# WD Purple Storage Calculator vs Electra by Codefacts

The clearest difference is update cadence: Electra by Codefacts at weekly against WD Purple Storage Calculator's every 2 months. Electra by Codefacts also leads on iOS requirement (15.6 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, Electra by Codefacts weekly. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | WD Purple Storage Calculator | Electra by Codefacts |
| --- | --- | --- |
| 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 | **Weekly** |
| Monetization | Free | — |
| Size | 3 MB | 20 MB |
| Requires iOS | 18.5 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Bsharp Sales Enablers LLC](https://appshunter.io/developer/990579984) | [Code Facts IT Solutions Private Limited](https://appshunter.io/developer/1691916962) |

## 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


### Electra by Codefacts

[App page](https://appshunter.io/ios/app/electra-by-codefacts/id6504793323)

**Features:** macOS Compatibility

**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 Electra by Codefacts free?

Electra by Codefacts is free to download, with no in-app purchases.

### Do WD Purple Storage Calculator or Electra by Codefacts have ads?

Neither WD Purple Storage Calculator nor Electra by Codefacts shows ads.

### Which is updated more often, WD Purple Storage Calculator or Electra by Codefacts?

WD Purple Storage Calculator ships an update every 2 months, and Electra by Codefacts weekly. Most recently, WD Purple Storage Calculator was updated on November 2, 2026 and Electra by Codefacts on November 4, 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.*