# Mpcb's E vs WaterApp

The clearest difference is ads: Mpcb's E at none against WaterApp's shown. Mpcb's E also leads on iOS requirement (13.0 vs 15.1). On price, update cadence, in-app purchases and device support there is nothing between them.

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

Mpcb's E ships an update every 12 months, WaterApp every 7 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Mpcb's E | WaterApp |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 12 months | **Every 7 months** |
| Monetization | Free | — |
| Size | 33 MB | 75 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MPCB](https://appshunter.io/developer/1534705675) | [Green Pyramid Energy Private Limited](https://appshunter.io/developer/1559673460) |

## What reviewers say

### Mpcb's E

[App page](https://appshunter.io/ios/app/mpcbs-e-catalyst/id1534705673)

Stay informed about environmental news and initiatives. This app translates information into knowledge and solutions for effective environmental management, promoting sustainability.

**Highlights:** Environmental news updates, Information to knowledge translation, Sustainable environmental management, Digital literacy in environment, E-governance awareness

**Features:** macOS Compatibility

**In-app purchases:** none


### WaterApp

[App page](https://appshunter.io/ios/app/waterapp-iot-water-automation/id1559673458)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mpcb's E free?

Mpcb's E is free to download, with no in-app purchases.

### Is WaterApp free?

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

### Do Mpcb's E or WaterApp have ads?

WaterApp shows ads; Mpcb's E does not.

### Which is updated more often, Mpcb's E or WaterApp?

Mpcb's E ships an update every 12 months, and WaterApp every 7 months. Most recently, Mpcb's E was updated on November 3, 2026 and WaterApp on November 3, 2026.

---

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