# RAID Calculator vs IP Calculator Pro

The clearest difference is price: RAID Calculator at Free against IP Calculator Pro's $2.99. IP Calculator Pro's advantage is update cadence (every 2 months vs every 9 months) and chart position (#178 vs unranked). On review sentiment, ads, in-app purchases and device support there is nothing between them.

RAID Calculator is free to download; IP Calculator Pro costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

RAID Calculator ships an update every 9 months, IP Calculator Pro every 2 months. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | RAID Calculator | IP Calculator Pro |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | — | **[3.4 (5 ratings)](https://appshunter.io/ios/app/ip-calculator-pro/id1123720021/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | 42.1% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 months** |
| Monetization | **Free** | Paid |
| Best chart rank | — | **#178** |
| Size | 10 MB | 3 MB |
| Requires iOS | 26.0 | **8.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Todd Greco](https://appshunter.io/developer/395601656) | [Rutul Patel](https://appshunter.io/developer/1123720020) |

## 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


### IP Calculator Pro

[App page](https://appshunter.io/ios/app/ip-calculator-pro/id1123720021)

**Currently charting:** #178 Top Paid · Utilities (US App Store)

This application assists networking professionals and students with IP subnetting calculations. It offers tools for CIDR and VLSM subnetting, along with tutorials and practice modules. A comprehensive command reference is also included.

**Highlights:** CIDR and IPv4/IPv6 calculation, Subnet/VLSM calculator, Assignable IP range, subnet mask, network/broadcast addresses, VLSM algorithm implementation, CIDR/VLSM practice module, Subnetting tutorial with examples, Over 10,000 network commands

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

**In-app purchases:** none


## Frequently asked questions

### Is RAID Calculator free?

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

### Is IP Calculator Pro free?

IP Calculator Pro costs $2.99, with no in-app purchases.

### Do RAID Calculator or IP Calculator Pro have ads?

Neither RAID Calculator nor IP Calculator Pro shows ads.

### Which is updated more often, RAID Calculator or IP Calculator Pro?

RAID Calculator ships an update every 9 months, and IP Calculator Pro every 2 months. Most recently, RAID Calculator was updated on November 1, 2026 and IP Calculator Pro on November 6, 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.*