# ProvidentPrep vs Custos

The clearest difference is in-app purchases: ProvidentPrep at none against Custos's 3. ProvidentPrep also leads on update cadence (every 3 days vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Custos sells 3 in-app purchases, starting at $1.99 per month. ProvidentPrep asks for nothing beyond the download.

ProvidentPrep ships an update every 3 days, Custos fortnightly. The most recent releases landed on September 25, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | ProvidentPrep | Custos |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/providentprep/id6759816669/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Fortnightly |
| Monetization | Free | — |
| Size | 3 MB | 168 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Blake Price](https://appshunter.io/developer/1880890437) | [Emil Deak](https://appshunter.io/developer/1883312248) |

## What reviewers say

### ProvidentPrep

[App page](https://appshunter.io/ios/app/providentprep/id6759816669)

This app helps you build and manage your family's food storage and emergency preparedness. Track inventory, set goals, and receive rotation reminders to ensure your supplies are always fresh and ready.

**Highlights:** Food storage organization by category, Expiration tracking and rotation reminders, Barcode scanning for item addition, 72-hour kit checklist, Progress tracking towards supply goals

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is ProvidentPrep free?

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

### Is Custos free?

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

### Do ProvidentPrep or Custos have ads?

Neither ProvidentPrep nor Custos shows ads.

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

ProvidentPrep ships an update every 3 days, and Custos fortnightly. Most recently, ProvidentPrep was updated on September 25, 2026 and Custos on October 11, 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.*