# Jawzrsize vs ECHO Water

The clearest difference is review sentiment: Jawzrsize at 67% against ECHO Water's 20%. Jawzrsize also leads on rating (4.5 vs 2.7). ECHO Water's advantage is iOS requirement (15.1 vs 17.0). On price, ratings volume, update cadence and ads there is nothing between them.

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

Jawzrsize holds the better App Store score, 4.5 against 2.7. Both are backed by a comparable volume of ratings — 49 and 52 respectively. Written reviews point the same way: 67% of Jawzrsize's written reviews are positive against 20% of ECHO Water's.

Jawzrsize ships an update monthly, ECHO Water every 3 weeks. The most recent releases landed on October 19, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Jawzrsize | ECHO Water |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (49 ratings)](https://appshunter.io/ios/app/jawzrsize/id6474247068/reviews)** | [2.7 (52 ratings)](https://appshunter.io/ios/app/echo-water/id6739596759/reviews) |
| Number of ratings | 49 | **52** |
| Positive reviews | **66.7% of reviews** | 20.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 132 MB | 49 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Jawzrsize](https://appshunter.io/developer/1295301752) | [Echo Water](https://appshunter.io/developer/1786253277) |

## What reviewers say

### Jawzrsize

[App page](https://appshunter.io/ios/app/jawzrsize/id6474247068)

This app guides and tracks your jawline workout journey with AI-powered repetition counting, before-and-after photo comparisons, and detailed performance reports. Earn badges and milestones to stay motivated as you work towards a more defined jawline.

**Highlights:** AI-powered rep tracking, Before & after photo comparisons, Detailed workout reports, Badges and milestones, Community support, Customizable notifications

**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 Jawzrsize free?

Jawzrsize 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, Jawzrsize or ECHO Water?

Jawzrsize is rated higher. Jawzrsize averages 4.5 out of 5 from 49 ratings, while ECHO Water averages 2.7 from 52 ratings.

### Do Jawzrsize or ECHO Water have ads?

Neither Jawzrsize nor ECHO Water shows ads.

### Which is updated more often, Jawzrsize or ECHO Water?

Jawzrsize ships an update monthly, and ECHO Water every 3 weeks. Most recently, Jawzrsize was updated on October 19, 2026 and ECHO Water on October 16, 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.*