Comparison

Service Tech Work Orders Plus vs Invoice Maker

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Service Tech Work Orders Plus

Manage field service operations with this comprehensive app. Schedule appointments, create professional invoices and estimates, track client information, and analyze financial data. All your business management tools in one place, offline.

Highlights
  • Client-focused scheduling
  • Professional invoicing and estimates
  • Contact management with direct communication
  • Inventory and labor tracking
  • Profit & Loss analysis
  • Offline data storage
  • Customizable document formats
Features
Read full description

Service Tech is a complete management app for all types of professional in Field service providers. It maintains a client focused schedule of your appointments. Integrated with your client contact info you can quickly create invoices and track your important accounts. Reasonable One-Time Price There are no monthly or annual fees to use your app. Powerful invoicing function is included to create, email and print all types of sales and service invoices. Invoice entry you can visualize the completed invoice as you go. The invoice entry view all of your transactions can be tailored to the unique needs of your business. There is extensive profit & loss analysis. This comprehensive business app provides complete financial information including inventory control and Profit & Loss Info. All information is maintained on your device and there is no need for connectivity or outside servers as is common with many of the more sophisticated business apps. Highlights: Project Pro Create cost plus type estimates and invoices with multiple levels and phases. Use Craftsman and your items with included descriptions and costs. Scheduler - The calendar on steroids. Select client names from your contacts and add the service information to the appointment. Create reminders, complete and invoice the transaction, view contact management info and send confirmations. All right from the appointment. View multiple calendars, set alerts, search history. Contact Management - Store notes, images and track other communications with your clients and have the in app ability to call, text, email or map without leaving your app. Labor, Parts & Supplies are maintained in the app with detailed multi-line descriptions, costs, price and units of measure & on hand quantities. These can be added on-the-fly or maintained from your stored items. Invoices are automatically created from your Estimates and support multiple payment methods. Maintain PAID and OPEN status of your invoices. Multiple sales tax rates. Your logo, detailed terms and conditions and other messages are automatically displayed. Estimates - In App Purchase required. Create detailed and professional looking estimates at the client site that may be immediately emailed or printed. Track the status of each Estimate from Draft to Email to Approved. Document Manager Document Design & Delivery- Change document formats, images, fonts, colors, and field names. Use your local language and terms. Batch deliver Printed & Email docs. Signature Capture of approved Estimates with an update of Status. Invoices and Estimates may be copied for editing and reuse with other clients. Financial Information - Is instantly available for any client, job or timeframe with just a few taps. Information may be viewed on screen or downloaded for further analysis with any spreadsheet. Help and Support - Context sensitive help shows by topic as well as how to movies. Email, text and phone support provides to help with any questions or issues. In-App Purchases Cloud Sync Automatically synchronize your information utilizing iCloud technology. For up to five devices this In App will keep your business info inSync and available on all your devices! Messages & Reminders Create Appointment Reminders automatically from your schedule using text or email. Profits and Reports Profits provides a complete financial system that tracks all sales, purchases and expenses. Includes ALL formatted PDF Reports that can be printed. + Spreadsheet Download Download your financial info and backup your info. Craftsman Cost Books This is the #1 info source for Construction Labor & Materials Cost Information. With over 15,000 labor and material items the info contained in these saves time required for creating project estimates and eliminates costly pricing errors. Recurring Service Repetitive Services entry and automatic weekly, semiweekly or monthly release for maintenance and other service providers.

About

Invoice Maker

Create and send professional invoices and estimates quickly from your phone. Organize your finances with easy tracking and notifications when clients open your bills. Customize invoices with details like taxes, discounts, and signatures.

Highlights
  • Create invoices in under a minute
  • Generate invoices from estimates
  • Customize invoice templates
  • Add discounts, taxes, and signatures
  • Track invoice status and client opens
  • Sync across devices
  • Generate income reports
Features
Read full description

Invoice Fly is the easiest way to create and send professional invoices to your clients. It’s perfect for small businesses, freelancers and contractors. Whether you need to create and invoice or estimate, Invoice Fly is the #1 invoice app for the job. Keep your finances organized with Invoice Fly, where you can easily create, send and track invoices on your phone. You will be able to configure as many details as you need, adding payment information, taxes, withholding, due dates, extra images, discount, signature and more. Also, you will be notified when the customer receives and opens your invoice. Features: -Create invoices in less than a minute, anywhere you are. -Generate invoices from estimates with a tap. -Choose from different invoice templates and customize them. -Attach images and additional notes. -Discounts per item or total. -Taxes per item or total. -Add signature. -Share or print invoices on the go. -Quickly setup clients from your phone contact list. -Sync all your devices with the same account. -Track your incomes with easy to use reports. -Get notified when the client receives and opens your invoice. -24/7 support Creating and sending an invoice has never been so easy: Step 1: Tap create invoice Step 2: Select your client to bill, easily from your contacts Step 3: Add the desired items and prices Step 4: You are ready to go, save and send. Privacy Policy: https://www.invoicefly.com/privacy-policy Terms of use: https://www.invoicefly.com/terms-and-cond

Screenshots

Service Tech Work Orders Plus4 screens
Invoice Maker4 screens

Verdict

The call

The clearest difference is price: Invoice Maker at Free against Service Tech Work Orders Plus's $7.99. Invoice Maker also leads on rating (4.8 vs 4.2) and update cadence (weekly vs every 3 months). Service Tech Work Orders Plus's advantage is iOS requirement (13.0 vs 15.6). On review sentiment, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Invoice Maker is free to download; Service Tech Work Orders Plus costs $7.99 up front. Service Tech Work Orders Plus sells 10 one-off in-app purchases and Invoice Maker sells 20 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Invoice Maker holds the better App Store score, 4.8 against 4.2. That said, the two scores are not equally well evidenced: Invoice Maker has 109K ratings behind it against 13, so its average is the more settled of the two. Written reviews point the same way: 82% of Service Tech Work Orders Plus's written reviews are positive against 86% of Invoice Maker's.

