# SysAmbiental vs SelvaApp

The clearest difference is update cadence: SysAmbiental at every 5 months against SelvaApp's every 11 months. SysAmbiental also leads on iOS requirement (13.0 vs 15.1). 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.

SysAmbiental ships an update every 5 months, SelvaApp every 11 months. The most recent releases landed on October 5, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | SysAmbiental | SelvaApp |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 60.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 11 months |
| Monetization | — | Free |
| Size | 60 MB | 40 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [System - Desenvolvimento de Software Ltda.](https://appshunter.io/developer/1520705514) | [Rodrigo Augusto Ferreira de Souza](https://appshunter.io/developer/1718475996) |

## What reviewers say

### SysAmbiental

[App page](https://appshunter.io/ios/app/sysambiental/id1639871317)

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

**In-app purchases:** none


### SelvaApp

[App page](https://appshunter.io/ios/app/selvaapp/id6473133697)

Access real-time and historical environmental data for air quality, wildfires, and storms across the Amazon, Brazil, and South America. Receive custom alerts based on your monitored sensors and areas. Plan outdoor activities with 7-day forecasts and health recommendations.

**Highlights:** Real-time air quality data, Wildfire and storm occurrence, 7-day weather forecasts, Customizable alerts, Health recommendations, Historical data visualization

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SysAmbiental free?

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

### Is SelvaApp free?

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

### Do SysAmbiental or SelvaApp have ads?

Neither SysAmbiental nor SelvaApp shows ads.

### Which is updated more often, SysAmbiental or SelvaApp?

SysAmbiental ships an update every 5 months, and SelvaApp every 11 months. Most recently, SysAmbiental was updated on October 5, 2026 and SelvaApp on October 3, 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.*