# RAID Calculator vs Temp Email

The clearest difference is in-app purchases: RAID Calculator at none against Temp Email's 4. Temp Email's advantage is iOS requirement (15.6 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Temp Email sells 4 in-app purchases, starting at $3.99 per 7 days. RAID Calculator asks for nothing beyond the download.

## The numbers

| Metric | RAID Calculator | Temp Email |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (10 ratings)](https://appshunter.io/ios/app/temp-email-temporary-mail/id6758198718/reviews)** |
| Number of ratings | — | **10** |
| Positive reviews | 42.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | — |
| Monetization | **Free** | Free with in-app purchases |
| Size | 10 MB | 70 MB |
| Requires iOS | 26.0 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Todd Greco](https://appshunter.io/developer/395601656) | [胜桃 吴](https://appshunter.io/developer/1606979731) |

## What reviewers say

### RAID Calculator

[App page](https://appshunter.io/ios/app/raid-calculator/id395601653)

This app helps you plan NAS storage configurations and upgrades. It calculates usable space for various RAID levels and NAS systems, even with mixed drive sizes. Visualize drive layouts, compare systems, and learn about RAID configurations.

**Highlights:** Calculate usable space for mixed drive sizes, Supports Synology, Unraid, ZFS, SnapRAID, Btrfs, Visualize drive data, parity, and mirror copies, Compare different NAS systems side-by-side, Plan drive upgrades and see space gains, Learn about RAID levels and NAS system pros/cons

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

**In-app purchases:** none


### Temp Email

[App page](https://appshunter.io/ios/app/temp-email-temporary-mail/id6758198718)

Instantly generate temporary, anonymous email addresses to sign up for services and receive files without revealing your personal inbox. Protect your privacy and avoid spam with this free disposable email solution.

**Highlights:** Instant disposable email generation, Receive emails and attachments, Read incoming emails in-app, Securely delete emails and addresses, Copy email to clipboard, Premium domains available

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $3.99 | per 7 days |
| year | $5.99 | per year |
| yearFree3 | $6.99 | per year |
| Left Time | $6.99 | one-time |


## Frequently asked questions

### Is RAID Calculator free?

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

### Is Temp Email free?

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

### Do RAID Calculator or Temp Email have ads?

Neither RAID Calculator nor Temp Email shows ads.

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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.*