# SIMI HD vs SIMARINE

The clearest difference is iOS requirement: SIMI HD at 7.0 against SIMARINE's 12.2. 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.

SIMI HD ships an update monthly, SIMARINE every 3 weeks. The most recent releases landed on September 27, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | SIMI HD | SIMARINE |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 8.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 77 MB | 120 MB |
| Requires iOS | **7.0** | 12.2 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [ShanTou City Vison Electronictechnology Co., Ltd.](https://appshunter.io/developer/1388222999) | [SIMARINE](https://appshunter.io/developer/1217159038) |

## What reviewers say

### SIMI HD

[App page](https://appshunter.io/ios/app/simi-hd/id1226976818)

**Features:** macOS Compatibility

**In-app purchases:** none


### SIMARINE

[App page](https://appshunter.io/ios/app/simarine/id1587666762)

Monitor your boat's power consumption and tank levels with this application. Adjust settings and update your hardware remotely for seamless vessel management.

**Highlights:** Monitor power usage, Monitor tank levels, Adjust settings, Update hardware

**In-app purchases:** none


## Frequently asked questions

### Is SIMI HD free?

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

### Is SIMARINE free?

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

### Do SIMI HD or SIMARINE have ads?

Neither SIMI HD nor SIMARINE shows ads.

### Which is updated more often, SIMI HD or SIMARINE?

SIMI HD ships an update monthly, and SIMARINE every 3 weeks. Most recently, SIMI HD was updated on September 27, 2026 and SIMARINE on October 17, 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.*