objManager vs BlitzGTD
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
objManager
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"objManager" is a Wavefront .OBJ file viewer (3D models with .obj + .mtl file extension). With "objManager" you will have the ability to: 1) save your 3D models on your mobile device 2) display the 3D models in any times and under any working condition (no Internet connection is required) 3) create images of your 3D model using the HD rendering procedure (with anti-aliasing and image enhancement filters) 4) choose the background color 5) move the light where You want in the 3D world The software does not need an internet connections: each 3D model is stored in your mobile device (using the technology "iTunes File Sharing" or "Open In") and can be read and visualized by objManager. objManager works like the integrated image viewer of the device, you can then: - ZOOM IN / ZOOM OUT the 3D model by dragging two fingers on the screen or using the ZOOM controls - Rotate the 3D model (ROTATE TOOL) by dragging a finger across the screen - Move the 3D model (PAN TOOL) using the PAN controls - Load the 3D model (from the obj files archive of objManager; 3D models are displayed in alphabetical order into the "obj Archive" of "objManager") - Save an infinite number of 3D models into the "obj Archive" of "objManager" (until the physical memory of the device is ended) - Share 3D models ( .obj files ) with File, Google Drive, DROPBOX, iFolders Safe, etc... or from iCloud Drive or other installed apps (cloud sharing: OUT) - Import 3D models from the web links, email attachments, File, Google Drive, DROPBOX, iFolders Safe, iCloud Drive or other installed apps (cloud sharing: IN) Compatibility with: 1) Maya 3D 2) Blender 3) 3D Studio 4) Finger3D 5) FingerCAD 6) Unity 7) 3D modeling software with export to .obj feature (or .obj + .mtl) If "objManager" is not enough for your aim, try the complete 3D modeler: Finger3D. "objManager" can also be used to view the .obj + .mtl models created with Finger3D in full screen (with orientation: Portrait).
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
Verdict
The clearest difference is price: BlitzGTD at Free against objManager's $0.99. BlitzGTD also leads on update cadence (every 4 days vs every 38 months) and device support (3 vs 1). objManager's advantage is in-app purchases (none vs 1). On ads and iOS requirement 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
BlitzGTD is free to download; objManager costs $0.99 up front. BlitzGTD sells 1 one-off in-app purchase. objManager asks for nothing beyond the download.
objManager ships an update every 38 months, BlitzGTD every 4 days. The most recent releases landed on October 1, 2026 and September 15, 2026 respectively.
| Parameter | objManager | BlitzGTD |
|---|---|---|
| Price | $0.99 | Free — better |
| Update frequency | Every 38 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone | iPhone, iPad, Mac — better |
| Requires iOS | 16.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 3 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | Gianluca Natalini | Sascha Krug |
In-app purchases
objManager
No in-app purchases
BlitzGTD
- BlitzGTD Pro$5.99









