# PrepperApp vs OmniDisk Space Check

The clearest difference is update cadence: PrepperApp at every 3 days against OmniDisk Space Check's every 2 weeks. OmniDisk Space Check's advantage is iOS requirement (15.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PrepperApp sells 1 one-off in-app purchase and OmniDisk Space Check sells 9 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

PrepperApp ships an update every 3 days, OmniDisk Space Check every 2 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | PrepperApp | OmniDisk Space Check |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 72 MB | 36 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | **iPhone, iPad, iPod, Mac** |
| Age rating | 12+ | 4+ |
| Developer | [Michael Stuut](https://appshunter.io/developer/1886367246) | [智彬 林](https://appshunter.io/developer/1628120015) |

## What reviewers say

### PrepperApp

[App page](https://appshunter.io/ios/app/prepperapp/id6760813421)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PrepperApp Pro | $12.99 | one-time |


### OmniDisk Space Check

[App page](https://appshunter.io/ios/app/omnidisk-space-check/id6775121048)

Analyze your device's storage to identify and manage photos, videos, and contacts. Reclaim space by finding duplicates, large files, and optimizing media. Ensure your data remains private with on-device analysis.

**Highlights:** Smart storage analysis, Duplicate and similar photo detection, Large video finding and compression, Live Photo optimization, Contact organization and backup, On-device privacy-first analysis

**Features:** Vision Pro support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OmniDisk Mac Pro Monthly | $0.99 | per month |
| OmniDisk Mobile Pro Monthly | $2.00 | per month |
| OmniDisk Mac Pro Yearly | $3.99 | per year |
| OmniDisk Mobile Pro Yearly | $8.00 | per year |
| OmniDisk Pro Monthly | $14.99 | per month |
| OmniDisk Pro Yearly | $49.99 | per year |
| OmniDisk Mac Pro Lifetime | $8.99 | one-time |
| OmniDisk Mobile Pro Lifetime | $19.00 | one-time |
| OmniDisk Mac Lifetime Pro | $39.99 | one-time |


## Frequently asked questions

### Is PrepperApp free?

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

### Is OmniDisk Space Check free?

OmniDisk Space Check is free to download, with in-app purchases available.

### Do PrepperApp or OmniDisk Space Check have ads?

Neither PrepperApp nor OmniDisk Space Check shows ads.

### Which is updated more often, PrepperApp or OmniDisk Space Check?

PrepperApp ships an update every 3 days, and OmniDisk Space Check every 2 weeks. Most recently, PrepperApp was updated on October 24, 2026 and OmniDisk Space Check on October 24, 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.*