# Joovv Light Therapy vs ECHO Water

The clearest difference is rating: ECHO Water at 4.6 against Joovv Light Therapy's 1.7. ECHO Water also leads on update cadence (every 3 weeks vs every 3 months) and ratings volume (141 vs 12). Joovv Light Therapy's advantage is iOS requirement (13.0 vs 15.1). On price, review sentiment, ads and in-app purchases there is nothing between them.

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

ECHO Water holds the better App Store score, 4.6 against 1.7. That said, the two scores are not equally well evidenced: ECHO Water has 141 ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 15% of Joovv Light Therapy's written reviews are positive against 20% of ECHO Water's.

Joovv Light Therapy ships an update every 3 months, ECHO Water every 3 weeks. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Joovv Light Therapy | ECHO Water |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.7 (12 ratings)](https://appshunter.io/ios/app/joovv-light-therapy/id1514871055/reviews) | **[4.6 (141 ratings)](https://appshunter.io/ios/app/echo-water/id6739596759/reviews)** |
| Number of ratings | 12 | **141** |
| Positive reviews | 15.2% of reviews | **20.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 31 MB | 49 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Joovv, Inc.](https://appshunter.io/developer/1437054134) | [Echo Water](https://appshunter.io/developer/1786253277) |

## What reviewers say

### Joovv Light Therapy

[App page](https://appshunter.io/ios/app/joovv-light-therapy/id1514871055)

Control your Joovv light therapy device remotely via your iOS device. Access advanced features like Ambient and Alarm Clock modes, track your sessions, set personal goals, and receive helpful reminders to optimize your light therapy experience.

**Highlights:** Remote device control, Ambient Mode, Alarm Clock Mode, Session tracking, Goal setting, Reminders

**Features:** macOS Compatibility

**In-app purchases:** none


### ECHO Water

[App page](https://appshunter.io/ios/app/echo-water/id6739596759)

This app provides a streamlined and dependable interface for operating your Echo Flask. It offers a simplified user experience for managing hydrogen water generation.

**Highlights:** Simplified operation, Reliable performance, Echo Flask management, Hydrogen water generation

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Sleek and compact design
- 💡 Customizable color options

**What reviewers complain about**

- 🐛 Connectivity issues with app
- 🐛 Inaccurate water tracking
- 🐛 Firmware update problems
- 🔋 Unreliable battery life

**Reported bugs**

- App unable to sync with water bottle
- Inconsistent flask counting
- Bluetooth pairing problems

**Requested features**

- Ability to manually log water intake
- Scheduling options for hydrogen water
- Improved app performance and stability


## Frequently asked questions

### Is Joovv Light Therapy free?

Joovv Light Therapy is free to download, with no in-app purchases.

### Is ECHO Water free?

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

### Which has better reviews, Joovv Light Therapy or ECHO Water?

ECHO Water is rated higher. Joovv Light Therapy averages 1.7 out of 5 from 12 ratings, while ECHO Water averages 4.6 from 141 ratings.

### Do Joovv Light Therapy or ECHO Water have ads?

Neither Joovv Light Therapy nor ECHO Water shows ads.

### Which is updated more often, Joovv Light Therapy or ECHO Water?

Joovv Light Therapy ships an update every 3 months, and ECHO Water every 3 weeks. Most recently, Joovv Light Therapy was updated on October 24, 2026 and ECHO Water on October 28, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*