# Tank Volume Calculator vs Raid Guard

The clearest difference is update cadence: Raid Guard at every 5 days against Tank Volume Calculator's every 10 months. Tank Volume Calculator's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

Tank Volume Calculator ships an update every 10 months, Raid Guard every 5 days. The most recent releases landed on October 24, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Tank Volume Calculator | Raid Guard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/tank-volume-calculator/id6727014725/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 25 MB | 42 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Bestami Oktay Akpinar](https://appshunter.io/developer/1771205471) | [AZIZ EMIR CINAK](https://appshunter.io/developer/6804833603) |

## What reviewers say

### Tank Volume Calculator

[App page](https://appshunter.io/ios/app/tank-volume-calculator/id6727014725)

Easily calculate the volume and liquid levels for a wide variety of tank shapes. Supports multiple units and offers offline functionality for convenient use in industries or for personal projects.

**Highlights:** Calculate volume for vertical, horizontal, conical, elliptical, rectangular, and aquarium tanks, Supports metric and imperial units (mm, cm, inches, feet, liters, gallons), Built-in volume converter, Save and track calculations, Offline functionality

**Features:** macOS Compatibility

**In-app purchases:** none


### Raid Guard

[App page](https://appshunter.io/ios/app/raid-guard/id6804833601)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tank Volume Calculator free?

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

### Is Raid Guard free?

Raid Guard is free to download, with no in-app purchases.

### Do Tank Volume Calculator or Raid Guard have ads?

Neither Tank Volume Calculator nor Raid Guard shows ads.

### Which is updated more often, Tank Volume Calculator or Raid Guard?

Tank Volume Calculator ships an update every 10 months, and Raid Guard every 5 days. Most recently, Tank Volume Calculator was updated on October 24, 2026 and Raid Guard on October 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.*