# HRMS LW vs Tank Volume Calculation

The clearest difference is in-app purchases: HRMS LW at none against Tank Volume Calculation's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Tank Volume Calculation sells 1 one-off in-app purchase. HRMS LW asks for nothing beyond the download.

## The numbers

| Metric | HRMS LW | Tank Volume Calculation |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (5 ratings)](https://appshunter.io/ios/app/tank-volume-calculation/id6740401902/reviews)** |
| Number of ratings | — | **5** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Monetization | — | Free with in-app purchases |
| Size | 40 MB | 65 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [TK Groups](https://appshunter.io/developer/1575494664) | [Ashvin Kevadiya](https://appshunter.io/developer/1756324971) |

## What reviewers say

### HRMS LW

[App page](https://appshunter.io/ios/app/hrms-lw/id6462841490)

**Features:** macOS Compatibility

**In-app purchases:** none


### Tank Volume Calculation

[App page](https://appshunter.io/ios/app/tank-volume-calculation/id6740401902)

Calculate the volume and weight of liquid in various tank shapes. Convert between units and save your results. Optimized for efficiency and ease of use.

**Highlights:** Volume calculations for various tank shapes, Liquid weight calculation with density, Built-in volume unit converter, Metric and imperial unit support, Save and share calculation results, Optimized for tablets and mobile

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime | $3.99 | one-time |


## Frequently asked questions

### Is HRMS LW free?

HRMS LW is free to download, with no in-app purchases.

### Is Tank Volume Calculation free?

Tank Volume Calculation is free to download, with in-app purchases available.

### Do HRMS LW or Tank Volume Calculation have ads?

Neither HRMS LW nor Tank Volume Calculation 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.*