United Illuminating vs Advanced Window Systems
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
United Illuminating
Manage your utility account with ease. Pay bills, report outages, and view restoration times. Access account information, enroll in eBill, AutoPay, and Budget Billing for convenient financial management.
- Pay bills in three clicks
- Secure Touch/Face ID login
- Report outages and view restoration times
- Access outage maps
- Enroll in eBill and AutoPay
- Sign up for Budget Billing
- Update account profile
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We are pleased to offer you an effortless tool that makes it even easier to manage your account! Our free app provides you convenience at your fingertips. With just a few, simple clicks of a button, you can instantly access your account, view and pay your bill, report an outage - and that’s not all! Designed for you... - Pay your bill in just three clicks - Login using secure Touch or Face ID access and view your account real-time. You don’t have to remember your credentials every time! - Easily report an outage, see your estimated time of restoration and access outage lists and maps to stay informed. On the go... - Enroll in eBill for online access and convenience and view up to 13 months of bills! - Sign up for AutoPay so your payments can be made automatically, securely, and on time every month. - Enroll in Budget Billing so you’ll always know how much your bill will be! - Update your account profile (email address, mailing address and phone number) and manage your personal preferences.
Advanced Window Systems
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Advanced Window Systems is a free app available for anyone to download and is used to communicate with Advanced Window Systems. It is as simple as downloading the App and register as a user. Once registered, you can begin communicating right away. We will reach out to you keep you updated via push notifications and in-app messaging to improve your overall buying experience. Once you purchase your a Product from Advanced Window Systems, feel free to write a review. We appreciate your feedback.
Screenshots
Verdict
The clearest difference is iOS requirement: United Illuminating at 13.0 against Advanced Window Systems's 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.
United Illuminating ships an update every 3 weeks, Advanced Window Systems monthly. The most recent releases landed on October 21, 2026 and October 3, 2026 respectively.
| Parameter | United Illuminating | Advanced Window Systems |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (4.8K ratings) — better | — |
| Positive reviews | 82.2% of reviews | — |
| Number of ratings | 4.8K — better | — |
| Update frequency | Every 3 weeks — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 60 MB | 37 MB |
| Age rating | 4+ | 4+ |
| Developer | AVANGRID INC. | Advanced Window Systems |
Bugs and requests
United Illuminating
Reported bugs
3 issues- Login screen crashes or freezes
- Payment processing errors
- Inability to access account information
Requested features
4 requests- Add ability to schedule/manage payments
- Improve communication during service transfers
- Allow credit card payments in-app
- Provide more transparency on billing and usage
Advanced Window Systems
Not enough reviews yet to summarise bugs or requests.
In-app purchases
United Illuminating
No in-app purchases
Advanced Window Systems
No in-app purchases
