Comparison

Contrato Operator 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

Contrato Operator

Features
Read full description

Use your phone to order a service, from a nearby service provider, and enjoy professional service at affordable rates from the comfort of your home, office, hotel etc. Why choose Contrato • Prompt and affordable services • 24/7 services • All our providers are genuine, honest, professional and thoroughly verified. To request a service within Contrato app: 1. Open the app, sign up and simply choose a service, 2. The app will list all nearby service providers based on popularity or proximity, 3. See your Service Provider's location on the real-time map; 4. Your provider will avail him/herself to your preferred location; 5. Enjoy the Service, Leave a rating and pay.

About

Invoice Maker

Create professional invoices, track expenses, and manage projects from your phone. Get paid faster with automatic reminders and online payment options. Ideal for freelancers and small businesses.

Highlights
  • Create professional invoices quickly
  • Send estimates that convert to invoices
  • Accept online payments
  • Automatic payment reminders
  • Track expenses with receipt snapping
  • Generate expense reports
  • Built-in timer for billable hours
Features
Read full description

The #1 invoice maker trusted by freelancers, contractors, and small business owners. Create, send, and get paid — all from your phone. INVOICE & GET PAID IN MINUTES • Create professional invoices in under 60 seconds • Send estimates that convert to invoices with one tap • Accept online payments via Stripe, PayPal & Square • Automatic payment reminders — never chase clients again EXPENSE TRACKING MADE SIMPLE Snap receipts and auto-categorize expenses Generate expense reports for tax time Track mileage, materials, and business costs Export to QuickBooks, Xero, or CSV TIME TRACKING & BILLABLE HOURS Built-in timer for accurate time tracking Convert timesheets to invoices instantly Track time by project, client, or task Perfect for hourly consultants and contractors PROJECT & CLIENT MANAGEMENT Organize clients, projects, and invoices in one place Collaborate with your team or accountant View complete payment history at a glance Set project budgets and track profitability PROFESSIONAL & CUSTOMIZABLE 5+ invoice templates — modern, classic, minimal Add your logo, colors, and custom branding Multiple currencies and tax rates supported Personalized email templates WHY CHOOSE THIS APP? No accounting degree required — simple, intuitive design Works offline — create invoices anywhere Secure cloud backup — never lose your data Free to start — no credit card required PERFECT FOR: Freelancers & independent contractors Small business owners & startups Consultants & agencies Photographers, designers & creatives Plumbers, electricians & tradespeople Personal trainers & coaches Start sending professional invoices today. Download free and see why thousands of businesses trust us to get paid faster. Terms of Service: https://billed.app/terms-of-service/ Privacy Policy: https://billed.app/privacy-policy/

Screenshots

Contrato Operator4 screens
Invoice Maker4 screens

Verdict

The call

The clearest difference is in-app purchases: Contrato Operator at none against Invoice Maker's 10. Invoice Maker's advantage is update cadence (monthly vs every 2 months). On price, ads, device support and iOS requirement 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

Both are free to download. Invoice Maker sells 10 in-app purchases, starting at $9.99 per month. Contrato Operator asks for nothing beyond the download.

UpkeepUpdate frequency

Contrato Operator ships an update every 2 months, Invoice Maker monthly. The most recent releases landed on October 9, 2026 and October 24, 2026 respectively.

Scorecard2 real differences · 8 level
Contrato Operator versus Invoice Maker: the parameters behind the verdict, then further details
ParameterContrato OperatorInvoice Maker
PriceFreeFree
Rating—1.8 (4 ratings) — better
Positive reviews—0.0% of reviews
Number of ratings—4 — better
Update frequencyEvery 2 monthsMonthly — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.013.0
Further details — not scored
Size141 MB125 MB
Age rating4+4+
DeveloperPedro FranqueZTABS (PRIVATE) LIMITED

In-app purchases

None

Contrato Operator

No in-app purchases

10 purchases

Invoice Maker

Subscriptions10
  • Billed - Pro Monthly$9.991 Month
  • Basic Plan$9.991 Month
  • Billed Monthly Offer$19.991 Month
Show 7 more
  • Billed Monthly With Free Trial7 Days trial$19.991 Month
  • Billed Premium Monthly$24.991 Month
  • Billed - Pro Annually$99.991 Year
  • Basic Plan Yearly$99.991 Year
  • Billed Annual Offer$99.991 Year
  • Billed Annual With Free Trial7 Days trial$99.991 Year
  • Premium Plan Yearly$249.991 Year

Questions

Is Contrato Operator free?
Contrato Operator is free to download, with no in-app purchases.
Is Invoice Maker free?
Invoice Maker is free to download, with in-app purchases available.
Do Contrato Operator or Invoice Maker have ads?
Neither Contrato Operator nor Invoice Maker shows ads.
Which is updated more often, Contrato Operator or Invoice Maker?
Contrato Operator ships an update every 2 months, and Invoice Maker monthly. Most recently, Contrato Operator was updated on October 9, 2026 and Invoice Maker on October 24, 2026.

Other comparisons