# 두두 vs Routine Island

The clearest difference is update cadence: 두두 at every 4 days against Routine Island's every 2 weeks. 두두 also leads on iOS requirement (11.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

두두 ships an update every 4 days, Routine Island every 2 weeks. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 두두 | Routine Island |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 weeks |
| Size | 58 MB | 25 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Juyeon Yu](https://appshunter.io/developer/1499305185) | [Seowon Choi](https://appshunter.io/developer/1870261770) |

## What reviewers say

### 두두

[App page](https://appshunter.io/ios/app/id6449709551)

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

**In-app purchases:** none


### Routine Island

[App page](https://appshunter.io/ios/app/routine-island/id6758012511)

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

**In-app purchases:** none


## Frequently asked questions

### Is 두두 free?

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

### Is Routine Island free?

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

### Do 두두 or Routine Island have ads?

Neither 두두 nor Routine Island shows ads.

### Which is updated more often, 두두 or Routine Island?

두두 ships an update every 4 days, and Routine Island every 2 weeks. Most recently, 두두 was updated on October 22, 2026 and Routine Island on October 24, 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.*