Typus vs blueMaster check
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Typus
Easily document your aquarium's measured water values and track events like new stocking or incidents. Visualize correlations between events and water quality through clear graphs. Manage dosages and multiple tank profiles.
- Track water quality with dashboard
- Set optimal parameter ranges
- Log various tank events
- Visualize events and values in graphs
- Document dosage and link to measurements
- Support for multiple units
- Create multiple tank profiles
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With Typus you can easily and quickly document your measured values. Typus provides you with a clear dashboard that allows you to keep track of your water quality at all times. The special feature of Typus? You can also enter events in your tank, for example new fish or coral stocking, but also incidents such as algae growth or the use of a new salt. This helps you to better understand and document the relationships in your aquarium. Typus also helps you to document your dosage of the individual elements, so that you can always keep an eye on everything concerning your water quality. Current features: - keep track of your water quality with our easy-to-read dashboard - set the optimal range for each parameter. Typus gives you a hint if a measured value is outside this range. - keep track of various events - display events and measured values in a clear graph and recognize new correlations - document your dosage and put it into a context with your measured values - choose the right unit for you, for example salinity or salt density - create multiple tank profiles for different aquariums In the future we will add more features to Typus, some of which will require a monthly subscription. But don't worry, the above features of Typus will always remain free! Do you have a problem with Typus? Then write us via the support form in the app. We will be happy to help you at any time. Do you have wishes for future features or just feedback? You can also let us know via the app. We are looking forward to your feedback! In addition to Typus, we are currently working hard on the development of the Coral Guardian, an automated measurement system for water analysis (KH, MG, CA, NO3, PO4). To learn more, visit us at https://www.korallenwaechter.com or follow us on Instagram: korallen_waechter and Facebook: Korallenwächter
blueMaster check
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The blueMaster check is designed as a control unit for tool connectors to check the internal wiring.
Screenshots
Verdict
Typus and blueMaster check are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly monthly. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.
| Parameter | Typus | blueMaster check |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Monthly | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.5 |
| Further details — not scored | ||
| Size | 54 MB | 46 MB |
| Age rating | 4+ | 4+ |
| Developer | Kowalytics UG (haftungsbeschrankt) | ESYS Gesellschaft fuer Elektronische Systemtechnik . Hard- und Software mbH |
In-app purchases
Typus
No in-app purchases
blueMaster check
No in-app purchases









