Comparison

TauOpen vs Diversity Calculator

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

Head to head
About

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.

Highlights
  • Remote gate control
  • Garage door monitoring
  • Real-time status updates
  • Remote automation assistance
  • Smartphone control
Features
Read 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.

About

Diversity Calculator

Features
Read 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

TauOpen4 screens
Diversity Calculator4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 7 level
TauOpen versus Diversity Calculator: the parameters behind the verdict, then further details
ParameterTauOpenDiversity Calculator
PriceFree — better$9.99
Rating1.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 3 months — betterEvery 6 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.211.0 — better
Further details — not scored
Size26 MB2 MB
Age rating4+4+
DeveloperTAU s.r.l.Pro Certs Software Ltd

In-app purchases

None

TauOpen

No in-app purchases

None

Diversity Calculator

No in-app purchases

Questions

Is TauOpen free?
TauOpen is free to download, with no in-app purchases.
Is Diversity Calculator free?
Diversity Calculator costs $9.99, with no in-app purchases.
Do TauOpen or Diversity Calculator have ads?
Neither TauOpen nor Diversity Calculator shows ads.
Which is updated more often, TauOpen or Diversity Calculator?
TauOpen ships an update every 3 months, and Diversity Calculator every 6 months. Most recently, TauOpen was updated on October 29, 2026 and Diversity Calculator on October 30, 2026.

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