# FLS MOBILE vs BlackOS

The clearest difference is iOS requirement: FLS MOBILE at 11.0 against BlackOS's 15.0. 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.

FLS MOBILE ships an update every 2 months, BlackOS every 3 months. The most recent releases landed on October 4, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | FLS MOBILE | BlackOS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/blackos/id6767493180/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | Free |
| Size | 5 MB | 15 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Solvares FSM GmbH](https://appshunter.io/developer/462206747) | [Nizar KACHOURI](https://appshunter.io/developer/1896480558) |

## What reviewers say

### FLS MOBILE

[App page](https://appshunter.io/ios/app/fls-mobile/id625257515)

This app connects mobile teams with central data for job management. Technicians can access order details, process work orders paperlessly, and manage materials. It features dynamic scheduling and custom form creation for digital workflows.

**Highlights:** Digital work order submission, Real-time connection and notifications, Time tracking and reporting, Document management, Customer signature capture, Customizable form editor, Mobile material management

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

**In-app purchases:** none


### BlackOS

[App page](https://appshunter.io/ios/app/blackos/id6767493180)

This app helps TikTok LIVE creators manage their streams with a weekly planner, reminders, and compliance checklists. It also provides a glossary, ban-appeal templates, and an earnings calculator for diamonds. Users can track their performance and access growth guides.

**Highlights:** Weekly LIVE planner with reminders, Pre-LIVE compliance checklist, Post-LIVE recap journal, Ban-appeal templates, TikTok LIVE glossary, Diamond earnings calculator

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

**In-app purchases:** none


## Frequently asked questions

### Is FLS MOBILE free?

FLS MOBILE is free to download, with no in-app purchases.

### Is BlackOS free?

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

### Do FLS MOBILE or BlackOS have ads?

Neither FLS MOBILE nor BlackOS shows ads.

### Which is updated more often, FLS MOBILE or BlackOS?

FLS MOBILE ships an update every 2 months, and BlackOS every 3 months. Most recently, FLS MOBILE was updated on October 4, 2026 and BlackOS on October 8, 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.*