Solo Work Tools
Calculators and guides for shift workers, one-person trades and small service businesses.
Free calculators and plain guides for people who run their own work: checking a paycheck against logged shifts, the real yearly cost of subscriptions, contractor estimates and invoices, and client booking without the back-and-forth.
The apps behind these pages
Every page here is written by the small studio that makes these iPhone apps. All of them are free to download; we say what each one does only as the App Store listing shows it, and we say who should pick something else.
EarnCheck: Shift & Pay Trackerlog shifts, see what the paycheck should be.Free on iPhone
MoneyShield: Sub Trackerevery subscription, renewal dates, yearly cost.Free on iPhone
ScopeBid: Estimate & Invoiceestimates and invoices for one-person trades.Free on iPhone
BookingSolved: Client Bookingclient bookings without the back-and-forth.Free on iPhone
How these pages are written
One real thing per pageA working calculator, a playable demo, a printable, or a comparison checked against the App Store on the day it was written.
Sources in the sentenceWhere a page states a fact, the source and its date sit right next to it. No invented statistics, reviews or awards.
No tracking, no email gateNo cookies, no popups, no newsletter capture. Cloudflare's cookie-less analytics only.
Latest pages
- Estimate app vs spreadsheet vs paper (decision chart)Contractor estimate app vs spreadsheet vs paper pad for a one-person trade: a click-through decision chart, a pre-send checklist and where each breaks.
- Paycheck doesn't match hours worked? 14 answersPaycheck doesn't match hours worked? Fourteen plain answers for shift workers: overtime, breaks, overnight shifts, what to say to payroll, who to call.
- Subscription trackers that don't link your bankEight iPhone subscription trackers compared (4 Nov 2026): which need a bank login, which run on manual entry, and who should pick what.