# FlashLock Assistant vs 4K MAESTRO Total Control

The clearest difference is update cadence: FlashLock Assistant at every 11 months against 4K MAESTRO Total Control's every 47 months. FlashLock Assistant also leads on iOS requirement (11.0 vs 15.2). 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.

FlashLock Assistant ships an update every 11 months, 4K MAESTRO Total Control every 47 months. The most recent releases landed on October 14, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | FlashLock Assistant | 4K MAESTRO Total Control |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/flashlock-assistant/id1457362620/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 months** | Every 47 months |
| Monetization | Free | — |
| Size | 50 MB | 2 MB |
| Requires iOS | **11.0** | 15.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Videx](https://appshunter.io/developer/1249090223) | [Affyy](https://appshunter.io/developer/1093477630) |

## What reviewers say

### FlashLock Assistant

[App page](https://appshunter.io/ios/app/flashlock-assistant/id1457362620)

This utility app facilitates Bluetooth communication with FlashBoxes for programming and data synchronization. It also supports battery testing and recording battery changes.

**Highlights:** Bluetooth communication with FlashBoxes, FlashBox programming, Data synchronization with CyberAudit-Web, Battery testing, Battery change recording

**Features:** macOS Compatibility

**In-app purchases:** none


### 4K MAESTRO Total Control

[App page](https://appshunter.io/ios/app/4k-maestro-total-control/id1534677667)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FlashLock Assistant free?

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

### Is 4K MAESTRO Total Control free?

4K MAESTRO Total Control is free to download, with no in-app purchases.

### Do FlashLock Assistant or 4K MAESTRO Total Control have ads?

Neither FlashLock Assistant nor 4K MAESTRO Total Control shows ads.

### Which is updated more often, FlashLock Assistant or 4K MAESTRO Total Control?

FlashLock Assistant ships an update every 11 months, and 4K MAESTRO Total Control every 47 months. Most recently, FlashLock Assistant was updated on October 14, 2026 and 4K MAESTRO Total Control 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.*