it 5 stars now. ### 5/5 — Great app for professionals in the telecom industry *2018-04-02* I use this app regularly when troubleshooting autodialers and telephone entry systems. It saved me so much time. You must adjust noise levels in order to detect dtmf tones in noisy environments. ### 5/5 — Works just as described. *2017-01-06* The app picks up the tones quickly and accurately. Great simple little app. ### 5/5 — Works well *2012-06-22* I'm a PBX Administrator so little toys like this are always appealing. It works well for me, although I haven't found any professional use for it yet. I'm sure that day will come. Only 99 cents for a portable dtmf decoder on you at all times, better than nothing! Haha ### 5/5 — Amazing *2011-12-01* I love it! I'm going to use it for when people need to give me their CC# over the phone! ### 5/5 — Does the job well *2011-09-23, version 1.5* No issues. Recovered DTMF without any problems. Nice interface. Idiot proof interface. --- *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 2026-09-09.*