Compare up to 10 devices across categories. Keep the purpose and the source beside the numbers.
Lowest recorded store prices take priority over announced or launch prices, within the selected source market. Currencies use the dated EUR reference rates. Deposits and recurring charges are excluded from price order; missing prices stay last. Original price records remain visible.
NFC data sharing and supported access control
Keep in mind Manufacturer explicitly says no government certification for implantation. Header, description and detailed specs differ on accessible memory; both hardware and app limits are disclosed.
Contactless payment implant
Keep in mind Implant category, not an ordinary wearable. Service/country compatibility and implantation cost must be checked. Marketing claims of absolute safety or unhackability are not adopted.
Published specifications and documented constraints. See the full comparison below for prices and sources.
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| Frontier & researchAdd a model |  |  |
|---|---|---|
| Prices · all markets | €109.95 EUR≈ $123 USDECB 2026-10-12Lithuania-facing store · Store price · In stock in official structured offer 1 offer records & sources€109.95 EUR≈ $123 USDECB 2026-10-12 Lithuania-facing store · Store price In stock in official structured offerDangerous Things xSIID NFC + LED Implant, injector kit Includes VAT; professional installation cost separate. Not government certified for implantation.Check merchant offer ↗Price source ↗ Checked 2026-10-12 | €299 EUR≈ $334 USDECB 2026-10-12EU · Store price · In stock in official structured offer 1 offer records & sources€299 EUR≈ $334 USDECB 2026-10-12 EU · Store price In stock in official structured offerWalletmor Walletmor payment implant Implantation, supported account, and service-country requirements are separate.Check merchant offer ↗Price source ↗ Checked 2026-10-12 |
| Designed for | NFC data sharing and supported access control ↗ | Contactless payment implant ↗ |
| Form factor | 2.1 × 15 mm bioglass implant ↗ | Subdermal NFC implant ↗ |
| Sensors | None ↗ | Not verified |
| Power & output | Passive field-powered LED ↗ | Passive contactless payment-terminal field ↗ |
| Radio | 13.56 MHz ISO14443A / NFC Type 2 ↗ | NFC ↗ |
| Chip | NTAG I2C ↗ | Not applicable to this category |
| Memory | 1912 bytes chip memory; typical app support 888 writable bytes ↗ | Not applicable to this category |
| Payment | Not supported ↗ | Not applicable to this category |
| Installation | Sterile injector supplied ↗ | Professional installation arranged separately ↗ |
| Components | Not applicable to this category | NFC chip and antenna ↗ |
| Encapsulation | Not applicable to this category | Biopolymer ↗ |
| Account | Not applicable to this category | iCard account and activation required ↗ |
| Availability | Manufacturer explicitly says no government certification for implantation. Header, description and detailed specs differ on accessible memory; both hardware and app limits are disclosed. | Implant category, not an ordinary wearable. Service/country compatibility and implantation cost must be checked. Marketing claims of absolute safety or unhackability are not adopted. |
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| Editorial pick & release | No editorial ranking recorded | No editorial ranking recorded |
| Evidence | Manufacturer source Checked 2026-10-12 | Manufacturer source Checked 2026-10-12 |
Battery claims use different conditions and are not a controlled benchmark. “Not verified” is an evidence gap, not a missing feature. Prices are dated regional snapshots. Deposits, bundles and historical launch prices are labelled. Brightness measurement methods and battery workloads vary by manufacturer.
