# FlashLock Assistant vs PromoKit

The clearest difference is in-app purchases: FlashLock Assistant at none against PromoKit's 1. FlashLock Assistant also leads on iOS requirement (11.0 vs 18.0). PromoKit's advantage is update cadence (daily vs every 11 months). On price, ads and device support there is nothing between them.

Both are free to download. PromoKit sells 1 one-off in-app purchase. FlashLock Assistant asks for nothing beyond the download.

FlashLock Assistant ships an update every 11 months, PromoKit daily. The most recent releases landed on October 14, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | FlashLock Assistant | PromoKit |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Daily** |
| Monetization | Free | — |
| Size | 50 MB | 19 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Videx](https://appshunter.io/developer/1249090223) | [Jan Armbrust](https://appshunter.io/developer/1508721475) |

## 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


### PromoKit

[App page](https://appshunter.io/ios/app/promokit/id6739035369)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Lifetime | $2.99 | one-time |


## Frequently asked questions

### Is FlashLock Assistant free?

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

### Is PromoKit free?

PromoKit is free to download, with in-app purchases available.

### Do FlashLock Assistant or PromoKit have ads?

Neither FlashLock Assistant nor PromoKit shows ads.

### Which is updated more often, FlashLock Assistant or PromoKit?

FlashLock Assistant ships an update every 11 months, and PromoKit daily. Most recently, FlashLock Assistant was updated on October 14, 2026 and PromoKit on October 3, 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.*