# Duse vs PurrNest

The clearest difference is update cadence: PurrNest at every 5 days against Duse's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Duse sells 4 in-app purchases, starting at $1.99 per month and PurrNest sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Duse ships an update fortnightly, PurrNest every 5 days. The most recent releases landed on October 24, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Duse | PurrNest |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (18 ratings)](https://appshunter.io/ios/app/duse-habit-tracker/id6742254716/reviews)** | — |
| Number of ratings | **18** | — |
| Positive reviews | 88.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | Freemium | — |
| Size | 28 MB | 85 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Andy Arevalo](https://appshunter.io/developer/1853674132) | [伟健 刘](https://appshunter.io/developer/6794169557) |

## What reviewers say

### Duse

[App page](https://appshunter.io/ios/app/duse-habit-tracker/id6742254716)

This app helps you build lasting habits and achieve your goals with a simple, customizable interface. Track good and bad habits with flexible frequencies, set personalized goals, and receive powerful reminders. Visualize your progress with insightful statistics and unlock achievements.

**Highlights:** Track good and bad habits, Flexible tracking frequencies (daily, weekly, monthly), Customizable goals and units, Multiple customizable reminders, Insightful statistics and progress visualization, Home and lock screen widgets, Achievements and notes

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $1.99 | per month |
| Yearly Premium (7-Day Trial) | $7.99 | per year |
| Yearly Premium | $7.99 | per year |
| Lifetime Access | $14.99 | one-time |


### PurrNest

[App page](https://appshunter.io/ios/app/purrnest-cat-focus-timer/id6795890873)

**Features:** Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Premium | $9.99 | one-time |


## Frequently asked questions

### Is Duse free?

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

### Is PurrNest free?

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

### Do Duse or PurrNest have ads?

Neither Duse nor PurrNest shows ads.

### Which is updated more often, Duse or PurrNest?

Duse ships an update fortnightly, and PurrNest every 5 days. Most recently, Duse was updated on October 24, 2026 and PurrNest on October 13, 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.*