# USCalculation vs SiteKitto

The clearest difference is in-app purchases: USCalculation at none against SiteKitto's 2. SiteKitto's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SiteKitto sells 2 in-app purchases, starting at $5.99 per month. USCalculation asks for nothing beyond the download.

USCalculation ships an update every 2 months, SiteKitto every 3 weeks. The most recent releases landed on October 4, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | USCalculation | SiteKitto |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 18 MB | 56 MB |
| Requires iOS | **14.2** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [tsuyoshi saito](https://appshunter.io/developer/1530882113) | [Sun Kwan Kim](https://appshunter.io/developer/1886591971) |

## What reviewers say

### USCalculation

[App page](https://appshunter.io/ios/app/uscalculation/id1530891519)

**Features:** macOS Compatibility

**In-app purchases:** none


### SiteKitto

[App page](https://appshunter.io/ios/app/sitekitto/id6760871595)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Plan(Monthly) | $5.99 | per month |
| Pro Plan(Yearly) | $59.99 | per year |


## Frequently asked questions

### Is USCalculation free?

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

### Is SiteKitto free?

SiteKitto is free to download, with in-app purchases available.

### Do USCalculation or SiteKitto have ads?

Neither USCalculation nor SiteKitto shows ads.

### Which is updated more often, USCalculation or SiteKitto?

USCalculation ships an update every 2 months, and SiteKitto every 3 weeks. Most recently, USCalculation was updated on October 4, 2026 and SiteKitto on October 9, 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.*