# Deep Focus Noise & Timer vs ShiftFlow

The clearest difference is review sentiment: Deep Focus Noise & Timer at 100% against ShiftFlow's 50%. Deep Focus Noise & Timer also leads on device support (3 vs 1). ShiftFlow's advantage is in-app purchases (none vs 4). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. Deep Focus Noise & Timer sells 4 in-app purchases, starting at $0.99 per 7 days. ShiftFlow asks for nothing beyond the download.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 28, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Deep Focus Noise & Timer | ShiftFlow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (26 ratings)](https://appshunter.io/ios/app/deep-focus-noise-and-timer-dpli/id6760627418/reviews)** | — |
| Number of ratings | **26** | — |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 13 MB | 3 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Lukasz Solniczek](https://appshunter.io/developer/1032070216) | [PengPeng Li](https://appshunter.io/developer/679477224) |

## What reviewers say

### Deep Focus Noise & Timer

[App page](https://appshunter.io/ios/app/deep-focus-noise-and-timer-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 weekly | $0.99 | per 7 days |
| Dpli Monthly | $1.99 | per month |
| Dpli Yearly | $12.99 | per year |
| Dpli lifetime access | $14.99 | one-time |


### ShiftFlow

[App page](https://appshunter.io/ios/app/shiftflow-rotation-calendar/id6818828064)

This offline calendar helps you plan repeating work shifts and visualize your workdays, nights, and days off. Customize rotations, set reminders, and share your schedule. It also provides statistics on your shifts and work hours.

**Highlights:** Build custom shift rotations, Handle date changes and add notes, Set local shift reminders, Share schedule images, View shift statistics, Home and Lock Screen widgets, Offline functionality

**In-app purchases:** none


## Frequently asked questions

### Is Deep Focus Noise & Timer free?

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

### Is ShiftFlow free?

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

### Do Deep Focus Noise & Timer or ShiftFlow have ads?

Neither Deep Focus Noise & Timer nor ShiftFlow shows ads.

### Which is updated more often, Deep Focus Noise & Timer or ShiftFlow?

Deep Focus Noise & Timer ships an update weekly, and ShiftFlow weekly. Most recently, Deep Focus Noise & Timer was updated on October 28, 2026 and ShiftFlow on October 26, 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.*