Comparison

DPM Scan Pro vs sketchbookDuo

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

Head to head
About

DPM Scan Pro

Features
Read full description

Scanning app for robust and fast scanning of DPM (Direct Part Markings) DataMatrix and QR codes. Scanned results can be delivered directly to the web browser via API settings or to a message queue via MQTT. Features: - Scans Direct Part Markings (DPM) and Dot Pen Matrix codes robustly and reliably. Whether needle stamped, laser marked or additive direct marking from 3D printer. Works on metallic surfaces such as 1.4404 stainless steel or as well as plastics such as PA12. - Also scans many classic (black and white) 2D and 1D barcodes robustly and reliably - API connection to third party system via MQTT for wireless transmission/transfer of scanned codes. If you have any questions, please feel free to contact us! - Triggered Scanning Mode: This option can be enabled in the settings. It ensures that scan results are only captured when the button is pressed. - Batch Scanning: Capture multiple scans quickly and efficiently in one session. - Bulk scanning (former batch scanning) to decode multiple codes at once - BT Scanning

About

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.

Highlights
  • Grid-based editor
  • File management
  • Device connection
  • Marking control
  • Customizable grids
Features
Read full description

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

DPM Scan Pro3 screens
sketchbookDuo4 screens

Verdict

The call

DPM Scan Pro and sketchbookDuo are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

DPM Scan Pro ships an update monthly, sketchbookDuo every 3 weeks. The most recent releases landed on October 14, 2026 and October 13, 2026 respectively.

ScorecardNo meaningful differences
DPM Scan Pro versus sketchbookDuo: the parameters behind the verdict, then further details
ParameterDPM Scan ProsketchbookDuo
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyMonthlyEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.6
Further details — not scored
Size18 MB5 MB
Age rating17+4+
DeveloperAdditive Marking GmbHTocho Marking Systems, Inc.

In-app purchases

None

DPM Scan Pro

No in-app purchases

None

sketchbookDuo

No in-app purchases

Questions

Is DPM Scan Pro free?
DPM Scan Pro is free to download, with no in-app purchases.
Is sketchbookDuo free?
sketchbookDuo is free to download, with no in-app purchases.
Do DPM Scan Pro or sketchbookDuo have ads?
Neither DPM Scan Pro nor sketchbookDuo shows ads.
Which is updated more often, DPM Scan Pro or sketchbookDuo?
DPM Scan Pro ships an update monthly, and sketchbookDuo every 3 weeks. Most recently, DPM Scan Pro was updated on October 14, 2026 and sketchbookDuo on October 13, 2026.

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