Comparison

mpengo Service Sheet vs Invoice Maker ▸ Invoice Simple

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

Head to head
About

mpengo Service Sheet

Streamline on-site service tasks with custom checklists, electronic signatures, and invoicing. This app helps service businesses manage inspections, customer records, and generate reports efficiently, reducing paperwork and improving customer satisfaction.

Highlights
  • Customizable work checklists
  • Electronic signature capture
  • Built-in invoicing
  • Offline data storage
  • Data syncing between iPads
  • Report generation
Features
Read full description

Perform your on-site work tasks with mpengo Service Sheet. It’s the tool you’ve been looking for if you are in HVAC, run a repair business, a cleaning service, perform on-site inspections, a car mechanic, electrician, plumber, or in any service business. Create any number of work checklists for site visits or routine inspections and make sure your customer’s needs are met. Capture exactly the info needed for your business by designing a custom question form. Use the built-in invoicing function to get your invoices out faster than ever before. All pricing options and rates are customizable. Make your work easier, reduce the clutter of paper, eliminate re-work and make your customers happier by delivering your results neatly and instantly. Keep better customer records and get your completed work signed off electronically right on the iPad. Data is stored on your device so you can work anywhere, online or not, and share data once you are re-connected. FREE 24/7 email client service with all mpengo Ltd. apps. mpengo Service Sheet Features: • Create your unique list of actions and questions in checklist format • Include multiple inspections with multiple technicians in a single sheet • Include comments with your answers • Use categories to group questions • Collect customer and technician sign off with mpengo Ltd.’s electronic Signature Capture • Print or email a copy of a service sheet to clients • Add invoice information to the completed service sheet if desired • Sync forms with another iPad to share with colleagues • Backup and restore information to a device and store email backups of your data • Create reports of activities, customers, and invoices • Print or send blank service sheets when needed Work Smarter, Faster, Everywhere with mpengo Ltd. For more information, visit us at www.mpengo.com Visit www.mpengoreviews.com for a complete list of reviews from every country.

About

Invoice Maker ▸ Invoice Simple

Create and send professional invoices, estimates, and receipts quickly from your mobile device. This app helps individuals and growing businesses get organized, look professional, and get paid faster by accepting online payments.

Highlights
  • Create invoices, estimates, and receipts
  • Send documents via email, text, or WhatsApp
  • Accept online payments
  • Customize invoices with logo and business details
  • Track invoice status and get payment reminders
  • Organize client and product information
Currently charting
Read full description

Easily create & send professional invoices, estimates, and receipts on the go! The perfect tool for individuals and growing businesses that lets you quickly create a document on the spot while with your customer. For growing businesses who want: · A simple way to make estimates, invoices, and receipts fast · Professional-looking invoices that you can send from your mobile device · An easy way to accept online payments and stop chasing checks From a landscaping invoice or estimate to a receipt for entertainment supplies in your side gig, Invoice Simple is the app for your small business. START YOUR FREE TRIAL 6 WAYS INVOICE SIMPLE MAKES YOUR LIFE AS A BUSINESS OWNER EASIER 1. SIMPLE TO USE Designed to make sure you never have to waste time “figuring out” how to make it work. 2. INVOICE ANYWHERE Standing next to your client, in your truck, or sitting at your desk, there’s no quicker way to send an invoice. 3. GET ORGANIZED Keeping track is effortless. Your entire history is collected in one place, easy to find and read. Taxes are a breeze. 4. LOOK MORE PROFESSIONAL Create professional-looking invoices and estimates on the spot. 5. GET PAID FASTER Making it easy to get paid by accepting cards with simple fee structure and low rates that you can add to an invoice - no cost to you, as well as accept checks and cash. 6. INVOICE WITH CONFIDENCE Join hundreds of thousands of small businesses who rely on Invoice Simple, consistently a top-rated invoicing app. Easily customize every aspect of your invoice, estimate, or receipt: 1. Add your logo and business details 2. Include your banking details 3. Easy-add and import client details saved in your phone contacts 4. Customize tax and add discounts 5. Accept credit card payment with simple fee structure and low rates that you can add to an invoice - no cost to you, as well as accept checks and cash 6. Add product information and attach photos 7. Include your signature Send your invoice or estimate by email, text, WhatsApp, or download it as a PDF. Get instant alerts when it's opened, paid, or is overdue with instant mobile device and email notifications. You don’t have to limit yourself to cash and checks. Just select “accept online payments” and follow the simple steps to hook up your invoices to Invoice Simple Payments. PLANS: Start with a free trial, then choose the best plan for your business: Essentials For entrepreneurs to easily start sending estimates, invoices, receipts, and receive payments. · Up to 3 invoices per month · QR code payments · Online payments · Real time read receipts · Expense tracking · Top rated mobile and web apps Plus For small businesses to send nice-looking, easy to create documents on-the-go. Everything in Essentials, plus: · Up to 10 invoices per month · Add photos · Business owner signature · Autofill client & item info · Due date reminders Premium For small businesses to improve invoice organization and make online payments easy. Everything in Plus, along with: · UNLIMITED invoices per month · Customer support 1st response priority Invoice Simple, the ultimate invoice, receipt, & estimate maker: Send simple invoices using professional templates, invoice generator, PDF invoices and quotes, online payments, bill organizer, receipt and expense tracking, and business reporting—all rolled up into one easy-to-use app. When it's time to create an estimate, invoice, or receipt for your small business, Invoice Simple will work for you. Terms of use: https://www.invoicesimple.com/terms Privacy policy: https://www.invoicesimple.com/privacy