UpkeepUpdate frequency

Service Tech Work Orders Plus ships an update every 3 months, Invoice Maker weekly. The most recent releases landed on October 2, 2026 and October 18, 2026 respectively.

Scorecard7 real differences · 4 level
Service Tech Work Orders Plus versus Invoice Maker: the parameters behind the verdict, then further details
ParameterService Tech Work Orders PlusInvoice Maker
Price$7.99Free — better
Rating4.2 (13 ratings)4.8 (109K ratings) — better
Positive reviews81.8% of reviews85.9% of reviews — better
Number of ratings13109K — better
Update frequencyEvery 3 monthsWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationPaidFree with in-app purchases — better
Best chart rank—#6 — better
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS13.0 — better15.6
Further details — not scored
Size124 MB242 MB
Age rating4+4+
DeveloperJZ Mobile LLCLabhouse Mobile

Customer experience

Service Tech Work Orders Plus

All ratings13 ratings
Positive84.6%
Neutral0.0%
Negative15.4%
Written reviews11 reviews
Positive81.8%
Neutral0.0%
Negative18.2%

Invoice Maker

All ratings109,353 ratings
Positive93.8%
Neutral2.9%
Negative3.3%
Written reviews2,315 reviews
Positive85.9%
Neutral2.9%
Negative11.2%

Bugs and requests

Service Tech Work Orders Plus

Not enough reviews yet to summarise bugs or requests.

Invoice Maker

Reported bugs

3 issues
  • Issues with invoice conversion
  • Inability to view past invoices
  • Inconsistent PDF generation

Requested features

4 requests
  • Ability to convert estimates to invoices
  • Option to save invoices as PDFs
  • Integrate with more payment processors
  • Improved reporting and analytics

In-app purchases

10 purchases

Service Tech Work Orders Plus

One-time10
  • Messages & Reminders$3.99
  • Estimates Bids & Quotes 2$3.99
  • Scheduler$3.99
Show 7 more
  • Auto Service Calls$4.99
  • Cloud Sync Secure Data Sharing$6.99
  • Profits Expenses & PDF Reports$6.99
  • All Productivity In-Apps$9.99
  • Monthly Statements$14.99
  • Craftsman NCE Cost Book$14.99
  • Mac User Full License$19.99
20 purchases

Invoice Maker

Subscriptions19
  • Invoice Fly Weekly3 Days trial$6.997 Days
  • Invoice Fly Weekly7 Days trial$8.997 Days
  • Invoice Fly Weekly3 Days trial2 variants$8.997 Days
Show 16 more
  • Invoice Fly Weekly2 variants$8.997 Days
  • Invoice Fly Weekly3 Days trial$9.997 Days
  • Invoice Fly Weekly7 Days trial2 variants$9.997 Days
  • Invoice Fly Weekly$9.997 Days
  • Invoice PRO Premium (Trial)1 Month trial$12.991 Month
  • Invoice Fly Premium$17.991 Month
  • Unlimited Invoicing$17.991 Month
  • Invoice Fly Monthly3 Days trial$17.991 Month
  • Invoice Fly Monthly7 Days trial$17.991 Month
  • Invoice Fly Monthly$19.991 Month
  • Invoice Fly Premium7 Days trial$29.991 Month
  • Invoice Fly Premium$98.991 Year
  • Invoice Fly Premium3 Days trial$98.991 Year
  • Invoice Fly Premium7 Days trial$98.991 Year
  • Invoice Fly Yearly7 Days trial$99.991 Year
  • Invoice Fly Yearly$199.991 Year
One-time1
  • Unlimited Invoicing$299.99

Questions

Is Service Tech Work Orders Plus free?
Service Tech Work Orders Plus costs $7.99, and also offers in-app purchases.
Is Invoice Maker free?
Invoice Maker is free to download, with in-app purchases available.
Which has better reviews, Service Tech Work Orders Plus or Invoice Maker?
Invoice Maker is rated higher. Service Tech Work Orders Plus averages 4.2 out of 5 from 13 ratings, while Invoice Maker averages 4.8 from 109K ratings.
Do Service Tech Work Orders Plus or Invoice Maker have ads?
Neither Service Tech Work Orders Plus nor Invoice Maker shows ads.
Which is updated more often, Service Tech Work Orders Plus or Invoice Maker?
Service Tech Work Orders Plus ships an update every 3 months, and Invoice Maker weekly. Most recently, Service Tech Work Orders Plus was updated on October 2, 2026 and Invoice Maker on October 18, 2026.

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