# PSO Mobile App vs CarDio

The clearest difference is rating: CarDio at 5.0 against PSO Mobile App's 2.9. PSO Mobile App's advantage is ratings volume (102 vs 10). 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.

CarDio holds the better App Store score, 5.0 against 2.9. That said, the two scores are not equally well evidenced: PSO Mobile App has 102 ratings behind it against 10, so its average is the more settled of the two.

PSO Mobile App ships an update monthly, CarDio fortnightly. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | PSO Mobile App | CarDio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.9 (102 ratings)](https://appshunter.io/ios/app/pso-mobile-app/id1272274800/reviews) | **[5.0 (10 ratings)](https://appshunter.io/ios/app/cardio-auto/id6454723833/reviews)** |
| Number of ratings | **102** | 10 |
| Positive reviews | 12.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free | Free |
| Size | 37 MB | 79 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [American Electric Power](https://appshunter.io/developer/655650238) | [CarDio Auto LLC](https://appshunter.io/developer/1643797736) |

## What reviewers say

### PSO Mobile App

[App page](https://appshunter.io/ios/app/pso-mobile-app/id1272274800)

Manage your utility account conveniently. View and pay bills, report power outages, track restoration progress, and monitor energy usage. The app offers features like paperless billing and payment alerts for a streamlined experience.

**Highlights:** Report power outages, Check outage status, View and pay bills, Manage multiple accounts, Track energy usage, Paperless billing enrollment

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

**In-app purchases:** none


### CarDio

[App page](https://appshunter.io/ios/app/cardio-auto/id6454723833)

Manage your vehicle's maintenance and upkeep with ease. Access premium services, schedule appointments, and save money with exclusive discounts. Enjoy dealership-quality servicing tailored for your car's health.

**Highlights:** Vehicle maintenance management, Premium service access, Priority scheduling, Long-term savings, Exclusive discounts, Dealership-quality servicing

**In-app purchases:** none


## Frequently asked questions

### Is PSO Mobile App free?

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

### Is CarDio free?

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

### Which has better reviews, PSO Mobile App or CarDio?

CarDio is rated higher. PSO Mobile App averages 2.9 out of 5 from 102 ratings, while CarDio averages 5.0 from 10 ratings.

### Do PSO Mobile App or CarDio have ads?

Neither PSO Mobile App nor CarDio shows ads.

### Which is updated more often, PSO Mobile App or CarDio?

PSO Mobile App ships an update monthly, and CarDio fortnightly. Most recently, PSO Mobile App was updated on October 30, 2026 and CarDio on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*