# OEC Mobile vs CNCW

The clearest difference is rating: CNCW at 4.8 against OEC Mobile's 3.0. CNCW also leads on review sentiment (69% vs 43%) and ratings volume (160 vs 12). OEC Mobile's advantage is iOS requirement (12.0 vs 15.0). 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.

CNCW holds the better App Store score, 4.8 against 3.0. That said, the two scores are not equally well evidenced: CNCW has 160 ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 43% of OEC Mobile's written reviews are positive against 69% of CNCW's.

OEC Mobile ships an update every 4 months, CNCW every 8 months. The most recent releases landed on September 26, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | OEC Mobile | CNCW |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (12 ratings)](https://appshunter.io/ios/app/oec-mobile/id713948583/reviews) | **[4.8 (160 ratings)](https://appshunter.io/ios/app/cncw/id779712424/reviews)** |
| Number of ratings | 12 | **160** |
| Positive reviews | 42.9% of reviews | **68.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 8 months |
| Monetization | Free | Free |
| Size | 174 MB | 25 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OWEN ELECTRIC COOPERATIVE, INC](https://appshunter.io/developer/713948586) | [Paymentus Corporation](https://appshunter.io/developer/779712427) |

## What reviewers say

### OEC Mobile

[App page](https://appshunter.io/ios/app/oec-mobile/id713948583)

Manage your account details, view bills and balances, and make payments on the go. Schedule alerts, receive notifications, and connect with customer service through social media.

**Highlights:** Account management, Bill viewing, Payment processing, Alert scheduling, Push notifications, Social media connection

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is OEC Mobile free?

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

### Is CNCW free?

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

### Which has better reviews, OEC Mobile or CNCW?

CNCW is rated higher. OEC Mobile averages 3.0 out of 5 from 12 ratings, while CNCW averages 4.8 from 160 ratings.

### Do OEC Mobile or CNCW have ads?

Neither OEC Mobile nor CNCW shows ads.

### Which is updated more often, OEC Mobile or CNCW?

OEC Mobile ships an update every 4 months, and CNCW every 8 months. Most recently, OEC Mobile was updated on September 26, 2026 and CNCW on October 1, 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.*