# DDadmin vs Tank Volume Calculator

The clearest difference is update cadence: DDadmin at every 3 months against Tank Volume Calculator's every 10 months. 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.

DDadmin ships an update every 3 months, Tank Volume Calculator every 10 months. The most recent releases landed on October 15, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | DDadmin | Tank Volume Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/tank-volume-calculator/id6727014725/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 10 months |
| Monetization | — | Free |
| Size | 82 MB | 25 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Langtao Digital Co., Ltd.](https://appshunter.io/developer/1465690696) | [Bestami Oktay Akpinar](https://appshunter.io/developer/1771205471) |

## What reviewers say

### DDadmin

[App page](https://appshunter.io/ios/app/ddadmin/id6451483027)

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

**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 DDadmin free?

DDadmin 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 DDadmin or Tank Volume Calculator have ads?

Neither DDadmin nor Tank Volume Calculator shows ads.

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

DDadmin ships an update every 3 months, and Tank Volume Calculator every 10 months. Most recently, DDadmin was updated on October 15, 2026 and Tank Volume Calculator on September 20, 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.*