# CNCW vs MCE Sync

CNCW and MCE Sync both sit at 4.8 stars, but that hides the real split: 69% of CNCW's written reviews are positive against 38% of MCE Sync's. CNCW also leads on device support (3 vs 1) and iOS requirement (15.0 vs 18.6). MCE Sync's advantage is update cadence (every 6 weeks vs every 8 months). On price, rating, ratings volume 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.

CNCW holds the better App Store score, 4.8 against 4.7. Both are backed by a comparable volume of ratings — 225 and 216 respectively. Written reviews point the same way: 69% of CNCW's written reviews are positive against 38% of MCE Sync's.

CNCW ships an update every 8 months, MCE Sync every 6 weeks. The most recent releases landed on November 13, 2026 and November 14, 2026 respectively.

## The numbers

| Metric | CNCW | MCE Sync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (225 ratings)](https://appshunter.io/ios/app/cncw/id779712424/reviews)** | [4.7 (216 ratings)](https://appshunter.io/ios/app/mce-sync/id1590409332/reviews) |
| Number of ratings | **225** | 216 |
| Positive reviews | **68.8% of reviews** | 38.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 25 MB | 91 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Paymentus Corporation](https://appshunter.io/developer/779712427) | [MCE Clean Energy](https://appshunter.io/developer/1590409334) |

## What reviewers say

### CNCW

[App page](https://appshunter.io/ios/app/cncw/id779712424)

This application allows Contra Costa Water District customers to conveniently manage and pay their water bills directly from their iOS devices. It provides a secure platform for enrollment and payment processing.

**Highlights:** Bill payment, Account enrollment, Secure transactions, Mobile access

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 👍 User friendly
- 👍 Convenient bill payment
- 👍 Free payment option
- 👍 Fast payments

**What reviewers complain about**

- 💸 High service charge
- 💸 $3.95 transaction fee
- 🐛 App crashes
- 🐛 Incompatible with iOS 11
- 🐛 Autopay setup issues

**Reported bugs**

- Will not accept password
- App keeps crashing
- Autopay feature not allowing right payment
- Cannot erase cards
- Payment processing errors (zip code issue)

**Requested features**

- Additional information on past water usage
- Graphs for water usage
- Software updates for iOS compatibility


### MCE Sync

[App page](https://appshunter.io/ios/app/mce-sync/id1590409332)

Automate your electric vehicle charging to leverage the cheapest and cleanest energy available on the grid. Earn cash rewards for charging during specific low-carbon events.

**Highlights:** Automated EV charging, Cheapest energy utilization, Cleanest energy utilization, Cash sign-up bonus, Monthly cash rewards

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

**In-app purchases:** none


## Frequently asked questions

### Is CNCW free?

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

### Is MCE Sync free?

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

### Which has better reviews, CNCW or MCE Sync?

CNCW is rated higher. CNCW averages 4.8 out of 5 from 225 ratings, while MCE Sync averages 4.7 from 216 ratings.

### Do CNCW or MCE Sync have ads?

Neither CNCW nor MCE Sync shows ads.

### Which is updated more often, CNCW or MCE Sync?

CNCW ships an update every 8 months, and MCE Sync every 6 weeks. Most recently, CNCW was updated on November 13, 2026 and MCE Sync on November 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.*