Comparison

Tank Volume Calculation vs Total Keys

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

Head to head
About

Tank Volume Calculation

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
Read full description

The Tank Volume Calculator is a user-friendly app designed for quick and accurate tank volume calculations. It also allows you to determine the liquid volume inside a tank and, with the liquid's density, calculate its weight effortlessly. With its intuitive interface, the app minimizes clicks and maximizes efficiency, saving your preferences for future use. Key features include: - Versatile Volume Calculations: Supports vertical, horizontal, rectangular, and ecliptic tanks, as well as tanks with conical, flat, torispherical, elliptical, or hemispherical bottoms. - Built-in Volume Converter: Easily convert between units like cubic meters, liters, imperial gallons, U.S. gallons, and barrels (BBL). - Comprehensive Unit Support: Choose between metric and imperial systems for seamless calculations. Additional Features: - Lightweight design with minimal storage requirements. - No background processes for optimized performance. - Save or share your results effortlessly. - Optimised for tablets and mobile devices. Note: This calculator is intended as an estimation tool. Experience quick and accurate results with the Tank Volume Calculator—perfect for professionals and enthusiasts alike. In-app purchase Details: Lifetime Subscription : 12.99$ Privacy Policy : https://applicationcontent.wordpress.com/privacy-policy/ Terms of use : https://applicationcontent.wordpress.com/terms-of-use/

About

Total Keys

Features
Read full description

Total Keys is a powerful keyboard designed for students, engineers, scientists, language learners, and anyone who types beyond ordinary text. Go beyond a standard keyboard with built-in tools for mathematical expressions, chemical formulas, special symbols, and productivity features that help you write faster and more accurately in any app. FEATURES • Math Calculation While Typing Type mathematical expressions and instantly calculate results without leaving your current app. • Scientific Super & Subscript Typing Write chemical formulas, mathematical notation, units, exponents, and scientific expressions with ease. • Greek, IPA, Math & Special Symbols Quick access to hundreds of commonly used symbols for science, engineering, linguistics, and technical writing. These symbols are capable added easily in Customize tab by Unicode HEX. • Clipboard History Store and reuse multiple copied items with convenient clipboard history access. • Cursor Control & Productivity Tools Move the cursor efficiently and edit text with greater precision. • Multiple Keyboard Themes Personalize your typing experience with additional keyboard themes and styles. • Lightweight & Fast Designed for smooth performance and responsive typing. PREMIUM PACK Unlock unlimited access to: • Math calculations • Clipboard history • Special symbols • Super/subscript typing • Premium keyboard themes Whether you're writing equations, chemical formulas, technical documents, academic notes, or multilingual content, Total Keys gives you the tools that standard keyboards don't provide.

Screenshots

Tank Volume Calculation4 screens
Total Keys4 screens

Verdict

The call

The clearest difference is device support: Tank Volume Calculation at 3 against Total Keys's 1. Tank Volume Calculation also leads on iOS requirement (12.0 vs 18). On price, ads and in-app purchases 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. Tank Volume Calculation sells 1 one-off in-app purchase and Total Keys sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Scorecard2 real differences · 6 level
Tank Volume Calculation versus Total Keys: the parameters behind the verdict, then further details
ParameterTank Volume CalculationTotal Keys
PriceFreeFree
Rating4.0 (5 ratings) — better—
Number of ratings5 — better—
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS12.0 — better18
Further details — not scored
Size65 MB11 MB
Age rating4+4+
DeveloperAshvin KevadiyaNghia Huynh Quang

In-app purchases

1 purchases

Tank Volume Calculation

One-time1
  • Lifetime$3.99
1 purchases

Total Keys

One-time1
  • Premium Pack$2.99

Questions

Is Tank Volume Calculation free?
Tank Volume Calculation is free to download, with in-app purchases available.
Is Total Keys free?
Total Keys is free to download, with in-app purchases available.
Do Tank Volume Calculation or Total Keys have ads?
Neither Tank Volume Calculation nor Total Keys shows ads.

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