# Zerosec Note vs DayWorld 一念世界

The clearest difference is in-app purchases: Zerosec Note at none against DayWorld 一念世界's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. DayWorld 一念世界 sells 1 in-app purchase, starting at $14.99 per year. Zerosec Note asks for nothing beyond the download.

## The numbers

| Metric | Zerosec Note | DayWorld 一念世界 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | — |
| Size | 1 MB | 4 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [崇旭 王](https://appshunter.io/developer/1782724458) | [浩 赵](https://appshunter.io/developer/6790351177) |

## What reviewers say

### Zerosec Note

[App page](https://appshunter.io/ios/app/zerosec-note/id6738882186)

**Features:** macOS Compatibility

**In-app purchases:** none


### DayWorld 一念世界

[App page](https://appshunter.io/ios/app/dayworld/id6801054754)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Day Keeper | $14.99 | per year |


## Frequently asked questions

### Is Zerosec Note free?

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

### Is DayWorld 一念世界 free?

DayWorld 一念世界 is free to download, with in-app purchases available.

### Do Zerosec Note or DayWorld 一念世界 have ads?

Neither Zerosec Note nor DayWorld 一念世界 shows ads.

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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.*