# iGian vs DORA Smart

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.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

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.

## The numbers

| Metric | iGian | DORA Smart |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 9 months |
| Monetization | Free | — |
| Size | 2 MB | 189 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gian Vitale Da Rin Vidal](https://appshunter.io/developer/531182825) | [Ferroli S.p.A.](https://appshunter.io/developer/1465087185) |

## What reviewers say

### iGian

[App page](https://appshunter.io/ios/app/igian/id788293075)

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:** macOS Compatibility

**In-app purchases:** none


### DORA Smart

[App page](https://appshunter.io/ios/app/dora-smart/id1491176256)

**In-app purchases:** none


## Frequently asked 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.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*