# SIMGOT Control vs Hydro Calcs

The clearest difference is iOS requirement: SIMGOT Control at 15.6 against Hydro Calcs's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

SIMGOT Control ships an update every 3 days, Hydro Calcs every 5 days. The most recent releases landed on October 28, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | SIMGOT Control | Hydro Calcs |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 5 days |
| Size | 32 MB | 2 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [深圳市兴戈科技有限公司](https://appshunter.io/developer/1723049141) | [Milbar](https://appshunter.io/developer/1579581418) |

## What reviewers say

### SIMGOT Control

[App page](https://appshunter.io/ios/app/simgot-control/id6749296704)

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

**In-app purchases:** none


### Hydro Calcs

[App page](https://appshunter.io/ios/app/hydro-calcs/id6817881146)

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

**In-app purchases:** none


## Frequently asked questions

### Is SIMGOT Control free?

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

### Is Hydro Calcs free?

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

### Do SIMGOT Control or Hydro Calcs have ads?

Neither SIMGOT Control nor Hydro Calcs shows ads.

### Which is updated more often, SIMGOT Control or Hydro Calcs?

SIMGOT Control ships an update every 3 days, and Hydro Calcs every 5 days. Most recently, SIMGOT Control was updated on October 28, 2026 and Hydro Calcs on October 8, 2026.

---

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