# Duke Energy vs Vortex Express

The clearest difference is ratings volume: Duke Energy at 183K against Vortex Express's 2. Duke Energy also leads on update cadence (fortnightly vs every 5 weeks) and chart position (#169 vs unranked). Vortex Express's advantage is rating (5.0 vs 4.8) and iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Vortex Express holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Duke Energy has 183K ratings behind it against 2, so its average is the more settled of the two.

Duke Energy ships an update fortnightly, Vortex Express every 5 weeks. The most recent releases landed on October 29, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Duke Energy | Vortex Express |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (183K ratings)](https://appshunter.io/ios/app/duke-energy/id1325217974/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/vortex-express/id6756391280/reviews)** |
| Number of ratings | **183K** | 2 |
| Positive reviews | 25.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Monetization | Free | Free |
| Best chart rank | **#169** | — |
| Size | 93 MB | 96 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Duke Energy](https://appshunter.io/developer/1299896621) | [Vortex Express LLC](https://appshunter.io/developer/1860421829) |

## What reviewers say

### Duke Energy

[App page](https://appshunter.io/ios/app/duke-energy/id1325217974)

**Currently charting:** #169 Top Free · Utilities (US App Store)

Manage your energy accounts conveniently from your mobile device. View and pay bills, report outages, track energy usage, and access customer support. Save money with energy-saving offers.

**Highlights:** Easy login with Touch ID/Face ID, View and pay bills, Report power outages, Track energy usage, Set up bill reminders, Access energy-saving offers

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy to navigate
- 🔒 Secure payment process
- 👍 Helpful for tracking usage
- 👍 Great company overall

**What reviewers complain about**

- 🐛 Frequent login issues
- 🐛 Unreliable app functionality
- 🐛 Inaccurate billing information
- 🐛 Glitchy payment processing
- 👎 Poor customer service

**Reported bugs**

- Daily usage graphs not working
- Unable to log in consistently
- Payment information not saving properly
- App redirects to website instead of in-app functionality

**Requested features**

- Add last month/last year usage comparison
- Display dollar amount in addition to kWh
- Improve outage map and notifications
- Implement two-factor authentication
- Allow scheduling of bill payments


### Vortex Express

[App page](https://appshunter.io/ios/app/vortex-express/id6756391280)

Manage your car wash membership, purchase single washes, or buy gift cards. Find locations, track your wash history, and get exclusive deals. Enjoy fast, secure, and contactless payments for a hassle-free experience.

**Highlights:** Manage car wash membership, Purchase single washes and gift cards, Track wash history, Find locations, Real-time updates and deals, Secure payments

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

**In-app purchases:** none


## Frequently asked questions

### Is Duke Energy free?

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

### Is Vortex Express free?

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

### Which has better reviews, Duke Energy or Vortex Express?

Vortex Express is rated higher. Duke Energy averages 4.8 out of 5 from 183K ratings, while Vortex Express averages 5.0 from 2 ratings.

### Do Duke Energy or Vortex Express have ads?

Neither Duke Energy nor Vortex Express shows ads.

### Which is updated more often, Duke Energy or Vortex Express?

Duke Energy ships an update fortnightly, and Vortex Express every 5 weeks. Most recently, Duke Energy was updated on October 29, 2026 and Vortex Express on October 11, 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.*