Comparison

AquaCalculator vs Bluetosec Controller New

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

Head to head
About

AquaCalculator

This app helps dedicated marine aquarists manage and document their aquariums. It tracks water parameters, manages animal stock, and calculates precise salt and nutrient additions. It also offers tools for adjusting calcium, alkalinity, and magnesium levels.

Highlights
  • Manage multiple aquariums
  • Water value documentation with graphs and tables
  • Animal administration with notes and pictures
  • Recurrent memory for care tasks
  • Salt quantity estimation
  • Nutrient and chemical adjustment calculators
  • Extensive setting options
Features
Read full description

The reference software for dedicated marine aquarists The AquaCalculator is not free. In order to be able to use the AquaCalculator permanently, you must complete a paid subscription after two weeks. In the first two weeks, the AquaCalculator can be tested for free and the subscription can be stopped at any time before it is chargeable. The app for documentation and management of your aquarium. The main focus is on saltwater aquariums but also their freshwater pools can of course be documented with the AquaCalculator. With the AquaCalculator you have the suitable manager at your fingertips to keep an eye on all important parameters regarding the care of your aquarium. A big request: unfortunately we can not respond to reviews. If you have problems with the app, please contact us via email shortly (Support). So far we could clarify every question :-) The reference software for every dedicated marine aquarist: - Manage several basins in parallel - Documentation of the water values ​​in graph and table form per pool. You can document your water readings, take notes or deposit pictures. The pictures can also be commented on. - Animal Administration. You can also assign notes and pictures to your animals in the basin and thus get a quicker overview of the development of their stock. - Dates: Management of recurrent memories help to keep track of the care of aquariums - Realistic estimation of the required salt quantity of commercially available sea salt mixtures. How much salt is actually needed to "adjust the salt content" or for the next "water change"? AquaCalculator calculates this using self-determined measurements of almost all commercially available sea salt mixtures. - Addition of nutrients (nitrate and phosphate) - Calculator to adjust calcium / alkalinity / magnesium: Expensive special agents are passé. AquaCalculator calculates the exact dosing quantities and stock solutions required for the adjustment of calcium, alkalinity (KH) and Mg concentration of low-cost salts. Supports recipes from Aquafair, Aquaforest, Coral-Care, Fauna Marin, MT Aquaristics, Nyos, H.W. Balling, Price Aquaristics, A.Glaser, Red Sea, Sangokai, Tropic Marin, Fritz ProAquatics, Two Little Fishies, Kent Marine, Seachem, Brightwell, Continuum Aquatics, ESV and Self-Defined. - Extensive setting options for the measuring instruments used, as well as the chem. Recipes. - Mini-FAQ: answers the most important questions about adjusting the water values ​​and thus the successful care of reef aquariums. Including ten thousand times downloaded seawater FAQs by Martin Kuhn (Water Parameter FAQ, Anemone FAQ, Plague Master FAQs 1 and 2) NOTE: We have provided iBooks from Apple for viewing the Seawater FAQs. The ad must have iBooks or another PDF viewing app installed on your device. To use the AquaCalculator you must have a valid subscription. This will enable you to take full advantage of the Aquacalculator, benefit from regular updates and enhancements, secure data storage and synchronization of your data with other devices. Without a valid subscription, you can only read but not modify your data. The term is one year. Payment will be made through your iTunes account. The subscription will automatically renew if it is not canceled 24 hours before the end of the current period. Within 24 hours before the end of the current period, the amount for the renewal will be charged. Termination of automatic renewal is possible at any time. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Terms of Use and Privacy: https://acalc.de/pages/impressum

About

Bluetosec Controller New

Features
Read full description

Der Bluetosec Controller bietet Ihnen den Fernzugriff auf Ihre Bluetosec Alarmtab Alarmzentrale. Es ermöglicht Ihnen das Aktivieren und Deaktivieren des aktuellen Status und das Ändern vieler Einstellungen ihres Alarmtab Alarmsystems. Das Bluetosec Online-Portal, das Sie mit jedem Webbrowser unter bluetosec-online.com besuchen und verwenden können, bietet Ihnen eine alternative Möglichkeit Ihre Bluetosec Alarmtab Alarmzentrale zu steuern.

Screenshots

AquaCalculator4 screens
Bluetosec Controller New3 screens

Verdict

The call

The clearest difference is in-app purchases: Bluetosec Controller New at none against AquaCalculator's 5. Bluetosec Controller New also leads on iOS requirement (15.0 vs 18.6). AquaCalculator's advantage is update cadence (every 3 weeks vs every 27 months). On price, ads 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. AquaCalculator sells 5 in-app purchases, starting at $3.99 per month. Bluetosec Controller New asks for nothing beyond the download.

UpkeepUpdate frequency

AquaCalculator ships an update every 3 weeks, Bluetosec Controller New every 27 months. The most recent releases landed on November 2, 2026 and October 25, 2026 respectively.

Scorecard3 real differences · 7 level
AquaCalculator versus Bluetosec Controller New: the parameters behind the verdict, then further details
ParameterAquaCalculatorBluetosec Controller New
PriceFreeFree
Rating3.7 (12 ratings) — better—
Positive reviews66.7% of reviews—
Number of ratings12 — better—
Update frequencyEvery 3 weeks — betterEvery 27 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscription—
DevicesiPhone, iPad, Mac, Vision Pro — betteriPhone, iPad, iPod
Requires iOS18.615.0 — better
Further details — not scored
Size49 MB1 MB
Age rating4+4+
DeveloperThallosAMG Sicherheitstechnik

In-app purchases

5 purchases

AquaCalculator

Subscriptions2
  • AquaCalculator monthly3 Days trial$3.991 Month
  • AquaCalculator yearly14 Days trial$19.991 Year
One-time3
  • A large coffee$3.99
  • Ice Tead and a Sandwich$9.99
  • Something to learn$39.99
None

Bluetosec Controller New

No in-app purchases

Questions

Is AquaCalculator free?
AquaCalculator is free to download, with in-app purchases available.
Is Bluetosec Controller New free?
Bluetosec Controller New is free to download, with no in-app purchases.
Do AquaCalculator or Bluetosec Controller New have ads?
Neither AquaCalculator nor Bluetosec Controller New shows ads.
Which is updated more often, AquaCalculator or Bluetosec Controller New?
AquaCalculator ships an update every 3 weeks, and Bluetosec Controller New every 27 months. Most recently, AquaCalculator was updated on November 2, 2026 and Bluetosec Controller New on October 25, 2026.

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