# Blu e vs Hydrao Eco

The clearest difference is update cadence: Hydrao Eco at weekly against Blu e's monthly. Blu e's advantage is review sentiment (60% vs 50%) and iOS requirement (9.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Blu e ships an update monthly, Hydrao Eco weekly. The most recent releases landed on October 3, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Blu e | Hydrao Eco |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (5 ratings)](https://appshunter.io/ios/app/blu-e-lite/id1244088436/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | **60.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free | Free |
| Size | 22 MB | 28 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [传彬 邹](https://appshunter.io/developer/1244088435) | [SMART AND BLUE](https://appshunter.io/developer/1096518405) |

## What reviewers say

### Blu e

[App page](https://appshunter.io/ios/app/blu-e-lite/id1244088436)

Control smart lighting devices via Bluetooth for a personalized ambiance. Decorate various spaces with dynamic colors and music synchronization. Enhance your home or holiday settings with intelligent lighting.

**Highlights:** Bluetooth connection, Customizable lighting effects, Music synchronization, Decoration for various spaces, Intelligent networking systems

**Features:** macOS Compatibility

**In-app purchases:** none


### Hydrao Eco

[App page](https://appshunter.io/ios/app/hydrao-eco/id6753078584)

This app gamifies water saving by tracking your shower consumption. Set custom thresholds and colors to monitor progress, evaluate savings on water and heating, and manage multiple shower heads.

**Highlights:** Track shower water consumption, Gamified water saving, Set water thresholds and colors, Monitor water and heating savings, Manage multiple shower heads, Compare performance and progress

**In-app purchases:** none


## Frequently asked questions

### Is Blu e free?

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

### Is Hydrao Eco free?

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

### Do Blu e or Hydrao Eco have ads?

Neither Blu e nor Hydrao Eco shows ads.

### Which is updated more often, Blu e or Hydrao Eco?

Blu e ships an update monthly, and Hydrao Eco weekly. Most recently, Blu e was updated on October 3, 2026 and Hydrao Eco on October 11, 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.*