# StayGray vs Screen discipline

The clearest difference is iOS requirement: Screen discipline at 16.0 against StayGray's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. StayGray sells 3 in-app purchases, starting at $1.99 per month and Screen discipline sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

StayGray ships an update fortnightly, Screen discipline every 2 weeks. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | StayGray | Screen discipline |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/staygray/id6757358852/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 21 MB | 34 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 12+ |
| Developer | [MATTHIAS NEUWIRTH](https://appshunter.io/developer/1819953456) | [Jens Gunnar Solli Thoresen](https://appshunter.io/developer/6771960386) |

## What reviewers say

### StayGray

[App page](https://appshunter.io/ios/app/staygray/id6757358852)

This app helps reduce screen time by automatically switching your device to grayscale. You can customize when color is allowed, set schedules, and track your progress in reducing usage.

**Highlights:** Automatic grayscale switching, Customizable color exceptions, Scheduled monochrome periods, Location-based color activation, Progress tracking for screen time, Color breaks for temporary color access

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $1.99 | per month |
| StayGray Plus | $8.99 | per year |
| StayGray Plus: Lifetime | $24.99 | one-time |


### Screen discipline

[App page](https://appshunter.io/ios/app/screen-discipline/id6771960384)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 15 min extension | $0.99 | one-time |
| Screen Discipline Pro | $3.99 | one-time |


## Frequently asked questions

### Is StayGray free?

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

### Is Screen discipline free?

Screen discipline is free to download, with in-app purchases available.

### Do StayGray or Screen discipline have ads?

Neither StayGray nor Screen discipline shows ads.

### Which is updated more often, StayGray or Screen discipline?

StayGray ships an update fortnightly, and Screen discipline every 2 weeks. Most recently, StayGray was updated on October 31, 2026 and Screen discipline on October 25, 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.*