# PLC Schedule vs ECHO Water

The clearest difference is rating: PLC Schedule at 4.0 against ECHO Water's 2.7. ECHO Water's advantage is ratings volume (52 vs 4) and monetization model (free vs ad-supported). On price, update cadence, 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.

PLC Schedule holds the better App Store score, 4.0 against 2.7. That said, the two scores are not equally well evidenced: ECHO Water has 52 ratings behind it against 4, so its average is the more settled of the two.

PLC Schedule ships an update monthly, ECHO Water every 3 weeks. The most recent releases landed on October 2, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | PLC Schedule | ECHO Water |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/plc-schedule/id1367545601/reviews)** | [2.7 (52 ratings)](https://appshunter.io/ios/app/echo-water/id6739596759/reviews) |
| Number of ratings | 4 | **52** |
| Positive reviews | — | 20.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Ad-supported | **Free** |
| Size | 192 MB | 49 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [FLORIDA PRITIKIN CENTER, INC](https://appshunter.io/developer/1403485851) | [Echo Water](https://appshunter.io/developer/1786253277) |

## What reviewers say

### PLC Schedule

[App page](https://appshunter.io/ios/app/plc-schedule/id1367545601)

Access your personal schedule, view class offerings, and book additional services. This app helps you manage your time and access Pritikin program information conveniently from your device.

**Highlights:** View Pritikin schedule, Manage personal appointments, Request a la carte services, View ongoing promotions, Access program information

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

**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 PLC Schedule free?

PLC Schedule 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, PLC Schedule or ECHO Water?

PLC Schedule is rated higher. PLC Schedule averages 4.0 out of 5 from 4 ratings, while ECHO Water averages 2.7 from 52 ratings.

### Do PLC Schedule or ECHO Water have ads?

Neither PLC Schedule nor ECHO Water shows ads.

### Which is updated more often, PLC Schedule or ECHO Water?

PLC Schedule ships an update monthly, and ECHO Water every 3 weeks. Most recently, PLC Schedule was updated on October 2, 2026 and ECHO Water on October 12, 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.*