# pileDLT vs Tank Volume Calculator

The clearest difference is update cadence: pileDLT at every 3 weeks against Tank Volume Calculator's every 10 months. Tank Volume Calculator's advantage is iOS requirement (15.0 vs 17.0). On price, ads, 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.

pileDLT ships an update every 3 weeks, Tank Volume Calculator every 10 months. Both last shipped on November 4, 2026.

## The numbers

| Metric | pileDLT | Tank Volume Calculator |
| --- | --- | --- |
| 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 3 weeks** | Every 10 months |
| Monetization | — | Free |
| Size | 95 MB | 25 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Elmar Wisotzki](https://appshunter.io/developer/1750216563) | [Bestami Oktay Akpinar](https://appshunter.io/developer/1771205471) |

## What reviewers say

### pileDLT

[App page](https://appshunter.io/ios/app/piledlt/id6503872310)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is pileDLT free?

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

### Is Tank Volume Calculator free?

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

### Do pileDLT or Tank Volume Calculator have ads?

Neither pileDLT nor Tank Volume Calculator shows ads.

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

pileDLT ships an update every 3 weeks, and Tank Volume Calculator every 10 months. Most recently, pileDLT was updated on November 4, 2026 and Tank Volume Calculator on November 4, 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.*