Comparison

SMD vs Digital Materialization

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

Head to head
About

SMD

This tool for Apple Watch detects magnetic fields, offering detailed sensor views and customizable notifications. It provides polarity-specific haptic feedback and is recommended for Series 6 and later models for optimal performance.

Highlights
  • Magnetic field component monitoring (X, Y, Z)
  • Customizable sensitivity
  • Notification interval settings
  • Significant change detection alerts
  • Polarity-specific haptic feedback
  • Analog Watch Mode for optimal performance
Features
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SMD is a watchOS app that turns Apple Watch into a magnetic detector and provides haptic alerts for nearby magnetic field changes. You can switch between the analog clock screen and the Settings screen with a swipe. SMD offers two operating modes: Manual Mode and Motion Mode. In Manual Mode, detection starts and stops with a tap. In Motion Mode, raising the wrist starts the sensor, and briefly holding still completes the set process and makes the app ready to use. Lowering the wrist stops sensing. Motion Mode also supports tap-based OFF and re-set actions. Detection and alerts become active only after baseline acquisition is complete. Sensitivity can be adjusted from the Settings screen using the Digital Crown. The Settings screen shows ON / OFF status, X / Y / Z values, mode switching, sensitivity, and version information. When magnetic reference is inactive, X / Y / Z values are shown as -.--. Key Features - Magnetic detector functionality using Apple Watch - Haptic alerts - Manual Mode and Motion Mode - Sensitivity adjustment with the Digital Crown - X / Y / Z value display - Automatic polarity detection - Stable single-trigger alert behavior Important Notes - Do not use magnetic watch bands - Strong magnets may temporarily affect sensor readings - Apple Watch Series 10 or later is recommended

About

Digital Materialization

Features
Read full description

This App is used for the magic device called Digital Materialization created by David Penn.

Screenshots

Digital Materialization3 screens

Verdict

The call

The clearest difference is price: Digital Materialization at Free against SMD's $19.99. Digital Materialization also leads on iOS requirement (15.6 vs 26.0). On ads, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Digital Materialization is free to download; SMD costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences ยท 6 level
SMD versus Digital Materialization: the parameters behind the verdict, then further details
ParameterSMDDigital Materialization
Price$19.99Free โ€” better
Positive reviews50.0% of reviewsโ€”
Update frequencyWeeklyโ€”
AdsNoNo
In-app purchasesNoNo
MonetizationPaidโ€”
DevicesiPhone, Apple WatchiPhone, iPod
Requires iOS26.015.6 โ€” better
Further details โ€” not scored
Size1 MB47 MB
Age rating4+17+
DeveloperYOSHINOBU HONGOๅ†• ๅด

In-app purchases

None

SMD

No in-app purchases

None

Digital Materialization

No in-app purchases

Questions

Is SMD free?
SMD costs $19.99, with no in-app purchases.
Is Digital Materialization free?
Digital Materialization is free to download, with no in-app purchases.
Do SMD or Digital Materialization have ads?
Neither SMD nor Digital Materialization shows ads.

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