# ACMarm. vs GURINET GSI

The clearest difference is update cadence: GURINET GSI at every 3 weeks against ACMarm.'s every 3 months. ACMarm.'s advantage is iOS requirement (14.0 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.

ACMarm. ships an update every 3 months, GURINET GSI every 3 weeks. The most recent releases landed on October 15, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | ACMarm. | GURINET GSI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 87 MB | 81 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Genivaldo Sousa Marques](https://appshunter.io/developer/1867016732) | [Sandro Gleidson de Oliveira](https://appshunter.io/developer/1299486488) |

## What reviewers say

### ACMarm.

[App page](https://appshunter.io/ios/app/acmarm/id6778048754)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### GURINET GSI

[App page](https://appshunter.io/ios/app/gurinet-gsi/id6811044974)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ACMarm. free?

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

### Is GURINET GSI free?

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

### Do ACMarm. or GURINET GSI have ads?

Neither ACMarm. nor GURINET GSI shows ads.

### Which is updated more often, ACMarm. or GURINET GSI?

ACMarm. ships an update every 3 months, and GURINET GSI every 3 weeks. Most recently, ACMarm. was updated on October 15, 2026 and GURINET GSI on October 5, 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.*