# S vs AnesthoCalc

The clearest difference is price: S at Free against AnesthoCalc's $0.99. AnesthoCalc's advantage is iOS requirement (11.0 vs 13.0). On ads, in-app purchases and device support there is nothing between them.

S is free to download; AnesthoCalc costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | S | AnesthoCalc |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Size | 42 MB | 13 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Stanford University](https://appshunter.io/developer/292922032) | [Aleksandr Kurdiukov](https://appshunter.io/developer/1481477444) |

## What reviewers say

### S

[App page](https://appshunter.io/ios/app/s-smart/id1482338902)

**In-app purchases:** none


### AnesthoCalc

[App page](https://appshunter.io/ios/app/anesthocalc/id1510329417)

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

**In-app purchases:** none


## Frequently asked questions

### Is S free?

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

### Is AnesthoCalc free?

AnesthoCalc costs $0.99, with no in-app purchases.

### Do S or AnesthoCalc have ads?

Neither S nor AnesthoCalc shows ads.

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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.*