# WrenchInvoice — Simple mechanic invoicing

> Simple mechanic invoicing (iPhone/iPad app by isaac shaffer.)

- Source: https://appshunter.io/ios/app/wrenchinvoice/id6759690172 (this page in markdown: same URL + `.md`)
- Developer: [isaac shaffer](https://appshunter.io/developer/1880218446)
- Category: Business, Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 26.0 · 3 MB
- Languages: American English
- Released: 2026-03-03
- Data updated: 2026-08-31
- User reviews in markdown: https://appshunter.io/ios/app/wrenchinvoice/id6759690172/reviews.md

## What is WrenchInvoice?

WrenchInvoice is a fast, simple invoicing app built for independent auto mechanics. Create professional invoices by voice or manual entry, then share them as PDFs via text message — all in under a minute.

VOICE-POWERED INVOICING
Just tap record and describe the job. WrenchInvoice uses on-device intelligence to extract the client, vehicle, parts, and labor from your spoken description and builds a complete invoice automatically.

MANUAL ENTRY
Prefer to type? Create invoices with an intuitive editor featuring saved vehicle quick-select, parts and labor line items, and Michigan sales tax calculation on parts.

BUILT FOR MICHIGAN MECHANICS
• Tax on parts only — Michigan sales tax law compliant
• 6% default tax rate, adjustable per invoice
• Professional PDF invoices with your business name and payment details

KEY FEATURES
• Manage clients and their vehicles in one place
• Auto-incrementing invoice numbers
• Job timer with Lock Screen Live Activity — tap to start, hours go straight into the invoice
• "Same as last time" copies parts, labor, and vehicle from a client's previous job
• Text templates for common messages: vehicle ready, parts came in, payment reminder
• Batch payment reminders — notify all clients with unpaid invoices in one tap
• Revenue dashboard with 12-month chart and year-to-date breakdown
• 28-point vehicle inspection checklist — generate and text a PDF report to the client
• Find clients and invoices from Spotlight search
• Share invoices as PDF via Messages, email, or any app
• Accept payments via Cash App and Venmo with QR codes on invoices
• Estimates and Quick Quotes for fast pricing
• Siri and Action Button shortcuts for hands-free use
• Works entirely offline — no account, no subscription, no backend


## Version history (last 2 releases)

### 1.2 — 2026-03-11

Job Timer — Tap the clock on any client to start a live timer. When you stop, hours are rounded to the nearest 15 minutes and dropped straight into a new invoice. Timer stays visible on your Lock Screen via Live Activity.

Text Templates — Send common messages (vehicle ready, parts came in, payment reminder, estimate follow-up) to clients in one tap with pre-filled SMS.

Same as Last Time — One button copies parts, labor, and vehicle from a client's most recent invoice into the current one. Great for repeat jobs like oil changes.Payment Reminders — Batch-remind all clients with unpaid invoices. Tap the bell icon on the main screen to send reminders one by one.

Revenue Summary — New chart showing 12 months of collected vs. outstanding revenue, plus year-to-date totals for parts, labor, and tax collected.

Vehicle Inspection Checklist — 28-point diagnostic checklist across 7 categories (brakes, tires, fluids, engine, undercarriage, lights, HVAC). Generate a PDF report and text it to the client.

Spotlight Search — Find clients and invoices from your home screen. Results update automatically as you create and edit.

Bug fix: Quick Quote PDF now generates instantly instead of a 5-second delay.

### 1.0 — 2026-03-04

No release notes.

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## Related topics

[mechanic invoice](https://appshunter.io/ios/topics/mechanic-invoice)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-31.*