Best apps like Fish Tank Buddy

10+ similar apps compared and reviewed

4.7 avg rating
5 free apps
Updated July 2026

Whether you want more options like Fish Tank Buddy or a completely different take on the same concept, our curated list of 10+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.

Top Alternatives to Fish Tank Buddy

Aquarium Calculator Plus#1

Aquarium Calculator Plus by Heng Jia Liang

All u need for ur aquarium
Editor's Choice
πŸ”§ Utilities
5.0(1 ratings)
$2.99
Aquarium Calculator Plus screenshot 1
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Easily calculate aquarium water volume, surface area, and substrate needs for various tank shapes. It also recommends appropriate fish stocking levels and pump sizes for optimal water flow and aquarium health.

Gas Pipe Sizing Calculator#2

Gas Pipe Sizing Calculator by Connor Kelley

Strong Contender
πŸ”§ Utilities
4.0(4 ratings)
$1.99
Gas Pipe Sizing Calculator screenshot 1

This utility app simplifies gas pipe sizing by performing calculations based on BTU load, run length, and gas type. It eliminates the need for manual chart and codebook referencing, providing the minimum required pipe size quickly.

Tank Volume Calculator Pro#3

Tank Volume Calculator Pro by Imran Pinjara

Worth Considering
πŸ”§ Utilities
0.0(0 ratings)
$3.99
Tank Volume Calculator Pro screenshot 1
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Calculate the partial and full volume of horizontal and vertical tanks with various head types. This tool is essential for engineers to determine liquid volumes at any height, simplifying calculations for storage tanks and pressure vessels.

More apps like Fish Tank Buddy

4
FermCalc Winemaking Calculator
FermCalc Winemaking Calculator
FermCalc Winemaking Calculator
by Stephen Gross
Free

This app offers a comprehensive suite of advanced calculators for winemaking. It assists with unit conversions, adjustments for sugar, acidity, and sulfites, and estimations for alcohol content and blending. Designed for both beginners and professionals, it provides flexible input and output units for all calculations.

Unit conversions (volume, mass, temperature, etc.)Chaptalization & dilution calculationsAcidity adjustment tools
πŸ”§ Utilities
(4)
free
5
Nozzle Orientation Marker
Nozzle Orientation Marker
Nozzle Orientation Marker
by Imran Pinjara
$1.99
πŸ”§ Utilities
(0)
6
Mulch Calculator - Landscape
Mulch Calculator - Landscape
Mulch Calculator - Landscape
Cubic yard, feet, inch & more
Free

Easily calculate the amount of mulch needed for your garden projects. This tool helps determine the total cost and the number of bags required, supporting various measurement units for your convenience.

Calculate mulch volumeDetermine bag quantityCalculate total cost
πŸ”§ Utilities
(99)
free with in-app purchases
7
Concrete Calculator Elite
Concrete Calculator Elite
Concrete Calculator Elite
Cement Calculator Masonry
$6.99

This app simplifies concrete calculations for various shapes like slabs and columns. It helps reduce waste, improve accuracy, and efficiently determine the number of pre-mix bags needed for your project, supporting multiple units of measurement.

Rectangular and round slab calculationsConcrete post volume calculationsSupport for feet, inches, meters, cm, mm
πŸ”§ Utilities
(116)
paid
8
Paint Calculator - Estimator
Paint Calculator - Estimator
Paint Calculator - Estimator
Calculate the amount of paint
Free

Easily estimate the amount of paint and man-hours required for any room. Input room dimensions and subtract openings like doors and windows for an accurate calculation. Adjust for multiple coats to finalize your project needs.

Calculate paint volumeEstimate man-hoursSubtract window and door areas
πŸ”§ Utilities
(154)
free with in-app purchases
9
Water Distribution Calculator
Water Distribution Calculator
Water Distribution Calculator
Water Formula
Free

This tool simplifies water management by calculating water horsepower, brake horsepower, cost analysis, and motor horsepower. It offers instant, accurate results for field use, helping operators streamline workflows and make informed decisions.

Calculate water horsepowerCalculate brake horsepowerPerform cost analysis
πŸ”§ Utilities
(1)
free
10
WetMath: Aquarium Calculator
WetMath: Aquarium Calculator
WetMath: Aquarium Calculator
Aquarium Tools & Conversions
Free
πŸ”§ Utilities
(0)