The prepaid meter, rebuilt without the screen that keeps breaking.
Smeter is a screenless IoT energy management system for both grid-tied apartments and off-grid solar installations. Removing the physical LCD and keypad — the two most common points of mechanical failure and tampering on a prepaid meter — shifts the entire control plane to a high-fidelity mobile app, communicating over NB-IoT/GSM for cloud sync and BLE for local, offline interaction. One embedded IoT core serves three audiences at once: simplified prepaid recharge for tenants, automated revenue settlement for landlords, and real-time battery/solar visibility for off-grid homeowners.
Physical failure points removed
Connectivity
Control plane
Everything Smeter does out of the box.
Screenless digital gatekeeper
No LCD, no keypad — the two parts of a prepaid meter most likely to fail mechanically or get tampered with are simply not there to break.
High-fidelity mobile app
Every interaction a screen and keypad used to handle — balance, recharge, alerts, history — moves to a native mobile app tenants and homeowners already carry.
NB-IoT/GSM cloud sync
The embedded core reports usage and status over cellular IoT connectivity, so landlords and platform operators see live data without a site visit.
BLE local pairing
Bluetooth Low Energy handles setup, firmware updates and offline interaction directly with the unit when a cellular connection isn't available.
Automated landlord settlement
Tenant recharges settle to the landlord automatically, replacing manual debt recovery and the delay of chasing down utility payments by hand.
Solar & battery visibility
Off-grid homeowners get real-time state-of-charge, solar harvest and source-switching data that used to require professional-grade industrial equipment.
From request to result.
Sensing & switching
The embedded IoT core meters live grid or solar draw and can remotely connect or disconnect supply.
Connectivity
Usage and status sync to the cloud over NB-IoT/GSM, with BLE available for local, offline interaction.
App control plane
Tenants, landlords and homeowners each see a role-specific view — balance and recharge, settlement, or battery/solar health.
Settlement & alerts
Recharges settle automatically to the right party, and low-balance, low-battery or tamper alerts push straight to the app.
What changes once it's running.
- Remove the two most common hardware failure points on a prepaid meter entirely
- Give off-grid solar homeowners real-time battery and harvest visibility without industrial monitoring gear
- Automate landlord revenue settlement instead of manual sub-meter debt recovery
- Cut tampering and bypass risk that targets exposed physical LCDs and keypads
Industries we serve.
“We stopped budgeting for replacement keypads every quarter, and I stopped manually chasing tenants for recharge receipts — the settlement just shows up.”
Emeka Nwosu
Property Operations Manager, A Lagos residential estate management firm
Common questions about Smeter.
Smeter is built app-first because that's where the reliability and cost gains come from, but landlord-assisted recharge and USSD-style fallbacks are part of the rollout plan for tenants without a compatible device.