Key vs GramAI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Key
This application uses your device's microphone to capture and decode dual-tone multi-frequency (DTMF) signals in real-time. It displays the decoded numbers instantly on your screen, making it a useful tool for professionals and tech enthusiasts.
- Real-time DTMF signal decoding
- Uses device microphone
- Displays decoded numbers instantly
- Suitable for professionals
- Useful for tech enthusiasts
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Key-Tone-Decoder: Real-Time DTMF Signal Decoder Dual-tone multi-frequency (DTMF) signaling is a telecommunication system that facilitates communication between telephone equipment, other devices, and switching centers using voice-frequency tones over telephone lines. Key-Tone-Decoder leverages your iPhone's microphone to capture these DTMF signals, instantly decoding them and displaying the decoded numbers on your screen in real-time. Perfect for professionals and tech enthusiasts, Key-Tone-Decoder makes it easy to decode DTMF signals right from your device.
GramAI
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GramAI – Your Personalized News & Informational Videos Hub Stay updated and entertained with GramAI, the AI-powered app that brings you news and videos tailored to your interests. Smart Personalization Our AI learns what you like and delivers news and videos that matter most to you. News That Matters Get real-time updates across categories like politics, tech, business, sports, and more—without the clutter. Endless Videos Enjoy short, engaging videos curated to match your vibe—from trending content to informative bites. Fast, Clean Experience Scroll seamlessly through a modern, distraction-free interface designed for speed and simplicity. Discover More Explore new topics, creators, and perspectives—all in one place.
Screenshots
Verdict
The clearest difference is price: GramAI at Free against Key's $0.99. GramAI also leads on iOS requirement (13.0 vs 15.6). On ads, in-app purchases and 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
GramAI is free to download; Key costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Key | GramAI |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 1.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | — | Every 4 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 69 MB |
| Age rating | 4+ | 4+ |
| Developer | NANO ELECTRONICS RESEARCH MUHENDISLIK ARASTIRMA GELISTIRME LIMITED SIRKETI | Ravi Kumar Singh |
In-app purchases
Key
No in-app purchases
GramAI
No in-app purchases
