# Custos vs Preppr

The clearest difference is price: Custos at Free against Preppr's $1.99. Preppr's advantage is in-app purchases (none vs 3) and update cadence (every 3 days vs fortnightly). On ads there is nothing between them.

Custos is free to download; Preppr costs $1.99 up front. Custos sells 3 in-app purchases, starting at $1.99 per month. Preppr asks for nothing beyond the download.

Custos ships an update fortnightly, Preppr every 3 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Custos | Preppr |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Best chart rank | — | **#199** |
| Size | 168 MB | 12 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Emil Deak](https://appshunter.io/developer/1883312248) | [Jesse Haynes](https://appshunter.io/developer/6772373581) |

## What reviewers say

### Custos

[App page](https://appshunter.io/ios/app/custos-survival-prepper/id6760218134)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Custos Premium Monthly | $1.99 | per month |
| Custos Premium Jährlich | $12.99 | per year |
| Custos Premium Lifetime | $22.99 | one-time |


### Preppr

[App page](https://appshunter.io/ios/app/preppr-emergency-prep/id6789560872)

**Currently charting:** #199 Top Paid · Lifestyle (US App Store)

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

**In-app purchases:** none


## Frequently asked questions

### Is Custos free?

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

### Is Preppr free?

Preppr costs $1.99, with no in-app purchases.

### Do Custos or Preppr have ads?

Neither Custos nor Preppr shows ads.

### Which is updated more often, Custos or Preppr?

Custos ships an update fortnightly, and Preppr every 3 days. Most recently, Custos was updated on October 31, 2026 and Preppr on October 31, 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.*