# Tulsa 311 vs CarDio

The clearest difference is rating: CarDio at 5.0 against Tulsa 311's 2.1. CarDio also leads on update cadence (fortnightly vs every 29 months). Tulsa 311's advantage is monetization model (free vs subscription) and device support (3 vs 1). On price, ratings volume, 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 2.1. Both are backed by a comparable volume of ratings — 23 and 10 respectively.

Tulsa 311 ships an update every 29 months, CarDio fortnightly. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Tulsa 311 | CarDio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.1 (23 ratings)](https://appshunter.io/ios/app/tulsa-311/id1453372535/reviews) | **[5.0 (10 ratings)](https://appshunter.io/ios/app/cardio-auto/id6454723833/reviews)** |
| Number of ratings | **23** | 10 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 29 months | **Fortnightly** |
| Monetization | **Free** | Subscription |
| Size | 7 MB | 83 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [City of Tulsa](https://appshunter.io/developer/1453372534) | [CarDio Auto LLC](https://appshunter.io/developer/1643797736) |

## What reviewers say

### Tulsa 311

[App page](https://appshunter.io/ios/app/tulsa-311/id1453372535)

Easily report city issues like potholes or broken signals using your phone's GPS and camera. Submit service requests directly to the City Council and track their resolution from start to finish.

**Highlights:** Report potholes and broken signals, Use GPS for location identification, Attach photos to service requests, Track request resolution status, Submit requests to City Council

**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 servicing with ease. This app offers premium services, priority scheduling, and exclusive discounts for vehicle protection. Enjoy dealership-quality service and long-term savings through a monthly subscription.

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

**In-app purchases:** none


## Frequently asked questions

### Is Tulsa 311 free?

Tulsa 311 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, Tulsa 311 or CarDio?

CarDio is rated higher. Tulsa 311 averages 2.1 out of 5 from 23 ratings, while CarDio averages 5.0 from 10 ratings.

### Do Tulsa 311 or CarDio have ads?

Neither Tulsa 311 nor CarDio shows ads.

### Which is updated more often, Tulsa 311 or CarDio?

Tulsa 311 ships an update every 29 months, and CarDio fortnightly. Most recently, Tulsa 311 was updated on November 6, 2026 and CarDio on November 7, 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.*