OEC Mobile vs CNCW
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OEC Mobile
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.
- Account management
- Bill viewing
- Payment processing
- Alert scheduling
- Push notifications
- Social media connection
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Our Mobile App is designed to give you fast, secure account access so you can easily manage your account details, view your bill and your account balance, make payments and find payment locations, schedule alerts and reminders, receive push notifications and stay connected with us via facebook and twitter. Nearly everything you can do from our "Online Account Portal" can now be handled instantly whether you're at home, at work, or on the go.
CNCW
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.
- Bill payment
- Account enrollment
- Secure transactions
- Mobile access
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This is for Contra Costa Water District's customers to make payments. This application is created by Paymentus Corporation for customers to enroll and pay bills from an iOS device.
Screenshots
Verdict
The clearest difference is rating: CNCW at 4.8 against OEC Mobile's 2.9. CNCW also leads on review sentiment (69% vs 43%) and ratings volume (224 vs 13). 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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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 2.9. That said, the two scores are not equally well evidenced: CNCW has 224 ratings behind it against 13, 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 November 1, 2026 and November 11, 2026 respectively.
| Parameter | OEC Mobile | CNCW |
|---|---|---|
| Price | Free | Free |
| Rating | 2.9 (13 ratings) | 4.8 (224 ratings) — better |
| Positive reviews | 42.9% of reviews | 68.8% of reviews — better |
| Number of ratings | 13 | 224 — better |
| Update frequency | Every 4 months — better | Every 8 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 174 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | OWEN ELECTRIC COOPERATIVE, INC | Paymentus Corporation |
Customer experience
OEC Mobile
CNCW
Bugs and requests
OEC Mobile
Not enough reviews yet to summarise bugs or requests.
CNCW
Reported bugs
6 issues- Will not accept password
- App keeps crashing
- Autopay feature not allowing right payment
- Cannot erase cards
- Payment processing errors (zip code issue)
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- Persistent warning message
Requested features
3 requests- Additional information on past water usage
- Graphs for water usage
- Software updates for iOS compatibility
In-app purchases
OEC Mobile
No in-app purchases
CNCW
No in-app purchases
