Comparison

iGian vs DORA Smart

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

Head to head

About

iGian

A straightforward calculator employing Reverse Polish Notation (RPN) for efficient calculations. It offers a simple interface for users who prefer this input method. Ideal for quick mathematical operations without complex menus.

Highlights

Reverse Polish Notation (RPN) input
Simple and intuitive interface
Efficient calculation method
Designed for quick operations

Features

Read full description

Semplice calcolatrice RPN

About

DORA Smart

Read full description

DORA Smart is the unique app that allow you to control, simply through your smartphone, your DORA series heat pump water heater and SLIM DUO series electric water heater. For example, you can: - turn on and switch off the water heater; - set the operative mode; - know and adjust the domestic hot water temperature inside the water heater; - read the fault codes in the event of water heater malfunctions. So, enjoy your smart life!

Screenshots

iGian1 screens

DORA Smart4 screens

Verdict

The call

The clearest difference is update cadence: iGian at every 3 months against DORA Smart's every 9 months. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

iGian ships an update every 3 months, DORA Smart every 9 months. The most recent releases landed on June 1, 2026 and September 16, 2026 respectively.

Scorecard1 real difference · 7 level

iGian versus DORA Smart: the parameters behind the verdict, then further details
Parameter	iGian	DORA Smart
Price	Free	Free
Positive reviews	0.0% of reviews	—
Update frequency	Every 3 months — better	Every 9 months
Ads	No	No
In-app purchases	No	No
Monetization	Free	—
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	12.0	11.0 — better
Further details — not scored
Size	2 MB	189 MB
Age rating	4+	4+
Developer	Gian Vitale Da Rin Vidal	Ferroli S.p.A.

In-app purchases

None

iGian

No in-app purchases

None

DORA Smart

No in-app purchases

Questions

Is iGian free?

iGian is free to download, with no in-app purchases.

Is DORA Smart free?

DORA Smart is free to download, with no in-app purchases.

Do iGian or DORA Smart have ads?

Neither iGian nor DORA Smart shows ads.

Which is updated more often, iGian or DORA Smart?

iGian ships an update every 3 months, and DORA Smart every 9 months. Most recently, iGian was updated on June 1, 2026 and DORA Smart on September 16, 2026.