# PrepNote vs Disaster Prep & Stockpile

The clearest difference is update cadence: Disaster Prep & Stockpile at every 9 days against PrepNote's every 7 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PrepNote sells 1 one-off in-app purchase and Disaster Prep & Stockpile sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

PrepNote ships an update every 7 months, Disaster Prep & Stockpile every 9 days. Both last shipped on October 18, 2026.

## The numbers

| Metric | PrepNote | Disaster Prep & Stockpile |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 7 months | **Every 9 days** |
| Size | 7 MB | 76 MB |
| Requires iOS | 17.5 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Eri Tominaga](https://appshunter.io/developer/1528527513) | [Jimpei Negishi](https://appshunter.io/developer/1868338438) |

## What reviewers say

### PrepNote

[App page](https://appshunter.io/ios/app/prepnote/id6648762613)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Features | $1.99 | one-time |


### Disaster Prep & Stockpile

[App page](https://appshunter.io/ios/app/disaster-prep-and-stockpile/id6757696537)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月額プラン | $1.99 | per month |
| 年額プラン | $14.99 | per year |


## Frequently asked questions

### Is PrepNote free?

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

### Is Disaster Prep & Stockpile free?

Disaster Prep & Stockpile is free to download, with in-app purchases available.

### Do PrepNote or Disaster Prep & Stockpile have ads?

Both PrepNote and Disaster Prep & Stockpile show ads.

### Which is updated more often, PrepNote or Disaster Prep & Stockpile?

PrepNote ships an update every 7 months, and Disaster Prep & Stockpile every 9 days. Most recently, PrepNote was updated on October 18, 2026 and Disaster Prep & Stockpile on October 18, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*