TauOpen vs Diversity Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TauOpen
Control and monitor your home automations like gates and garage doors remotely. Open, close, or stop them in real-time and check their status from anywhere. Get remote assistance for troubleshooting automations.
- Remote gate control
- Garage door monitoring
- Real-time status updates
- Remote automation assistance
- Smartphone control
Read full descriptionHide full description
Tau Open is TAU’s new application for smartphones. It allows you to control and monitor your automations provided with the T-Home module such as the gate, the garage door and the barrier at a touch. Through the internet connection, the user will be able to open/close/stop the automation in real time and check whether the gate is open or closed. With Tau Open, forgetting the remote control at home won’t be a problem anymore. Furthermore, if you are waiting for the gardener to do some landscaping at home and you need to go out,, no matter where you are, you will only have to use your smartphone to control your gate! Through TauOpen, the installer can ask for remote assistance on the automation to TAU’s technical department, in order to understand the reasons of a possible malfunction. For a proper operation, the T-Home module must be installed on the automation and set up with the home Wi-fi. In case of long distance, it is possible to use any range extender available on the market.
Diversity Calculator
Read full descriptionHide full description
Calculate the maximum demand, total full load and apply diversity. Enter your load values in Amps, Watts or kW, for three phase also select the phase for which the load applies to: L1, L2, L3 or L123. Calculation Reults: - Total Full Load - DL 1 (osg)= Calculates diversity based on the OSG. - DL 1 (custom) = Set your own diversity factor. - DL 2 = Applies the rule of thumb method. - DL 3 = Apply a usage factor to DL 1 (OSG). Other Features: - Custom Circuit: You can enter your own diversity factor and circuit description for "custom circuits". - Edit the default PF (power factor) value for applicable three phase circuits. - Print all results. How to calculate single phase diversity: 1) Select the distribution board type (Single Phase, Three Phase). 2) Select the type of premises. 3) Select the description of circuit / load. 4) Enter the load value (kW, Watts, Amps). 5) Add Load How to calculate three phase diversity: 1) As above but with the additional options to select phase, L1, L2 L3 or L123. A single phase (230v) and three phase (400v) diversity calculator. When adding multiple loads of the same type i.e. Cookers, socket-outlets etc. always enter the biggest load first, then the second largest load and then finally the remainder of the loads. This diversity calculator ( = DL 1 (osg) ) is based on the 18th edition On-Site Guide. The diversity calculations results with 3 results based on 3 different methods on applying and calculating diversity.
Screenshots
Verdict
The clearest difference is price: TauOpen at Free against Diversity Calculator's $9.99. TauOpen also leads on update cadence (every 3 months vs every 6 months). On ads, in-app purchases, device support and iOS requirement 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
TauOpen is free to download; Diversity Calculator costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.
TauOpen ships an update every 3 months, Diversity Calculator every 6 months. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.
| Parameter | TauOpen | Diversity Calculator |
|---|---|---|
| Price | Free — better | $9.99 |
| Rating | 1.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 months — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.2 | 11.0 — better |
| Further details — not scored | ||
| Size | 26 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | TAU s.r.l. | Pro Certs Software Ltd |
In-app purchases
TauOpen
No in-app purchases
Diversity Calculator
No in-app purchases
Questions
Is TauOpen free?
Is Diversity Calculator free?
Do TauOpen or Diversity Calculator have ads?
Which is updated more often, TauOpen or Diversity Calculator?
Other comparisons















