# Siar vs Hermes Saur

Siar and Hermes Saur are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Siar ships an update every 6 weeks, Hermes Saur every 2 months. The most recent releases landed on October 9, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Siar | Hermes Saur |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 37.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 14 MB | 45 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [TECNOLOGIAS Y SERVICIOS AGRARIOS SA SME MP](https://appshunter.io/developer/1456227300) | [Gestagua](https://appshunter.io/developer/1377587360) |

## What reviewers say

### Siar

[App page](https://appshunter.io/ios/app/siar/id1129186499)

This application helps farmers manage irrigation by calculating crop water needs and irrigation doses. It provides daily and weekly irrigation requirements, soil moisture status, and meteorological data. Users can personalize crop management by setting plot location, planting date, irrigation system, and soil type.

**Highlights:** Calculate crop water needs and irrigation doses, Daily and weekly irrigation requirements, Soil moisture status monitoring, Real-time meteorological data, Personalized crop management settings, 5-day weather forecast, Customizable notifications

**Features:** macOS Compatibility

**In-app purchases:** none


### Hermes Saur

[App page](https://appshunter.io/ios/app/hermes-saur/id6447063090)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Siar free?

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

### Is Hermes Saur free?

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

### Do Siar or Hermes Saur have ads?

Neither Siar nor Hermes Saur shows ads.

### Which is updated more often, Siar or Hermes Saur?

Siar ships an update every 6 weeks, and Hermes Saur every 2 months. Most recently, Siar was updated on October 9, 2026 and Hermes Saur on October 12, 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.*