# Two Phase Separator Lite vs Tank Volume Calculators

The clearest difference is price: Two Phase Separator Lite at Free against Tank Volume Calculators's $3.99. Tank Volume Calculators's advantage is update cadence (every 4 months vs every 35 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Two Phase Separator Lite is free to download; Tank Volume Calculators costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Two Phase Separator Lite ships an update every 35 months, Tank Volume Calculators every 4 months. The most recent releases landed on October 9, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Two Phase Separator Lite | Tank Volume Calculators |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | — | **[2.3 (3 ratings)](https://appshunter.io/ios/app/tank-volume-calculators/id6477382115/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 35 months | **Every 4 months** |
| Monetization | — | Paid |
| Size | 27 MB | 28 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ali Pourahmadi Laleh](https://appshunter.io/developer/1218620381) | [Kantaben Gorasiya](https://appshunter.io/developer/1640260396) |

## What reviewers say

### Two Phase Separator Lite

[App page](https://appshunter.io/ios/app/two-phase-separator-lite/id1347623045)

**Features:** macOS Compatibility

**In-app purchases:** none


### Tank Volume Calculators

[App page](https://appshunter.io/ios/app/tank-volume-calculators/id6477382115)

Easily calculate the filled and half-filled volumes of various tank types. This app offers a comprehensive volume converter for numerous units and supports 15 different tank shapes for accurate estimations.

**Highlights:** Calculate filled and half-filled tank volumes, Supports 15 different tank types, Comprehensive volume converter, Converts between multiple units, Intuitive user interface, Rapid capacity calculations

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Two Phase Separator Lite free?

Two Phase Separator Lite is free to download, with no in-app purchases.

### Is Tank Volume Calculators free?

Tank Volume Calculators costs $3.99, with no in-app purchases.

### Do Two Phase Separator Lite or Tank Volume Calculators have ads?

Neither Two Phase Separator Lite nor Tank Volume Calculators shows ads.

### Which is updated more often, Two Phase Separator Lite or Tank Volume Calculators?

Two Phase Separator Lite ships an update every 35 months, and Tank Volume Calculators every 4 months. Most recently, Two Phase Separator Lite was updated on October 9, 2026 and Tank Volume Calculators 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.*