GRX25 vs sketchbookDuo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GRX25
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The official event app for The Global Resources Innovation Expo. Features include: Access the full GRX25 Program, bookmark sessions, and take notes View the Exhibition floor plan and key event locations Get real-time event updates Message conference delegates and post to the activity feed
sketchbookDuo
Design, manage, and send marking data to compatible devices. Features a grid-based editor for precise text placement and robust file management for marking jobs. Connects wirelessly for efficient control of marking tasks.
- Grid-based editor
- File management
- Device connection
- Marking control
- Customizable grids
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sketchbookDuo is the official companion app for MarkinBox and Patmark devices. With sketchbookDuo, you can easily design, manage, and send marking data directly from your iPhone or iPad to your MB3 device. Key Features • Grid-based editor – Create and place text precisely on customizable grids (80×20, 33×15, 15×15). • File management – Save, load, rename, overwrite, and delete local marking files (.bppg). • Device connection – Connect to MB3 devices quickly over Wi-Fi. • Marking control – Start, pause, and send marking jobs with one tap. • Settings – Adjust grid sizes and prepare for future features. sketchbookDuo is designed for professionals who need precision and efficiency in portable marking. Whether in the workshop or on-site, MB3App makes marking tasks simpler, faster, and more reliable.
Screenshots
Verdict
The clearest difference is iOS requirement: GRX25 at 10.0 against sketchbookDuo's 16.6. 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.
| Parameter | GRX25 | sketchbookDuo |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | — | Fortnightly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 10.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 12 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Austmine Limited | Tocho Marking Systems, Inc. |
In-app purchases
GRX25
No in-app purchases
sketchbookDuo
No in-app purchases
Questions
Is GRX25 free?
Is sketchbookDuo free?
Do GRX25 or sketchbookDuo have ads?
Other comparisons
