# Signal Sense vs KeyBlock

The clearest difference is monetization model: KeyBlock at free against Signal Sense's free with in-app purchases. Signal Sense's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Signal Sense ships an update monthly, KeyBlock every 6 weeks. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Signal Sense | KeyBlock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/keyblock/id6768969376/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 66 MB | 26 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [CHARLOTTE FRANCES ESTCOURT](https://appshunter.io/developer/1896211345) | [KeyBlock Tech, LLC](https://appshunter.io/developer/1896619649) |

## What reviewers say

### Signal Sense

[App page](https://appshunter.io/ios/app/signal-sense-decode/id6766142929)

This app helps you understand the underlying patterns and signals in behavior, communication, and situations. It identifies inconsistencies and provides insights into the structure shaping outcomes, offering actionable steps for improvement.

**Highlights:** Guided signal questions, Pattern identification, Summary of experiences, Quick Read snapshot, Alignment Density Index score, Structural cause analysis, Risk forecasting

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### KeyBlock

[App page](https://appshunter.io/ios/app/keyblock/id6768969376)

This app uses NFC stickers to physically block distracting applications on your phone, helping you regain focus without relying on willpower. Simply tap your phone to a sticker to activate blocking modes like Deep Work or Sleep, and tap again to resume access.

**Highlights:** Block distracting apps with NFC tap, Four built-in focus modes, Dumb Phone mode for essentials, Activity dashboard for progress tracking, Discover page with focus tools

**In-app purchases:** none


## Frequently asked questions

### Is Signal Sense free?

Signal Sense is free to download, with no in-app purchases.

### Is KeyBlock free?

KeyBlock is free to download, with no in-app purchases.

### Do Signal Sense or KeyBlock have ads?

Neither Signal Sense nor KeyBlock shows ads.

### Which is updated more often, Signal Sense or KeyBlock?

Signal Sense ships an update monthly, and KeyBlock every 6 weeks. Most recently, Signal Sense was updated on October 24, 2026 and KeyBlock on October 31, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*