# Dooo vs Private Notes Daily.

The clearest difference is in-app purchases: Private Notes Daily. at none against Dooo's 2. Dooo's advantage is update cadence (every 3 days vs every 4 months) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Dooo sells 2 in-app purchases, starting at $0.99 per year. Private Notes Daily. asks for nothing beyond the download.

Dooo ships an update every 3 days, Private Notes Daily. every 4 months. The most recent releases landed on October 16, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Dooo | Private Notes Daily. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/dooo-habit-tracker/id6749438072/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 77.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 4 months |
| Monetization | Freemium | — |
| Size | 17 MB | 3 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Lovely Duck, LLC](https://appshunter.io/developer/1505160193) | [向龙 卢](https://appshunter.io/developer/1852387695) |

## What reviewers say

### Dooo

[App page](https://appshunter.io/ios/app/dooo-habit-tracker/id6749438072)

Build positive habits effortlessly with this intuitive tracker. Customize goals, view progress with detailed statistics, and stay organized with a to-do list. Syncs across devices and offers a focus mode for enhanced productivity.

**Highlights:** Customizable habit names, icons, and colors, Flexible goal setting with multiple check-in frequencies, Detailed statistics and check-in calendar, To-Do List functionality, Focus mode, iCloud backup and cross-device sync, Data export

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Subscription | $0.99 | per year |
| One-Time Purchase | $2.99 | one-time |


### Private Notes Daily.

[App page](https://appshunter.io/ios/app/private-notes-daily/id6762111371)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Dooo free?

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

### Is Private Notes Daily. free?

Private Notes Daily. is free to download, with no in-app purchases.

### Do Dooo or Private Notes Daily. have ads?

Neither Dooo nor Private Notes Daily. shows ads.

### Which is updated more often, Dooo or Private Notes Daily.?

Dooo ships an update every 3 days, and Private Notes Daily. every 4 months. Most recently, Dooo was updated on October 16, 2026 and Private Notes Daily. on October 17, 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.*