# Nuky vs DuoMode

The clearest difference is in-app purchases: DuoMode at none against Nuky's 2. DuoMode also leads on update cadence (every 6 days vs every 2 weeks) and iOS requirement (16.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Nuky sells 2 in-app purchases, starting at $1.99 per month. DuoMode asks for nothing beyond the download.

Nuky ships an update every 2 weeks, DuoMode every 6 days. The most recent releases landed on October 11, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Nuky | DuoMode |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 6 days** |
| Size | 30 MB | 103 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 12+ |
| Developer | [WILLIAM DE OLIVEIRA IZIDRE](https://appshunter.io/developer/6786787772) | [Caue Santos](https://appshunter.io/developer/6799765418) |

## What reviewers say

### Nuky

[App page](https://appshunter.io/ios/app/nuky-adhd-focus-and-routine/id6786787770)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Nuky Pro Monthly | $1.99 | per month |
| Nuky Pro - Annual | $14.99 | per year |


### DuoMode

[App page](https://appshunter.io/ios/app/duomode/id6799765416)

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

**In-app purchases:** none


## Frequently asked questions

### Is Nuky free?

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

### Is DuoMode free?

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

### Do Nuky or DuoMode have ads?

Neither Nuky nor DuoMode shows ads.

### Which is updated more often, Nuky or DuoMode?

Nuky ships an update every 2 weeks, and DuoMode every 6 days. Most recently, Nuky was updated on October 11, 2026 and DuoMode on October 19, 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.*