# WD Purple Storage Calculator vs ACCESS ADMIN

The clearest difference is update cadence: ACCESS ADMIN at every 3 weeks against WD Purple Storage Calculator's every 2 months. ACCESS ADMIN also leads on iOS requirement (15.0 vs 18.5). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

WD Purple Storage Calculator ships an update every 2 months, ACCESS ADMIN every 3 weeks. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | WD Purple Storage Calculator | ACCESS ADMIN |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (62 ratings)](https://appshunter.io/ios/app/wd-purple-storage-calculator/id1326868332/reviews)** | — |
| Number of ratings | **62** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 3 MB | 148 MB |
| Requires iOS | 18.5 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bsharp Sales Enablers LLC](https://appshunter.io/developer/990579984) | [El Paso Communication Systems Inc.](https://appshunter.io/developer/975383906) |

## What reviewers say

### WD Purple Storage Calculator

[App page](https://appshunter.io/ios/app/wd-purple-storage-calculator/id1326868332)

Estimate the ideal storage capacity for your smart security system. Input parameters like video resolution, frame rate, and retention days to calculate microSD card or hard disk drive needs for NVRs.

**Highlights:** Calculate microSD card storage needs, Estimate hard disk drive capacity for NVRs, Factor in video resolution and frame rate, Determine storage based on retention days, Supports various video compression formats

**Features:** macOS Compatibility

**In-app purchases:** none


### ACCESS ADMIN

[App page](https://appshunter.io/ios/app/access-admin/id1455140810)

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

**In-app purchases:** none


## Frequently asked questions

### Is WD Purple Storage Calculator free?

WD Purple Storage Calculator is free to download, with no in-app purchases.

### Is ACCESS ADMIN free?

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

### Do WD Purple Storage Calculator or ACCESS ADMIN have ads?

Neither WD Purple Storage Calculator nor ACCESS ADMIN shows ads.

### Which is updated more often, WD Purple Storage Calculator or ACCESS ADMIN?

WD Purple Storage Calculator ships an update every 2 months, and ACCESS ADMIN every 3 weeks. Most recently, WD Purple Storage Calculator was updated on October 24, 2026 and ACCESS ADMIN on October 29, 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.*