# BluetoothVoiceAssistant vs D/4AM

The clearest difference is update cadence: BluetoothVoiceAssistant at every 3 days against D/4AM's every 3 weeks. BluetoothVoiceAssistant also leads on iOS requirement (9.0 vs 15.5). 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.

BluetoothVoiceAssistant ships an update every 3 days, D/4AM every 3 weeks. The most recent releases landed on October 7, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | BluetoothVoiceAssistant | D/4AM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (7 ratings)](https://appshunter.io/ios/app/d4am/id1404179282/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Monetization | — | Free |
| Size | 18 MB | 68 MB |
| Requires iOS | **9.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Airoha Technology Corp.](https://appshunter.io/developer/1097005482) | [Datch Inc](https://appshunter.io/developer/1750405023) |

## What reviewers say

### BluetoothVoiceAssistant

[App page](https://appshunter.io/ios/app/bluetoothvoiceassistant/id1260143314)

**Features:** macOS Compatibility

**In-app purchases:** none


### D/4AM

[App page](https://appshunter.io/ios/app/d4am/id1404179282)

This application streamlines on-site plant maintenance by integrating with SAP PM. It offers a user-friendly platform for managing tasks, enhanced by conversational AI and multimodal inputs for frontline workers.

**Highlights:** Real-time plant maintenance management, SAP PM integration, Intuitive user interface, Conversational AI, Multimodal inputs, Task management platform

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

**In-app purchases:** none


## Frequently asked questions

### Is BluetoothVoiceAssistant free?

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

### Is D/4AM free?

D/4AM is free to download, with no in-app purchases.

### Do BluetoothVoiceAssistant or D/4AM have ads?

Neither BluetoothVoiceAssistant nor D/4AM shows ads.

### Which is updated more often, BluetoothVoiceAssistant or D/4AM?

BluetoothVoiceAssistant ships an update every 3 days, and D/4AM every 3 weeks. Most recently, BluetoothVoiceAssistant was updated on October 7, 2026 and D/4AM on September 29, 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.*