Dr. LED vs Plan M8
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Dr. LED
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.
- 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
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Marine LED bulb selection / conversion guide for Dr. LED bulbs. LED bulbs for single/bicolor/tricolor navigation lights and for interior and exterior lights. Selections from 1) Incandescent Bulb Images, 2) Ancor #, 3) Bulb Trade #, or 4) Navigation Lights.
Plan M8
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Yacht Maintenance Made Easy - Designed for marine engineers, captains and owner or operators. Improves reliability, saves time, and creates transparency. Implementing a structured planned maintenance schedule such as Plan M8 not only ensures your equipment and machinery on board is maintained through continuous monitoring at all times, It assures all your yacht maintenance is planned. Plan M8 provides a comprehensive and structured task-based scheduling of all required, recommended and manufacturer specific planned maintenance tasks of a vessel's components. Plan your maintenance ahead of time, pre-order spares and never miss a component with our pre-generated templates for your vessel. You will see a reduction in downtime and the need for emergency repairs as equipment is maintained before it fails. Operating costs are reduced as optimum service life is given to components. As you continue to use Plan M8, a detailed maintenance log of your vessel is being build. Proper records will be kept that can be easily passed onto new crew, contractors, surveyors, and prospective buyers. Get more transparency about your yacht maintenance status with all involved through our easy-to-use application; your "Plan Mate".
Screenshots
Verdict
The clearest difference is update cadence: Plan M8 at fortnightly against Dr. LED's monthly. Dr. LED's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Dr. LED ships an update monthly, Plan M8 fortnightly. The most recent releases landed on September 23, 2026 and September 27, 2026 respectively.
| Parameter | Dr. LED | Plan M8 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Monthly | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 21 MB | 51 MB |
| Age rating | 4+ | 4+ |
| Developer | Dynamic Engineering Inc. | coara OU |
In-app purchases
Dr. LED
No in-app purchases
Plan M8
No in-app purchases









