# Calcolo Iva vs SR

The clearest difference is update cadence: Calcolo Iva at every 2 weeks against SR's every 19 months. SR's advantage is iOS requirement (12.0 vs 17.0). 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.

Calcolo Iva ships an update every 2 weeks, SR every 19 months. The most recent releases landed on November 1, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Calcolo Iva | SR |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 19 months |
| Size | 2 MB | 28 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Studio 09 di Stefano Grieco & C. S.N.C.](https://appshunter.io/developer/502867478) | [Domenico Ruocco](https://appshunter.io/developer/1588866517) |

## What reviewers say

### Calcolo Iva

[App page](https://appshunter.io/ios/app/calcolo-iva/id598632127)

**Features:** macOS Compatibility

**In-app purchases:** none


### SR

[App page](https://appshunter.io/ios/app/sr-group/id1588866275)

**In-app purchases:** none


## Frequently asked questions

### Is Calcolo Iva free?

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

### Is SR free?

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

### Do Calcolo Iva or SR have ads?

Neither Calcolo Iva nor SR shows ads.

### Which is updated more often, Calcolo Iva or SR?

Calcolo Iva ships an update every 2 weeks, and SR every 19 months. Most recently, Calcolo Iva was updated on November 1, 2026 and SR on September 21, 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.*