Comparison

Key vs super simple to do list

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Real-time DTMF signal decoding
  • Uses device microphone
  • Displays decoded numbers instantly
  • Suitable for professionals
  • Useful for tech enthusiasts
Features
Read full description

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.

About

super simple to do list

Features
Read full description

The only to-do list app you'll ever need - because it does less. No notifications. No folders. No projects, tags, or productivity systems. Just your tasks, written down, checked off. YOUR LIST ON YOUR LOCK SCREEN Pin your to-do list to the Lock Screen and check things off without even unlocking your phone. Add a widget to your Home Screen too — tap the circle, task done, right from the widget. MAKE IT TRULY YOURS Pick from 20 hand-crafted themes: handwriting on notebook grid paper, a ruled journal with a red margin, sticky-note marker, chalkboard, typewriter, green-on-black terminal, elegant serif, and more. Add an optional font color and the whole list — text, checkmarks, everything — follows. SIMPLE MEANS SIMPLE • Type a task, hit return, type the next one • Tap the circle to strike it out • Swipe left to delete, hold and drag to reorder • Clear all your done tasks in one tap PRIVATE BY DESIGN No account. No sign-up. No analytics, no tracking, no third-party anything. Your tasks live on your device and nowhere else. Free. Simple. Yours.

Screenshots

Key4 screens
super simple to do list4 screens

Verdict

The call

The clearest difference is price: super simple to do list at Free against Key's $0.99. Key's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 17.0). On ads and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

super simple to do list is free to download; Key costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scorecard3 real differences · 6 level
Key versus super simple to do list: the parameters behind the verdict, then further details
ParameterKeysuper simple to do list
Price$0.99Free — better
Rating1.0 (1 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings1 — better—
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.6 — better17.0
Further details — not scored
Size1 MB1 MB
Age rating4+4+
DeveloperNANO ELECTRONICS RESEARCH MUHENDISLIK ARASTIRMA GELISTIRME LIMITED SIRKETIAndeesh Mehdi Syed

In-app purchases

None

Key

No in-app purchases

None

super simple to do list

No in-app purchases

Questions

Is Key free?
Key costs $0.99, with no in-app purchases.
Is super simple to do list free?
super simple to do list is free to download, with no in-app purchases.
Do Key or super simple to do list have ads?
Neither Key nor super simple to do list shows ads.

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