Signed URL vs MDDM Smartcard
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Signed URL
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This APP demonstrates how an NHS3100 NTAG SmartSensor can be used for passive temperature monitoring. Besides this iOS APP, one needs to have the NHS3100 starter kit with the demo board. Other supported demonstration boards will become available. - Use the APP to configure the firmware - Use the background reading or a generic NFC reading APP such as NXP's Tag Info to read out the dynamically created URL and launch it in your webbrowser. The NTAG SmartSensor range of ICs extends NXP's NFC portfolio of passive NFC tags and smart electronic devices. NTAG SmartSensor devices are single-chip solutions combining the now ubiquitous NFC smartphone connectivity with autonomous sensing, data processing and validation, and logging. The NTAG SmartSensor is easy to use in an application by simply adding an NFC antenna and a battery. The devices are also versatile and can be easily combined with other companion chips like radios or sensor solutions. This APP interacts with the NXP's NHS3100 IC, optimized for temperature monitoring and logging. The temperature sensor offers an absolute accuracy of 0.3C. Each chip comes pre-calibrated and NXP provides a certificate with NIST traceability, easing the use of this IC for medical and pharmaceutical applications. NXP delivers for the NHS3100 a starter kit which is available for both macOS and Windows. Through this starter kit, developers can implement their own use cases, starting with this basic use case of temperature logging. NXP delivers the example code for both this iPhone APP and the corresponding firmware for the NHS3100. The starter kit can be ordered via the NXP website and NXP’s distribution partners worldwide. Visit https://www.nxp.com/ntagsmartsensor for more information.
MDDM Smartcard
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MDDM smartcard is solution to verify & identify the validity of MDDM’s members by utilizing the MyORI SmartSecure Platform. MyOri platform offer an easier & secure verification method that is accessible for the public. Each MDDM member will receive a MDDM Membership Card. This card can be verified with a simple tap of a smartphone. Public user can also check the MDDM member list. Note: An NFC-equipped device is required.
Screenshots
Verdict
The clearest difference is update cadence: MDDM Smartcard at every 4 weeks against Signed URL's every 22 months. 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.
Signed URL ships an update every 22 months, MDDM Smartcard every 4 weeks. The most recent releases landed on September 22, 2026 and September 21, 2026 respectively.
| Parameter | Signed URL | MDDM Smartcard |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 22 months | Every 4 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 39 MB | 16 MB |
| Age rating | 4+ | 17+ |
| Developer | NXP Semiconductors | MyOri Services Sdn Bhd |
In-app purchases
Signed URL
No in-app purchases
MDDM Smartcard
No in-app purchases
Questions
Is Signed URL free?
Is MDDM Smartcard free?
Do Signed URL or MDDM Smartcard have ads?
Which is updated more often, Signed URL or MDDM Smartcard?
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