Comparison

MHD Flasher N54 vs Deep Tools

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

MHD Flasher N54

This utility app allows reading and clearing engine DTC error codes, graphing and analyzing datalogs, and viewing vehicle licenses. It serves as a transition to a unified app supporting a wider range of BMW and Supra models.

Highlights
  • Read engine DTC error codes
  • Clear engine DTC error codes
  • Graph datalogs
  • Analyze datalogs
  • View vehicle licenses
  • Access user guide
Features
Read full description

This app is being retired. Please switch to our unified "MHD Flasher" app which now supports all E/F/G series vehicles / engines as well as Supra. This app will remain as a shell to help you switch over. Additionally, some functionality will remain to read and clear engine DTC error codes, graph and analyze your prior datalogs, view your existing vehicle licenses, and access the user guide!

About

Deep Tools

This comprehensive dive toolkit helps recreational, advanced, and technical divers plan dives, log underwater adventures, and blend gases. It offers advanced planning tools, dive computer import, and essential calculations for safe and efficient diving.

Highlights
  • Advanced Deco Planner
  • Dive Log with Shearwater import
  • Gas Blender for Trimix/Nitrox
  • Maximum Operating Depth (MOD) calculator
  • No Decompression Limit (NDL) tracking
  • Metric and Imperial units
Features
Read full description

The Complete Dive Toolkit Deep Tools is a must-have application for recreational, advanced, and technical divers. Whether you are learning to dive, planning complex decompression dives, or logging your underwater adventures, Deep Tools provides reliable tools you can trust. Import dives directly from your Shearwater dive computer, plan dives using the advanced Deco Planner, or use the app as a practical learning aid during your dive training. Tools included:
 - Maximum Operating Depth (MOD) - Oxygen Partial Pressure (ppO₂) - Equivalent Air Depth (EAD) - Equivalent Narcotic Depth (END) - Equivalent Air Density Depth (EADD) - No Decompression Limit (NDL) - Best Trimix for depth - Best Nitrox for depth - Gas consumption and density - Calculator for lifting bag Dive Log: * - Import dives from Shearwater dive computers (Petrel, Perdix, NERD, Teric, etc.) - Log dive sites with name, coordinates, and custom tags - Automatically merge dives with short surface intervals - Share logged dives with your buddies - Create local backups or migrate data to another device Advanced Dive Planner: * Plan complex dives with confidence, whether on Open Circuit (OC) or Rebreather (CCR): - Repetitive dive planning - Bühlmann ZH-L16B and ZH-L16C with Gradient Factors - Gas consumption, CNS, and OTU calculations - Visual dive profile, text plan, pressure graph, and slate view - Lost gas planning - CCR Bailout planning - Multiple point dive plan with custom bailout points - Share dive plans with friends Gas Blender: * Prepare accurate breathing gas mixtures: - Trimix and Nitrox blending - Mix to desired gas - Mix with Top-off gas - Continuous flow blending Additional Features - Metric and Imperial units - Adjustable altitude and water type (EN13319, salt, fresh) - Set your altitude - Custom tank / cylinder database * Advanced features are available with a subscription or during the free trial. Special thanks to V. Paul Gordon, Serge Nelissen and Michael Heus for extensive testing and valuable contributions! Terms of Service: http://www.deepblue.si/privacy/terms-of-service.php

Screenshots

MHD Flasher N544 screens
Deep Tools4 screens

Verdict

The call

The clearest difference is in-app purchases: MHD Flasher N54 at none against Deep Tools's 3. MHD Flasher N54 also leads on review sentiment (77% vs 50%) and iOS requirement (10.2 vs 15.6). On price, rating, ratings volume and update cadence 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Deep Tools sells 3 in-app purchases, starting at $2.99 per month. MHD Flasher N54 asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for MHD Flasher N54 against 4.6 for Deep Tools. Both are backed by a comparable volume of ratings — 174 and 93 respectively. Written reviews are what separate them: 77% of MHD Flasher N54's written reviews are positive against 50% of Deep Tools's.

UpkeepUpdate frequency

MHD Flasher N54 ships an update monthly, Deep Tools every 6 weeks. The most recent releases landed on September 21, 2026 and September 15, 2026 respectively.

Scorecard4 real differences · 6 level
MHD Flasher N54 versus Deep Tools: the parameters behind the verdict, then further details
ParameterMHD Flasher N54Deep Tools
PriceFreeFree
Rating4.6 (174 ratings)4.6 (93 ratings)
Positive reviews76.8% of reviews — better50.0% of reviews
Number of ratings174 — better93
Update frequencyMonthly — betterEvery 6 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS10.2 — better15.6
Further details — not scored
Size134 MB12 MB
Age rating4+4+
DeveloperMHD Tuning UG (haftungsbeschraenkt)Deep Blue d.o.o.

Customer experience

MHD Flasher N54

All ratings174 ratings
Positive90.8%
Neutral1.1%
Negative8.0%
Written reviews69 reviews
Positive76.8%
Neutral5.8%
Negative17.4%

Deep Tools

All ratings93 ratings
Positive91.4%
Neutral2.2%
Negative6.5%
Written reviews6 reviews
Positive50.0%
Neutral16.7%
Negative33.3%

In-app purchases

None

MHD Flasher N54

No in-app purchases

3 purchases

Deep Tools

Subscriptions2
  • Subscription Monthly$2.991 Month
  • Subscription Yearly3 Days trial$17.991 Year
One-time1
  • Lifetime Subscription$39.99

Questions

Is MHD Flasher N54 free?
MHD Flasher N54 is free to download, with no in-app purchases.
Is Deep Tools free?
Deep Tools is free to download, with in-app purchases available.
Which has better reviews, MHD Flasher N54 or Deep Tools?
MHD Flasher N54 and Deep Tools are both rated 4.6 out of 5 on the App Store, from 174 and 93 ratings respectively.
Do MHD Flasher N54 or Deep Tools have ads?
Neither MHD Flasher N54 nor Deep Tools shows ads.
Which is updated more often, MHD Flasher N54 or Deep Tools?
MHD Flasher N54 ships an update monthly, and Deep Tools every 6 weeks. Most recently, MHD Flasher N54 was updated on September 21, 2026 and Deep Tools on September 15, 2026.

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