# Michigan Secure vs Crystal Flash

The clearest difference is update cadence: Crystal Flash at every 6 months against Michigan Secure's every 15 months. Michigan Secure's advantage is iOS requirement (12.0 vs 14.0). On price, ads, in-app purchases and device support 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 ships an update every 15 months, Crystal Flash every 6 months. The most recent releases landed on September 16, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Michigan Secure | Crystal Flash |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (19 ratings)](https://appshunter.io/ios/app/michigan-secure/id1532783758/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 6 months** |
| Monetization | Free | — |
| Size | 92 MB | 44 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zimperium](https://appshunter.io/developer/1030924458) | [Destwin LLC](https://appshunter.io/developer/1359900128) |

## 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


### Crystal Flash

[App page](https://appshunter.io/ios/app/crystal-flash/id6746761693)

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

**In-app purchases:** none


## Frequently asked questions

### Is Michigan Secure free?

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

### Is Crystal Flash free?

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

### Do Michigan Secure or Crystal Flash have ads?

Neither Michigan Secure nor Crystal Flash shows ads.

### Which is updated more often, Michigan Secure or Crystal Flash?

Michigan Secure ships an update every 15 months, and Crystal Flash every 6 months. Most recently, Michigan Secure was updated on September 16, 2026 and Crystal Flash on September 20, 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.*