Screenshots

Invoice Maker ▸ Invoice Simple4 screens

Verdict

The call

The clearest difference is price: Invoice Maker ▸ Invoice Simple at Free against mpengo Service Sheet's $19.99. Invoice Maker ▸ Invoice Simple also leads on update cadence (every 11 days vs every 4 months) and ratings volume (123K vs 2). mpengo Service Sheet's advantage is review sentiment (100% vs 64%) and in-app purchases (none vs 11). On rating and ads 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 ▸ Invoice Simple is free to download; mpengo Service Sheet costs $19.99 up front. Invoice Maker ▸ Invoice Simple sells 9 in-app purchases, starting at $6.99 per month. mpengo Service Sheet asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for mpengo Service Sheet against 4.9 for Invoice Maker ▸ Invoice Simple. That said, the two scores are not equally well evidenced: Invoice Maker ▸ Invoice Simple has 123K ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 100% of mpengo Service Sheet's written reviews are positive against 64% of Invoice Maker ▸ Invoice Simple's.

UpkeepUpdate frequency

mpengo Service Sheet ships an update every 4 months, Invoice Maker ▸ Invoice Simple every 11 days. The most recent releases landed on September 29, 2026 and October 19, 2026 respectively.

Scorecard9 real differences · 2 level
mpengo Service Sheet versus Invoice Maker ▸ Invoice Simple: the parameters behind the verdict, then further details
Parametermpengo Service SheetInvoice Maker ▸ Invoice Simple
Price$19.99Free — better
Rating5.0 (2 ratings) — better4.9 (123K ratings)
Positive reviews100.0% of reviews — better63.8% of reviews
Number of ratings2123K — better
Update frequencyEvery 4 monthsEvery 11 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
Best chart rank—#7 — better
DevicesiPadiPhone, iPad, iPod — better
Requires iOS12.0 — better15.1
Further details — not scored
Size8 MB223 MB
Age rating4+4+
Developermpengo Ltd.Zenvoice Inc.

Customer experience

mpengo Service Sheet

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Invoice Maker ▸ Invoice Simple

All ratings122,790 ratings
Positive97.5%
Neutral1.6%
Negative0.9%
Written reviews1,586 reviews
Positive63.8%
Neutral6.1%
Negative30.1%

Bugs and requests

mpengo Service Sheet

Not enough reviews yet to summarise bugs or requests.

Invoice Maker ▸ Invoice Simple

Reported bugs

4 issues
  • Invoices not sending properly
  • App crashing or freezing
  • Inability to recover deleted invoices
  • Syncing issues between mobile and desktop

Requested features

6 requests
  • Add ability to rearrange line items
  • Improve search and filtering capabilities
  • Integrate with accounting software
  • Add option to track expenses and profitability
  • Allow multiple business profiles in one account
Show 1 more
  • Improve mobile and desktop app parity

In-app purchases

None

mpengo Service Sheet

No in-app purchases

9 purchases

Invoice Maker ▸ Invoice Simple

Subscriptions9
  • Essentials Monthly$6.991 Month
  • Mobile subscription$10.991 Month
  • Monthly Side Business$10.991 Month
Show 6 more
  • Monthly Business Sub$11.991 Month
  • Monthly Subscription$11.991 Month
  • Monthly subscription2 variants$13.491 Month
  • Plus Monthly$14.991 Month
  • Monthly Standard Subscription$17.991 Month
  • Premium Monthly$21.991 Month

Questions

Is mpengo Service Sheet free?
mpengo Service Sheet costs $19.99, with no in-app purchases.
Is Invoice Maker ▸ Invoice Simple free?
Invoice Maker ▸ Invoice Simple is free to download, with in-app purchases available.
Which has better reviews, mpengo Service Sheet or Invoice Maker ▸ Invoice Simple?
mpengo Service Sheet is rated higher. mpengo Service Sheet averages 5.0 out of 5 from 2 ratings, while Invoice Maker ▸ Invoice Simple averages 4.9 from 123K ratings.
Do mpengo Service Sheet or Invoice Maker ▸ Invoice Simple have ads?
Neither mpengo Service Sheet nor Invoice Maker ▸ Invoice Simple shows ads.
Which is updated more often, mpengo Service Sheet or Invoice Maker ▸ Invoice Simple?
mpengo Service Sheet ships an update every 4 months, and Invoice Maker ▸ Invoice Simple every 11 days. Most recently, mpengo Service Sheet was updated on September 29, 2026 and Invoice Maker ▸ Invoice Simple on October 19, 2026.

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