# CONOW EMS vs Wattsup Charge

The clearest difference is ads: CONOW EMS at none against Wattsup Charge's shown. CONOW EMS also leads on iOS requirement (12.0 vs 14.0). Wattsup Charge's advantage is update cadence (monthly vs every 6 months). On price, 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.

CONOW EMS ships an update every 6 months, Wattsup Charge monthly. The most recent releases landed on June 1, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | CONOW EMS | Wattsup Charge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/conow-ems/id6460727360/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Monthly** |
| Monetization | Free | — |
| Size | 151 MB | 260 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [GREENZONE TECHNOLOGY LIMITED](https://appshunter.io/developer/1700691379) | [MERAS Plugins Pvt. Ltd](https://appshunter.io/developer/1635128109) |

## What reviewers say

### CONOW EMS

[App page](https://appshunter.io/ios/app/conow-ems/id6460727360)

This application simplifies the management of power stations for installers. It offers centralized control over multiple stations, task assignment features, and remote device parameter adjustments. The streamlined workflow guides users from website setup to equipment installation and owner handover.

**Highlights:** Centralized management of multiple power stations, View global and detailed power station information, Construction and Work Order task management, Remote control of device parameters, Online firmware upgrades, Minimalist installation workflow

**In-app purchases:** none


### Wattsup Charge

[App page](https://appshunter.io/ios/app/wattsup-charge/id6466248738)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CONOW EMS free?

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

### Is Wattsup Charge free?

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

### Do CONOW EMS or Wattsup Charge have ads?

Wattsup Charge shows ads; CONOW EMS does not.

### Which is updated more often, CONOW EMS or Wattsup Charge?

CONOW EMS ships an update every 6 months, and Wattsup Charge monthly. Most recently, CONOW EMS was updated on June 1, 2026 and Wattsup Charge on September 14, 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.*