# RAID Calculator vs Time Calculator Tools

The clearest difference is review sentiment: Time Calculator Tools at 100% against RAID Calculator's 42%. Time Calculator Tools also leads on iOS requirement (15.6 vs 26.0). RAID Calculator's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, update cadence, 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.

RAID Calculator ships an update every 9 months, Time Calculator Tools every 5 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | RAID Calculator | Time Calculator Tools |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (7 ratings)](https://appshunter.io/ios/app/time-calculator-tools/id6449715720/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | 42.1% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Every 5 months** |
| Monetization | **Free** | Ad-supported |
| Size | 10 MB | 34 MB |
| Requires iOS | 26.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Todd Greco](https://appshunter.io/developer/395601656) | [Evan Winograd](https://appshunter.io/developer/1072241944) |

## 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


### Time Calculator Tools

[App page](https://appshunter.io/ios/app/time-calculator-tools/id6449715720)

This app offers a suite of tools for date and time calculations. It can determine the duration between dates, calculate time differences across zones, and estimate time until specific events. It also helps find the midpoint between two dates.

**Highlights:** Calculate total hours and minutes worked, Check time in different time zones, Calculate days until a specific event, Determine weeks between two dates, Find the midpoint of a date range

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RAID Calculator free?

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

### Is Time Calculator Tools free?

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

### Do RAID Calculator or Time Calculator Tools have ads?

Time Calculator Tools shows ads; RAID Calculator does not.

### Which is updated more often, RAID Calculator or Time Calculator Tools?

RAID Calculator ships an update every 9 months, and Time Calculator Tools every 5 months. Most recently, RAID Calculator was updated on November 1, 2026 and Time Calculator Tools on November 3, 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.*