# Fill Storage Pro vs PrepScanner

The clearest difference is in-app purchases: Fill Storage Pro at none against PrepScanner's 2. PrepScanner's advantage is ads (none vs shown). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. PrepScanner sells 2 in-app purchases, starting at $2.99 per month. Fill Storage Pro asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Fill Storage Pro against 5.0 for PrepScanner. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Fill Storage Pro | PrepScanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/fill-storage-pro/id6755057653/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/prepscanner/id6775988144/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | **Ad-supported** | Freemium |
| Size | 13 MB | 50 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Arum Communications Corp.](https://appshunter.io/developer/1851627253) | [Dragon Run Technologies LLC](https://appshunter.io/developer/6775988146) |

## What reviewers say

### Fill Storage Pro

[App page](https://appshunter.io/ios/app/fill-storage-pro/id6755057653)

This utility app helps users simulate low storage conditions for testing or securely erase deleted data by filling device storage with dummy files. It offers customizable filling options and easy cleanup.

**Highlights:** Low storage simulation for testing, Securely overwrite deleted data, Customizable storage filling (fixed sizes/percentage), One-tap cleanup of generated files, Ideal for developers and testers

**In-app purchases:** none


### PrepScanner

[App page](https://appshunter.io/ios/app/prepscanner/id6775988144)

Instantly identify plants, animals, and objects with AI. Get survival-relevant analysis like edibility, danger level, and resale value. Dig deeper with AI Chat and save all your scans for future reference.

**Highlights:** AI-powered identification, Survival-relevant analysis, Object condition assessment, AI Chat for follow-up questions, Scan history and reference building, Unlimited scans with Pro subscription

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PrepScanner Pro | $2.99 | per month |
| PrepScanner Pro | $28.99 | per year |


## Frequently asked questions

### Is Fill Storage Pro free?

Fill Storage Pro is free to download, with no in-app purchases.

### Is PrepScanner free?

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

### Which has better reviews, Fill Storage Pro or PrepScanner?

Fill Storage Pro and PrepScanner are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Fill Storage Pro or PrepScanner have ads?

Fill Storage Pro shows ads; PrepScanner does not.

### Which is updated more often, Fill Storage Pro or PrepScanner?

Fill Storage Pro ships an update every 2 months, and PrepScanner every 2 months. Most recently, Fill Storage Pro was updated on October 30, 2026 and PrepScanner 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.*