# AHD vs Dr. LED

The clearest difference is rating: Dr. LED at 5.0 against AHD's 3.0. Dr. LED also leads on update cadence (monthly vs every 12 months). AHD's advantage is iOS requirement (9.1 vs 13.0). On price, ratings volume, 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.

Dr. LED holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

AHD ships an update every 12 months, Dr. LED monthly. The most recent releases landed on October 3, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | AHD | Dr. LED |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/ahd-iamcs/id532543742/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/dr-led/id1041997733/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Monthly** |
| Monetization | Free | Free |
| Size | 34 MB | 21 MB |
| Requires iOS | **9.1** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Böning Automationstechnologie GmbH & Co. KG](https://appshunter.io/developer/532543745) | [Dynamic Engineering Inc.](https://appshunter.io/developer/1041997732) |

## What reviewers say

### AHD

[App page](https://appshunter.io/ios/app/ahd-iamcs/id532543742)

Visualize and remotely control ship functions like lights and air conditioning from your iPad or iPhone. Seamlessly integrate with existing onboard networks for maximum operational safety. Customize the interface and assign specific access levels for guests.

**Highlights:** Ship data visualization, Remote control of ship functions, Integration with onboard networks, Customizable graphical user interface, Operational safety features, Guest authorization levels

**Features:** macOS Compatibility

**In-app purchases:** none


### Dr. LED

[App page](https://appshunter.io/ios/app/dr-led/id1041997733)

This app helps users select and convert marine LED bulbs. It provides guidance for navigation lights (single, bicolor, tricolor) and interior/exterior lighting. Selections can be made based on incandescent bulb images, Ancor numbers, bulb trade numbers, or navigation light types.

**Highlights:** Marine LED bulb selection, Conversion guide, Navigation light options (single, bicolor, tricolor), Interior and exterior light options, Selection by incandescent image, Selection by Ancor/Trade numbers

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AHD free?

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

### Is Dr. LED free?

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

### Which has better reviews, AHD or Dr. LED?

Dr. LED is rated higher. AHD averages 3.0 out of 5 from 2 ratings, while Dr. LED averages 5.0 from 1 ratings.

### Do AHD or Dr. LED have ads?

Neither AHD nor Dr. LED shows ads.

### Which is updated more often, AHD or Dr. LED?

AHD ships an update every 12 months, and Dr. LED monthly. Most recently, AHD was updated on October 3, 2026 and Dr. LED on October 10, 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.*