# MXM Sei vs Solid Security

The clearest difference is iOS requirement: MXM Sei at 13.4 against Solid Security's 15.1. 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.

MXM Sei ships an update every 5 weeks, Solid Security every 3 weeks. The most recent releases landed on September 21, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | MXM Sei | Solid Security |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Size | 109 MB | 118 MB |
| Requires iOS | **13.4** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [P V M SANTOS](https://appshunter.io/developer/1522692435) | [Solid Security](https://appshunter.io/developer/1746735048) |

## What reviewers say

### MXM Sei

[App page](https://appshunter.io/ios/app/mxm-sei/id1522692433)

**Features:** macOS Compatibility

**In-app purchases:** none


### Solid Security

[App page](https://appshunter.io/ios/app/solid-security/id6502771912)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MXM Sei free?

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

### Is Solid Security free?

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

### Do MXM Sei or Solid Security have ads?

Neither MXM Sei nor Solid Security shows ads.

### Which is updated more often, MXM Sei or Solid Security?

MXM Sei ships an update every 5 weeks, and Solid Security every 3 weeks. Most recently, MXM Sei was updated on September 21, 2026 and Solid Security on September 15, 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.*