Lapsheet is a pool route planner for solo pool service technicians, on iPhone and iPad. Add the day's stops, tap Optimize to put the ones not done into nearest-next order (optionally from your current location), then tap Navigate to hand each stop to Apple Maps. Each stop has notes and a checklist, and you can ask by voice what's next. No account to create and no background GPS tracking: stops are saved on the phone. Free tier: up to 20 stops and 3 optimizes per session. Pro: $7.99/month or $59.99/year (US), one flat price per company. It does not do invoicing, payments, chemical logs, recurring schedules or a customer portal; companies that bill through their software are better served by a full field-service suite.