# Apollo Neuro vs ECHO Water

The clearest difference is rating: Apollo Neuro at 4.5 against ECHO Water's 2.7. Apollo Neuro also leads on review sentiment (62% vs 20%) and ratings volume (1.9K vs 52). ECHO Water's advantage is in-app purchases (none vs 3). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Apollo Neuro sells 3 in-app purchases, starting at $89.99 per year. ECHO Water asks for nothing beyond the download.

Apollo Neuro holds the better App Store score, 4.5 against 2.7. That said, the two scores are not equally well evidenced: Apollo Neuro has 1.9K ratings behind it against 52, so its average is the more settled of the two. Written reviews point the same way: 62% of Apollo Neuro's written reviews are positive against 20% of ECHO Water's.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 18, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Apollo Neuro | ECHO Water |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (1.9K ratings)](https://appshunter.io/ios/app/apollo-neuro/id1457385148/reviews)** | [2.7 (52 ratings)](https://appshunter.io/ios/app/echo-water/id6739596759/reviews) |
| Number of ratings | **1.9K** | 52 |
| Positive reviews | **62.2% of reviews** | 20.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#78** | — |
| Size | 650 MB | 49 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Apollo Neuro](https://appshunter.io/developer/1378318920) | [Echo Water](https://appshunter.io/developer/1786253277) |

## What reviewers say

### Apollo Neuro

[App page](https://appshunter.io/ios/app/apollo-neuro/id1457385148)

**Currently charting:** #78 Top Grossing · Health & Fitness (US App Store)

This app uses silent sound wave vibrations to improve calm, focus, energy, and sleep. It offers instant stress relief and can be enhanced with a wearable device for deeper, long-term wellness benefits. Track your progress and integrate with other health apps.

**Highlights:** Silent sound wave vibrations, Instant stress relief, Improved calm and focus, Enhanced energy and sleep, Progress tracking, Smart health integrations

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sessions Premium (Yearly) | $89.99 | per year |
| SmartVibes One Year | $99.99 | per year |
| Apollo Pro - Yearly | $159.99 | per year |

**What reviewers like**

- 🚀 Effective for anxiety, sleep, and focus
- 👍 Discreet and comfortable to wear
- 🤩 Noticeable benefits like improved sleep and HRV
- 🧘‍♀️ Helps with relaxation, grounding, and managing stress
- ⚡️ Provides an energy boost when needed

**What reviewers complain about**

- 🔋 Battery life issues, device needs frequent charging
- 🐛 Connectivity and app stability problems
- 💰 Expensive device and subscription model
- 🤖 App is buggy, unintuitive, and lacks key features
- 🔒 Concerns about lack of user control and data privacy

**Reported bugs**

- Scheduled sessions not always starting as planned
- Bluetooth connectivity issues and device not pairing properly
- App crashes, freezes, and general instability
- Usage data not tracking accurately in the app

**Requested features**

- Apple Watch integration for easier control
- More customization options for schedules and modes
- Longer duration for programs and vibration patterns
- Improved sleep tracking and integration with other health apps
- Ability to use device without the app


### 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 Apollo Neuro free?

Apollo Neuro is free to download, with in-app purchases available.

### Is ECHO Water free?

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

### Which has better reviews, Apollo Neuro or ECHO Water?

Apollo Neuro is rated higher. Apollo Neuro averages 4.5 out of 5 from 1.9K ratings, while ECHO Water averages 2.7 from 52 ratings.

### Do Apollo Neuro or ECHO Water have ads?

Neither Apollo Neuro nor ECHO Water shows ads.

### Which is updated more often, Apollo Neuro or ECHO Water?

Apollo Neuro ships an update every 3 weeks, and ECHO Water every 3 weeks. Most recently, Apollo Neuro was updated on October 18, 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.*