# Improve Detroit vs CallHarborUC

The clearest difference is review sentiment: Improve Detroit at 60% against CallHarborUC's 0%. Improve Detroit also leads on rating (4.6 vs 3.8) and ratings volume (1.1K vs 8). CallHarborUC's advantage is iOS requirement (16.0 vs 18.0). 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.

Improve Detroit holds the better App Store score, 4.6 against 3.8. That said, the two scores are not equally well evidenced: Improve Detroit has 1.1K ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 60% of Improve Detroit's written reviews are positive against 0% of CallHarborUC's.

Improve Detroit ships an update every 4 months, CallHarborUC every 9 months. The most recent releases landed on November 1, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Improve Detroit | CallHarborUC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (1.1K ratings)](https://appshunter.io/ios/app/improve-detroit/id879463277/reviews)** | [3.8 (8 ratings)](https://appshunter.io/ios/app/callharboruc/id6497948881/reviews) |
| Number of ratings | **1.1K** | 8 |
| Positive reviews | **59.6% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 9 months |
| Monetization | Free | Free |
| Size | 150 MB | 115 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | iPhone | iPhone |
| Age rating | 12+ | 17+ |
| Developer | [City of Detroit](https://appshunter.io/developer/1413260519) | [Active Solutions Group, Inc.](https://appshunter.io/developer/1222134241) |

## What reviewers say

### Improve Detroit

[App page](https://appshunter.io/ios/app/improve-detroit/id879463277)

Easily report neighborhood issues like potholes and damaged signs to City Hall. The app uses your location and allows photo uploads for quick problem identification. Receive status updates on your submitted service requests.

**Highlights:** Report neighborhood problems, Uses device location, Menu of common issues, Upload photos with reports, Comment on submissions, Receive status updates

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Good response times
- 👍 Helpful in getting things done
- 👍 Timely resolution of issues
- 👍 Convenient and responsive

**What reviewers complain about**

- 🐛 App doesn't work
- 🐛 Slow responses
- 🐛 No connection to BSEED
- 🐛 Issues not resolved
- 🐛 Outdated information

**Reported bugs**

- App doesn't let users file reports or sign up
- Reported issues not resolved
- Responses are slow or non-existent
- Issues closed without being fixed

**Requested features**

- Better user interface for reporting abandoned vehicles
- Update and improve the app
- Improve connectivity with other city departments
- Allow anonymous reporting
- Expand the types of issues that can be reported


### CallHarborUC

[App page](https://appshunter.io/ios/app/callharboruc/id6497948881)

This app allows you to use your professional phone extension on your mobile device. Make and receive calls from anywhere, and enjoy free in-app calls with other users.

**Highlights:** Carry your extension on mobile, Make and receive calls on the go, Log in with existing credentials, Free in-app calls among users, High-quality audio

**In-app purchases:** none


## Frequently asked questions

### Is Improve Detroit free?

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

### Is CallHarborUC free?

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

### Which has better reviews, Improve Detroit or CallHarborUC?

Improve Detroit is rated higher. Improve Detroit averages 4.6 out of 5 from 1.1K ratings, while CallHarborUC averages 3.8 from 8 ratings.

### Do Improve Detroit or CallHarborUC have ads?

Neither Improve Detroit nor CallHarborUC shows ads.

### Which is updated more often, Improve Detroit or CallHarborUC?

Improve Detroit ships an update every 4 months, and CallHarborUC every 9 months. Most recently, Improve Detroit was updated on November 1, 2026 and CallHarborUC on November 4, 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.*