# Salt mCodeX vs 4Sight Locator by JSI

The clearest difference is rating: 4Sight Locator by JSI at 3.7 against Salt mCodeX's 1.0. 4Sight Locator by JSI also leads on ratings volume (3 vs 1). Salt mCodeX's advantage is iOS requirement (11.0 vs 18.0). 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.

4Sight Locator by JSI holds the better App Store score, 3.7 against 1.0. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

Salt mCodeX ships an update every 2 months, 4Sight Locator by JSI every 3 months. The most recent releases landed on October 10, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Salt mCodeX | 4Sight Locator by JSI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/salt-mcodex/id389513911/reviews) | **[3.7 (3 ratings)](https://appshunter.io/ios/app/4sight-locator-by-jsi/id1557315472/reviews)** |
| Number of ratings | 1 | **3** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | Free |
| Size | 9 MB | 68 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Salt Group](https://appshunter.io/developer/328013684) | [Jatom Systems Inc.](https://appshunter.io/developer/732034188) |

## 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


### 4Sight Locator by JSI

[App page](https://appshunter.io/ios/app/4sight-locator-by-jsi/id1557315472)

Access your 4Sight system remotely to receive live updates and notifications. Search historical data and stay connected on your iPad or iPhone. Requires administrator access and a direct connection to your 4Sight system.

**Highlights:** Live system updates, Relevant notifications, Historical data search, Remote system access, iPad and iPhone compatibility

**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 4Sight Locator by JSI free?

4Sight Locator by JSI is free to download, with no in-app purchases.

### Which has better reviews, Salt mCodeX or 4Sight Locator by JSI?

4Sight Locator by JSI is rated higher. Salt mCodeX averages 1.0 out of 5 from 1 ratings, while 4Sight Locator by JSI averages 3.7 from 3 ratings.

### Do Salt mCodeX or 4Sight Locator by JSI have ads?

Neither Salt mCodeX nor 4Sight Locator by JSI shows ads.

### Which is updated more often, Salt mCodeX or 4Sight Locator by JSI?

Salt mCodeX ships an update every 2 months, and 4Sight Locator by JSI every 3 months. Most recently, Salt mCodeX was updated on October 10, 2026 and 4Sight Locator by JSI on October 24, 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.*