DTMF Decoder vs 2FA
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DTMF Decoder
This utility transforms your iPhone into a DTMF tone decoder. It listens to DTMF tones through the microphone and displays the dialed numbers. Decoded digits can be easily copied to the clipboard for further use.
- DTMF tone decoding
- Microphone input
- Displays dialed numbers
- Copy to clipboard
- Source code available
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Turns your iPhone into a simple DTMF decoder. Simply hold the iPhone's microphone near to a clear source of DTMF tones (telephone "Touch Tones") and it will display the numbers being dialed. The decoded digits are also placed into a text area from which you can copy them to the clipboard. See it in action here: https://www.youtube.com/watch?v=l_QD8KFCJPw Source code freely available: https://github.com/veghead/ios-dtmf-decoder
2FA
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Protect Your Digital Life with 2FA - Protect Your Data! Take control of your online security and privacy with 2FA - Protect Your Data – the ultimate app for managing two-factor authentication codes and storing private files safely. With powerful encryption and an easy-to-use interface, this app helps keep your accounts and personal data secure, all in one place. Features: Secure 2FA Codes – Generate time-based one-time passwords (TOTP) for all your online accounts. Secret Folder – Lock and hide photos, videos, documents, and other private files. Face ID Protection – Use biometric authentication to keep everything safe. Easy Setup – Quickly scan QR codes or manually add accounts. Whether you're protecting your accounts or safeguarding personal files, 2FA - Protect Your Data is the all-in-one solution for digital security. App provides subscription for a week and for a month. You can cancel your subscription at any time. To cancel the subscription: - access your settings; - find your profile and subscription management, where you can cancel or renew your subscription. Privacy Policy: https://doc-hosting.flycricket.io/app-from-anatolii-avramenko-privacy-policy/afd7d9af-fb5d-4d61-b661-68c7357026e7/privacy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Support URL: https://avradollarbig.wixsite.com/avramenko-support Download now and stay secure, private, and in control!
Screenshots
Verdict
The clearest difference is price: 2FA at Free against DTMF Decoder's $0.99. 2FA also leads on update cadence (weekly vs every 19 months). DTMF Decoder's advantage is in-app purchases (none vs 2) and ads (none vs shown). On device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
2FA is free to download; DTMF Decoder costs $0.99 up front. 2FA sells 2 in-app purchases, starting at $3.99 per 7 days. DTMF Decoder asks for nothing beyond the download.
DTMF Decoder ships an update every 19 months, 2FA weekly. The most recent releases landed on September 23, 2026 and May 19, 2026 respectively.
| Parameter | DTMF Decoder | 2FA |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 2.5 (17 ratings) — better | — |
| Positive reviews | 40.4% of reviews | — |
| Number of ratings | 17 — better | — |
| Update frequency | Every 19 months | Weekly — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 11.0 — better | 16 |
| Further details — not scored | ||
| Size | 5 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | dreadtech.com | SASU DYDY |
In-app purchases
DTMF Decoder
No in-app purchases
2FA
- Weekly Premium3 Days trial$3.997 Days
- Monthly Premium$9.991 Month









