# Michigan Secure vs CallHarborUC

The clearest difference is rating: Michigan Secure at 3.9 against CallHarborUC's 3.3. Michigan Secure also leads on review sentiment (33% vs 0%) and device support (3 vs 1). CallHarborUC's advantage is update cadence (every 7 months vs every 15 months). 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.

Michigan Secure holds the better App Store score, 3.9 against 3.3. Both are backed by a comparable volume of ratings — 19 and 6 respectively. Written reviews point the same way: 33% of Michigan Secure's written reviews are positive against 0% of CallHarborUC's.

Michigan Secure ships an update every 15 months, CallHarborUC every 7 months. The most recent releases landed on September 16, 2026 and June 8, 2026 respectively.

## The numbers

| Metric | Michigan Secure | CallHarborUC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (19 ratings)](https://appshunter.io/ios/app/michigan-secure/id1532783758/reviews)** | [3.3 (6 ratings)](https://appshunter.io/ios/app/callharboruc/id6497948881/reviews) |
| Number of ratings | **19** | 6 |
| Positive reviews | **33.3% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 7 months** |
| Monetization | Free | Free |
| Size | 92 MB | 100 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Zimperium](https://appshunter.io/developer/1030924458) | [Active Solutions Group, Inc.](https://appshunter.io/developer/1222134241) |

## What reviewers say

### Michigan Secure

[App page](https://appshunter.io/ios/app/michigan-secure/id1532783758)

This free app helps protect your mobile device from online threats. It verifies suspicious links and alerts you to unsafe public Wi-Fi networks. It prioritizes your privacy by not collecting sensitive personal data.

**Highlights:** Link safety verification, Phishing attempt detection, Untrusted network alerts, Public Wi-Fi protection, Privacy-first design, No data collection

**Features:** Safari Extension

**In-app purchases:** none


### 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 Michigan Secure free?

Michigan Secure 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, Michigan Secure or CallHarborUC?

Michigan Secure is rated higher. Michigan Secure averages 3.9 out of 5 from 19 ratings, while CallHarborUC averages 3.3 from 6 ratings.

### Do Michigan Secure or CallHarborUC have ads?

Neither Michigan Secure nor CallHarborUC shows ads.

### Which is updated more often, Michigan Secure or CallHarborUC?

Michigan Secure ships an update every 15 months, and CallHarborUC every 7 months. Most recently, Michigan Secure was updated on September 16, 2026 and CallHarborUC on June 8, 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.*