Comparison

DDadmin vs Tank Volume Calculator

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

DDadmin

Features
Read full description

DDadmin provides the following functions for the property manager to manage their community more convenient: - Answer Call - Unlock remote - Manage doors & gates - Check unlock events and playback ……

About

Tank Volume Calculator

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
Read full description

Tank Volume Calculator, Your go-to app for anyone needing quick and accurate volume calculations! Whether you're managing industrial tanks, measuring liquid volumes, or calculating the size of your home aquarium, this app makes it easy. From agriculture to transportation, and from water management to aquarium enthusiasts, this app supports a wide range of tank types, including vertical, horizontal, rectangular, conical, elliptical, and aquarium tanks. Key Features: • Calculate the volume of various tank types: vertical, horizontal, conical, elliptical, rectangular, and aquarium tanks. • Supports all units: mm, cm, inches, feet, liters, gallons (US & UK). • Built-in volume converter for metric and imperial (mm, cm, inches, feet, liters, gallons, etc.) • Track and save your calculations for future use. • No internet connection needed - use it anytime, anywhere. Ideal for professionals in industries such as agriculture, oil & gas, water management, transportation, and aquarium enthusiasts. Get started today - whether you're managing fuel tanks, oil storage, or ensuring the right water level for your fish tank, Tank Volume Calculator makes the job simple and efficient.

Screenshots

DDadmin3 screens
Tank Volume Calculator4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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.

Scorecard1 real difference · 9 level
DDadmin versus Tank Volume Calculator: the parameters behind the verdict, then further details
ParameterDDadminTank Volume Calculator
PriceFreeFree
Rating—1.0 (1 ratings) — better
Positive reviews—75.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 3 months — betterEvery 10 months
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size82 MB25 MB
Age rating4+4+
DeveloperLangtao Digital Co., Ltd.Bestami Oktay Akpinar

In-app purchases

None

DDadmin

No in-app purchases

None

Tank Volume Calculator

No in-app purchases

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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