# D vs BD Field Utility

The clearest difference is update cadence: BD Field Utility at every 5 days against D's every 5 months. D's advantage is iOS requirement (15.1 vs 18.6). 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.

D ships an update every 5 months, BD Field Utility every 5 days. The most recent releases landed on October 12, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | D | BD Field Utility |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 5 days** |
| Size | 23 MB | 44 MB |
| Requires iOS | **15.1** | 18.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [INFICON](https://appshunter.io/developer/901401219) | [Build Daily, LLC.](https://appshunter.io/developer/1864687149) |

## What reviewers say

### D

[App page](https://appshunter.io/ios/app/d-tek-pro/id6749635092)

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

**In-app purchases:** none


### BD Field Utility

[App page](https://appshunter.io/ios/app/bd-field-utility/id6762725851)

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

**In-app purchases:** none


## Frequently asked questions

### Is D free?

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

### Is BD Field Utility free?

BD Field Utility is free to download, with no in-app purchases.

### Do D or BD Field Utility have ads?

Neither D nor BD Field Utility shows ads.

### Which is updated more often, D or BD Field Utility?

D ships an update every 5 months, and BD Field Utility every 5 days. Most recently, D was updated on October 12, 2026 and BD Field Utility on October 16, 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.*