# Fluidd vs Sentinel

The clearest difference is update cadence: Sentinel at weekly against Fluidd's every 6 months. Fluidd's advantage is iOS requirement (10.0 vs 17). 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.

Fluidd ships an update every 6 months, Sentinel weekly. The most recent releases landed on September 29, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Fluidd | Sentinel |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/fluidd/id1672729640/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Weekly** |
| Monetization | Free | — |
| Size | 44 MB | 9 MB |
| Requires iOS | **10.0** | 17 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Fluidd Technology (AU) Pty Ltd](https://appshunter.io/developer/1672729642) | [Guangdong Greenway Technology Co.,LTD](https://appshunter.io/developer/1802601217) |

## What reviewers say

### Fluidd

[App page](https://appshunter.io/ios/app/fluidd/id1672729640)

Enhance your indoor gardening with intelligent sensors and devices that provide real-time monitoring and automated environmental controls. Optimize lighting, temperature, and humidity for optimal plant growth.

**Highlights:** Real-time garden monitoring, Automated environmental controls, Adjustable lighting, Temperature control, Humidity level alteration

**Features:** macOS Compatibility

**In-app purchases:** none


### Sentinel

[App page](https://appshunter.io/ios/app/sentinel-lnx/id6757156713)

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

**In-app purchases:** none


## Frequently asked questions

### Is Fluidd free?

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

### Is Sentinel free?

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

### Do Fluidd or Sentinel have ads?

Neither Fluidd nor Sentinel shows ads.

### Which is updated more often, Fluidd or Sentinel?

Fluidd ships an update every 6 months, and Sentinel weekly. Most recently, Fluidd was updated on September 29, 2026 and Sentinel on September 21, 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.*