Singapore's field-services landscape is dense and multi-trade: high-rise facilities management, lift and escalator maintenance, fire protection, M&E contracting, building services across HDB estates and commercial towers, plus fleet and lone-worker checks for the firms that service them.
These crews already coordinate over WhatsApp. Asking them to learn a separate inspection app adds friction and training cost, and the app is the first thing that gets skipped under time pressure.
Quickler meets them where they are. The worker has a normal WhatsApp conversation; the structure happens behind the scenes. Adoption is close to zero-effort because there is nothing new to open.