# Deep Focus Noise Machine vs Ambient Timer

The clearest difference is update cadence: Deep Focus Noise Machine at weekly against Ambient Timer's every 2 months. Deep Focus Noise Machine also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Deep Focus Noise Machine sells 4 in-app purchases, starting at $0.99 per month and Ambient Timer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Deep Focus Noise Machine ships an update weekly, Ambient Timer every 2 months. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Deep Focus Noise Machine | Ambient Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (23 ratings)](https://appshunter.io/ios/app/deep-focus-noise-machine-dpli/id6760627418/reviews)** | — |
| Number of ratings | **23** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 13 MB | 193 MB |
| Requires iOS | 17.6 | **16.6** |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Lukasz Solniczek](https://appshunter.io/developer/1032070216) | [Chisato Ohori](https://appshunter.io/developer/1896613589) |

## What reviewers say

### 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 |


### Ambient Timer

[App page](https://appshunter.io/ios/app/ambient-timer/id6768889515)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Unlimited | $2.99 | one-time |


## Frequently asked questions

### Is Deep Focus Noise Machine free?

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

### Is Ambient Timer free?

Ambient Timer is free to download, with in-app purchases available.

### Do Deep Focus Noise Machine or Ambient Timer have ads?

Neither Deep Focus Noise Machine nor Ambient Timer shows ads.

### Which is updated more often, Deep Focus Noise Machine or Ambient Timer?

Deep Focus Noise Machine ships an update weekly, and Ambient Timer every 2 months. Most recently, Deep Focus Noise Machine was updated on October 14, 2026 and Ambient Timer on October 7, 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.*