Comparison

HeatMapper vs BlitzGTD

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

Head to head
About

HeatMapper

Features
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Ever wondered if a home is losing heat during the winter or cooling the outside during the summer? With HeatMapper, you can see exactly what’s happening. After you map out a home, you’ll be able to see differences in temperature, relative humidity, and moisture content.

About

BlitzGTD

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Are you weary of drowning in never-ending to-do lists and productivity tools that only add to the complexity? It is time to reclaim your time and energy with BlitzGTD, the ultimate personal productivity system designed to help you achieve more in less time! Forget about getting lost in convoluted methodologies and overwhelming task management. BlitzGTD takes the best principles from GTD (Getting Things Done) and supercharges them with a streamlined approach that will revolutionize the way you work. So, what sets BlitzGTD apart? Turbocharged Phases for Maximum Efficiency BlitzGTD introduces a powerful phased approach that aligns your tasks with modern agile methodologies: Today: Seize the Day Start every day fresh with the Today phase. Throw everything that comes your way in your Today list, keeping it short and focused. Prioritize, categorize, and handle tasks one by one. With BlitzGTD, you'll be in control, and tasks will flow smoothly from start to finish. Sprint: Accelerate Your Progress The Sprint phase is where you have tasks for the week. After completing your Today list, turn to the Sprint list for your next challenges. Keep it reasonable and stay on track towards your goals. Backlog: Fuel for the Future The Backlog phase is your treasure trove of ideas and tasks for future sprints. Store everything you want to tackle later. But don't let it become a graveyard! BlitzGTD keeps your Backlog active and tidy, ensuring you never lose sight of important tasks waiting for their time to shine. Archive: Remember Your Triumphs While others leave completed tasks in the dark, BlitzGTD celebrates your victories in the Archive phase. Preserve valuable information for years to come. You'll be amazed at how it aids recall and frees up mental space, especially when requests about past work come knocking. Schedule: Time Your Success For tasks with specific deadlines or time-sensitive requirements, the Schedule phase is your trusty ally. Pinpoint when tasks should be pushed to your Today list. Add reminders or set up recurring schedules effortlessly. Stay on top of your commitments with ease. Unleash Your Potential with Smart Planning BlitzGTD's planning events empower you to take charge of your day and week: Daily Event: Conquer Each Day Start your day with the Daily event. Once a day, dive into your calendar, Today, and Sprint lists. With a clear vision of what lies ahead, you'll arrange tasks strategically, ensuring a productive day ahead. No more aimless scrambling—BlitzGTD keeps you focused on what matters most. Weekly Event: Command Your Week Before each week unfolds, the Weekly event grants you the power to harness its potential fully. Take a dedicated moment to review your calendar, Sprint, and Backlog. Fine-tune your plan, ensuring a well-structured, intentional week. Say goodbye to overwhelm and hello to balanced productivity. BlitzGTD provides versatile features to tackle even the most complex tasks effortlessly: Simple hierarchy: Where Complexity Finds Clarity No more going into the rabbit hole. Tasks have Sub-Tasks and that's it. You work on a complex project? Yeah, that's the task. The detailed planning is done in the linked project planning tool, which does it the best. Embrace simplicity like never before, while keeping your workflow simple and organized. Tags: Context, Simplified Forget about rigid folders and categories. BlitzGTD embraces the power of tags as first-class citizens. Use 1-2 tags to add context and gain a holistic overview of your tasks. No more decision paralysis—simply tag and go! Attachments: Secure what is necessary Upload images or files that are part of the task to have everything in one place. No more searching for the screenshot! See https://blitzgtd.fa-krug.de/blitzgtd/ for an even deeper introduction. Also available on MacOS with full real-time sync! Attributions - https://hotpot.ai/ Legal Notice: https://blitzgtd-krug.de/legalnotice/

Screenshots

BlitzGTD4 screens

Verdict

The call

The clearest difference is in-app purchases: HeatMapper at none against BlitzGTD's 1. HeatMapper also leads on iOS requirement (15.0 vs 17.0). BlitzGTD's advantage is update cadence (every 4 days vs every 7 months) and device support (3 vs 1). On price and ads 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. BlitzGTD sells 1 one-off in-app purchase. HeatMapper asks for nothing beyond the download.

UpkeepUpdate frequency

HeatMapper ships an update every 7 months, BlitzGTD every 4 days. The most recent releases landed on October 5, 2026 and September 15, 2026 respectively.

Scorecard4 real differences · 2 level
HeatMapper versus BlitzGTD: the parameters behind the verdict, then further details
ParameterHeatMapperBlitzGTD
PriceFreeFree
Update frequencyEvery 7 monthsEvery 4 days — better
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPadiPhone, iPad, Mac — better
Requires iOS15.0 — better17.0
Further details — not scored
Size26 MB22 MB
Age rating4+4+
DeveloperContractor Nation CorporationSascha Krug

In-app purchases

None

HeatMapper

No in-app purchases

1 purchases

BlitzGTD

One-time1
  • BlitzGTD Pro$5.99

Questions

Is HeatMapper free?
HeatMapper is free to download, with no in-app purchases.
Is BlitzGTD free?
BlitzGTD is free to download, with in-app purchases available.
Do HeatMapper or BlitzGTD have ads?
Neither HeatMapper nor BlitzGTD shows ads.
Which is updated more often, HeatMapper or BlitzGTD?
HeatMapper ships an update every 7 months, and BlitzGTD every 4 days. Most recently, HeatMapper was updated on October 5, 2026 and BlitzGTD on September 15, 2026.

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