Realty Software

SentriLock vs Supra eKEY

The second major Bluetooth lockbox standard in US real estate — officially endorsed by NAR and used in many state/regional MLSs.

~$14/mo (MLS dues)

Visit SentriLock

The industry-standard Bluetooth lockbox system (owned by ICE) — required in most US MLS markets for listing access.

~$17/mo (MLS dues)

Visit Supra eKEY

SentriLock vs Supra eKEY: feature comparison

Feature	SentriLock	Supra eKEY
Online Scheduling	✗	✗
Agent-to-Agent Messaging	✗	✗
Feedback Collection	✗	✗
Lockbox Integration	✓	✓
MLS Integration	✓	✓
Self-Tour Support	✗	✗
Brokerage Analytics	✓	✓
Mobile App	✓	✓

SentriLock — Pros & Cons

Pros

Official NAR-endorsed lockbox system
Bluetooth access via SentriKey app
Showing activity data
Wide MLS coverage in many regions

Cons

Not a choice — determined by your MLS
Hardware purchase required
Less widely deployed than Supra in some markets

Supra eKEY — Pros & Cons

Pros

Industry-standard access system
Bluetooth iBoxBT is fast and reliable
Showing activity feeds into ShowingTime
Integrated with most regional MLSs

Cons

Required hardware purchase for listings
Regional lock-in — Supra or SentriLock depending on MLS
Subscription via MLS, not directly

See all Showing Management →