# Salt mCodeX vs Prime E

The clearest difference is update cadence: Prime E at every 3 weeks against Salt mCodeX's every 2 months. 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.

Salt mCodeX ships an update every 2 months, Prime E every 3 weeks. The most recent releases landed on October 10, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Salt mCodeX | Prime E |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/salt-mcodex/id389513911/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 9 MB | 51 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Salt Group](https://appshunter.io/developer/328013684) | [henry Ayensu](https://appshunter.io/developer/978007689) |

## What reviewers say

### Salt mCodeX

[App page](https://appshunter.io/ios/app/salt-mcodex/id389513911)

This app provides a secure, mobile-based second-factor authentication method. It uses biometrics to generate one-time passwords and challenge/response codes for high-assurance remote access to enterprise networks. The solution is PIN-protected and does not require a mobile network connection.

**Highlights:** Mobile second-factor authentication, Biometric (face/fingerprint) authentication, One-time password (OTP) generation, Challenge/Response signature codes, PIN-protected and standalone solution, Issuer configurable profiles

**In-app purchases:** none


### Prime E

[App page](https://appshunter.io/ios/app/prime-e-gift-plus/id6451253240)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Salt mCodeX free?

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

### Is Prime E free?

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

### Do Salt mCodeX or Prime E have ads?

Neither Salt mCodeX nor Prime E shows ads.

### Which is updated more often, Salt mCodeX or Prime E?

Salt mCodeX ships an update every 2 months, and Prime E every 3 weeks. Most recently, Salt mCodeX was updated on October 10, 2026 and Prime E on October 27, 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.*