# b4 Mobile vs SST System

The clearest difference is update cadence: SST System at every 9 days against b4 Mobile's every 38 months. b4 Mobile's advantage is iOS requirement (9.1 vs 15.6). 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.

b4 Mobile ships an update every 38 months, SST System every 9 days. The most recent releases landed on October 11, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | b4 Mobile | SST System |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (3 ratings)](https://appshunter.io/ios/app/sst-system/id6443510649/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 9 days** |
| Monetization | — | Free |
| Size | 7 MB | 109 MB |
| Requires iOS | **9.1** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AmdoSoft Systems GmbH](https://appshunter.io/developer/417009510) | [Mahmoud elsayed](https://appshunter.io/developer/1646744539) |

## What reviewers say

### b4 Mobile

[App page](https://appshunter.io/ios/app/b4-mobile/id431835881)

**Features:** macOS Compatibility

**In-app purchases:** none


### SST System

[App page](https://appshunter.io/ios/app/sst-system/id6443510649)

This HR management software helps companies streamline employee management. It offers tools for tracking employee information and managing HR processes efficiently.

**Highlights:** Employee management, HR process streamlining, Employee information tracking, Company HR tools

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

**In-app purchases:** none


## Frequently asked questions

### Is b4 Mobile free?

b4 Mobile is free to download, with no in-app purchases.

### Is SST System free?

SST System is free to download, with no in-app purchases.

### Do b4 Mobile or SST System have ads?

Neither b4 Mobile nor SST System shows ads.

### Which is updated more often, b4 Mobile or SST System?

b4 Mobile ships an update every 38 months, and SST System every 9 days. Most recently, b4 Mobile was updated on October 11, 2026 and SST System on October 13, 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.*