# SANlight vs Mars Hydro

The clearest difference is update cadence: Mars Hydro at monthly against SANlight's every 6 months. 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.

SANlight ships an update every 6 months, Mars Hydro monthly. The most recent releases landed on October 9, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | SANlight | Mars Hydro |
| --- | --- | --- |
| 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 | Every 6 months | **Monthly** |
| Monetization | — | Free |
| Size | 32 MB | 45 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Martin Anker](https://appshunter.io/developer/1658513710) | [MARS TRADING RCC, INC.](https://appshunter.io/developer/1726858942) |

## What reviewers say

### SANlight

[App page](https://appshunter.io/ios/app/sanlight/id1658513708)

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is SANlight free?

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

### Is Mars Hydro free?

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

### Do SANlight or Mars Hydro have ads?

Neither SANlight nor Mars Hydro shows ads.

### Which is updated more often, SANlight or Mars Hydro?

SANlight ships an update every 6 months, and Mars Hydro monthly. Most recently, SANlight was updated on October 9, 2026 and Mars Hydro on October 13, 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.*