# Nosk vs Delulu Study

The clearest difference is ads: Nosk at none against Delulu Study's shown. Nosk also leads on update cadence (every 2 days vs fortnightly). Delulu Study's advantage is device support (3 vs 1). On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Nosk sells 4 in-app purchases, starting at $3.99 per 7 days and Delulu Study sells 4 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Nosk ships an update every 2 days, Delulu Study fortnightly. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Nosk | Delulu Study |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Fortnightly |
| Size | 84 MB | 56 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mustafa Gur](https://appshunter.io/developer/6775546395) | [8x](https://appshunter.io/developer/1894971455) |

## What reviewers say

### Nosk

[App page](https://appshunter.io/ios/app/nosk-screen-time-control/id6784219095)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $3.99 | per 7 days |
| Monthly Premium | $9.99 | per month |
| Yearly Premium | $29.99 | per year |
| Yearly Premium | $44.99 | per year |


### Delulu Study

[App page](https://appshunter.io/ios/app/delulu-study/id6788639514)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $2.99 | per month |
| Max Monthly | $5.99 | per month |
| Pro Annual | $24.99 | per year |
| Max Annual | $49.99 | per year |


## Frequently asked questions

### Is Nosk free?

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

### Is Delulu Study free?

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

### Do Nosk or Delulu Study have ads?

Delulu Study shows ads; Nosk does not.

### Which is updated more often, Nosk or Delulu Study?

Nosk ships an update every 2 days, and Delulu Study fortnightly. Most recently, Nosk was updated on October 24, 2026 and Delulu Study on October 28, 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.*