# Mars Hydro vs Vespera

The clearest difference is iOS requirement: Mars Hydro at 15.0 against Vespera's 18.6. 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.

## The numbers

| Metric | Mars Hydro | Vespera |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.6 (27 ratings)](https://appshunter.io/ios/app/mars-hydro/id6479227564/reviews)** | — |
| Number of ratings | **27** | — |
| Positive reviews | 23.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | Free | — |
| Size | 45 MB | 4 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [MARS TRADING RCC, INC.](https://appshunter.io/developer/1726858942) | [JACKSON SINCLAIR](https://appshunter.io/developer/1893882586) |

## What reviewers say

### Mars Hydro

[App page](https://appshunter.io/ios/app/mars-hydro/id6479227564)

Control your smart grow system with this app. Manage LED lights, ventilation, and monitor environmental data like CO2, temperature, and humidity for optimal plant growth. Automate your entire grow kit to mimic natural conditions.

**Highlights:** LED light control with timers and simulation, Ventilation system management, Complete grow kit automation via iHub, Environmental data monitoring (CO2, temp, humidity, PPFD), Sunrise and sunset simulation

**In-app purchases:** none


### Vespera

[App page](https://appshunter.io/ios/app/vespera-one/id6777947871)

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

**In-app purchases:** none


## Frequently asked questions

### Is Mars Hydro free?

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

### Is Vespera free?

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

### Do Mars Hydro or Vespera have ads?

Neither Mars Hydro nor Vespera shows ads.

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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.*