# Deep Flow vs Grayscale

The clearest difference is price: Deep Flow at Free against Grayscale's $1.99. Grayscale's advantage is device support (3 vs 1) and iOS requirement (17.0 vs 26.0). On update cadence, ads and in-app purchases there is nothing between them.

Deep Flow is free to download; Grayscale costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Deep Flow ships an update monthly, Grayscale fortnightly. The most recent releases landed on October 5, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Deep Flow | Grayscale |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | — | Paid |
| Size | 9 MB | 3 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Tejeshwar Amirthy](https://appshunter.io/developer/1824269130) | [Iliane Zedadra](https://appshunter.io/developer/1571284261) |

## What reviewers say

### Deep Flow

[App page](https://appshunter.io/ios/app/deep-flow-screen-time-control/id6748088561)

**In-app purchases:** none


### Grayscale

[App page](https://appshunter.io/ios/app/grayscale-reduce-screen-time/id6760229480)

This app helps you focus by converting websites to black and white within Safari. Reduce visual distractions and make your browsing experience calmer by default. It offers simple, private control through a Safari extension.

**Highlights:** Convert websites to grayscale in Safari, Whitelist domains to keep them in color, One-tap control via Safari extension, Lightweight and private design, Reduces visual noise and stimulation

**Features:** Safari Extension, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Deep Flow free?

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

### Is Grayscale free?

Grayscale costs $1.99, with no in-app purchases.

### Do Deep Flow or Grayscale have ads?

Neither Deep Flow nor Grayscale shows ads.

### Which is updated more often, Deep Flow or Grayscale?

Deep Flow ships an update monthly, and Grayscale fortnightly. Most recently, Deep Flow was updated on October 5, 2026 and Grayscale on October 12, 2026.

---

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