# Binary Calculator vs Deep Focus Noise Machine

The clearest difference is price: Deep Focus Noise Machine at Free against Binary Calculator's $0.99. Binary Calculator's advantage is in-app purchases (none vs 4) and iOS requirement (14.1 vs 17.6). On ads and device support there is nothing between them.

Deep Focus Noise Machine is free to download; Binary Calculator costs $0.99 up front. Deep Focus Noise Machine sells 4 in-app purchases, starting at $0.99 per month. Binary Calculator asks for nothing beyond the download.

## The numbers

| Metric | Binary Calculator | Deep Focus Noise Machine |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.8 (25 ratings)](https://appshunter.io/ios/app/deep-focus-noise-machine-dpli/id6760627418/reviews)** |
| Number of ratings | — | **25** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Weekly |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 13 MB |
| Requires iOS | **14.1** | 17.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [H Valeur](https://appshunter.io/developer/621824042) | [Lukasz Solniczek](https://appshunter.io/developer/1032070216) |

## What reviewers say

### Binary Calculator

[App page](https://appshunter.io/ios/app/binary-calculator/id6474701882)

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

**In-app purchases:** none


### Deep Focus Noise Machine

[App page](https://appshunter.io/ios/app/deep-focus-noise-machine-dpli/id6760627418)

This app generates unique, real-time audio soundscapes designed to prevent neural adaptation and enhance focus for neurodivergent individuals. It offers various noise colors and neurally-validated presets to create a spatial shield against distractions, all while operating 100% offline.

**Highlights:** Real-time generative audio, no loops, Spatial shielding with HRTF, Neurally-validated presets, Brown, pink, speech-shaped, and white noise, 100% offline functionality, Privacy-first, zero data tracking, Battery efficient native synthesis

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dpli Monthly | $0.99 | per month |
| Dpli weekly | $0.99 | per 7 days |
| Dpli Yearly | $12.99 | per year |
| Dpli lifetime access | $12.99 | one-time |


## Frequently asked questions

### Is Binary Calculator free?

Binary Calculator costs $0.99, with no in-app purchases.

### Is Deep Focus Noise Machine free?

Deep Focus Noise Machine is free to download, with in-app purchases available.

### Do Binary Calculator or Deep Focus Noise Machine have ads?

Neither Binary Calculator nor Deep Focus Noise Machine shows ads.

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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.*