Comparison

The Invoice Maker Free vs Class Fee Calc

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

Head to head
About

The Invoice Maker Free

This app uses AI to quickly create professional invoices and estimates by voice or photo. It helps freelancers and small businesses get paid faster by accepting payments, tracking expenses, and generating reports. It also offers a client portal for easy document management.

Highlights
  • AI voice-to-invoice creation
  • AI photo-to-estimate generation
  • 23 professional PDF templates
  • Accept payments via multiple gateways
  • Smart expense tracking with receipt scanning
  • Client portal for document viewing and payment
  • Reporting for tax preparation
Features
Read full description

Create professional invoices and estimates in under 60 seconds — just speak or snap a photo. The Invoice Maker Free is the AI-powered invoicing app built for freelancers, contractors, and small business owners who want to get paid faster. Whether you're a roofer, plumber, electrician, painter, landscaper, or consultant — create, send, and collect payment from anywhere. AI VOICE-TO-INVOICE Just speak naturally: "Invoice John Smith for kitchen remodel, $5,000 labor, $2,000 materials." The AI extracts everything — client, line items, amounts — and builds your invoice instantly. No typing required. AI PHOTO-TO-ESTIMATE Snap a photo of any job site. Our AI analyzes the image, identifies materials, extracts measurements, and generates a detailed estimate with line items — trained for 10+ trades including plumbing, electrical, roofing, HVAC, painting, and more. 23 PROFESSIONAL PDF TEMPLATES Impress every client with beautifully designed invoice templates. Customize with your logo, brand colors, and tagline. Preview live before sending. Save presets for instant reuse. GET PAID 5X FASTER Accept payments via Stripe, PayPal, Venmo, Zelle, Cash App, bank transfer, or QR code. Clients tap one button to pay. Track partial payments, request deposits, set milestone billing, and auto-charge late fees. Automated reminders do the follow-up for you. COMPLETE DOCUMENT SUITE Create invoices, estimates, quotes, work orders, proforma invoices, credit notes, delivery notes, purchase orders, and debit notes — all from one app. Convert accepted estimates into invoices with a single tap. SMART EXPENSE TRACKING Scan receipts with AI — vendor, amount, date, and category extracted automatically. Track job costs, view category breakdowns, and export everything for tax season. AI auto-tags expenses with tax categories. CLIENT PORTAL Every document you send includes a professional web page. Clients view, accept, decline, pay, and download PDFs — no app needed on their end. You get real-time notifications when they open, view, or pay. REPORTS & TAX PREP Revenue dashboard, profit & loss, cash flow forecast, client profitability rankings, estimate conversion funnel, and tax preparation reports — all built in. Export as PDF or CSV for your accountant. BUILT FOR YOUR BUSINESS • Recurring Invoices: Auto-bill on any schedule • Multi-Currency: 150+ currencies supported • Multiple Business Profiles: Run separate businesses from one app • Price Book: Save services and materials for quick reuse • Change Orders: Track project amendments • Before/After Photos: Document project progress • Offline-First: Works without internet, syncs when connected • Biometric Security: Face ID and Touch ID protection AVAILABLE IN 8 LANGUAGES English, Spanish, French, German, Japanese, Chinese, Arabic, and Thai. Start invoicing for free today. Upgrade to Pro for unlimited invoices, all 23 templates, recurring billing, and advanced analytics. Terms of Use: https://trybillly.com/terms.html Privacy Policy: https://trybillly.com/privacy.html Disclaimer: Free Maker - Invoice Creator is not affiliated with, endorsed by, or sponsored by Stripe, PayPal, Venmo, Zelle, Cash App, Apple, Google, or any of their respective parent companies. All third-party trademarks, logos, and brand names mentioned are the property of their respective owners and are used for identification purposes only. Payment processing is handled directly through the respective third-party platforms. Free Maker does not process, store, or handle any payment transactions on behalf of users.

About

Class Fee Calc

Features
Read full description

Class Fee Calc is the all-in-one app for independent teachers, tutors, trainers, coaches, and instructors — saving you hours every month on fee calculations so you can focus on what you do best. - LESSON TRACKING Log every lesson in seconds. Record the date, time, duration, lesson type, and student. The app automatically calculates the fee based on your pricing rules — no manual math needed. - PDF INVOICES Generate clean, professional invoices with one tap and send them by email directly from the app. Choose your preferred color theme to match your brand. - SCHEDULING Plan your week with the built-in schedule view. Lessons sync with your iOS Calendar so everything stays in one place. - OTHER EXPENSES & RECEIPTS Track venue fees, materials, and other costs. Attach receipt photos or PDFs to keep your records tidy. - APPLE WATCH SUPPORT Log lessons and manage your schedule directly from your wrist. - STATISTICS & CHARTS See your total income, lesson count, and trends at a glance. Understand which students or categories bring the most revenue. - PRIVACY FIRST Your data stays on your device and in your own iCloud account. No account required. No ads. No tracking. Ever. - FREE TRIAL Try every feature free for 14 days. Then unlock the full app with a one-time purchase — no subscription. - AVAILABLE IN 8 LANGUAGES English, Simplified Chinese, Traditional Chinese, Japanese, Korean, French, Russian, and Italian.

Screenshots

The Invoice Maker Free4 screens
Class Fee Calc4 screens

Verdict

The call

The clearest difference is update cadence: Class Fee Calc at weekly against The Invoice Maker Free's monthly. The Invoice Maker Free's advantage is iOS requirement (15.1 vs 18.6). On price, 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

Both are free to download. The Invoice Maker Free sells 4 in-app purchases, starting at $9.99 per 7 days and Class Fee Calc sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

The Invoice Maker Free ships an update monthly, Class Fee Calc weekly. The most recent releases landed on October 28, 2026 and October 8, 2026 respectively.

Scorecard2 real differences · 7 level
The Invoice Maker Free versus Class Fee Calc: the parameters behind the verdict, then further details
ParameterThe Invoice Maker FreeClass Fee Calc
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyMonthlyWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPad, iPodiPhone, iPad, Apple Watch
Requires iOS15.1 — better18.6
Further details — not scored
Size64 MB15 MB
Age rating4+4+
DeveloperTripviler Co., Ltd.Wei Zhang

In-app purchases

4 purchases

The Invoice Maker Free

Subscriptions4
  • Weekly Pro - 3 days Trial3 Days trial$9.997 Days
  • Weekly Pro$9.997 Days
  • Monthly Pro$19.991 Month
Show 1 more
  • Yearly Pro$119.991 Year
1 purchases

Class Fee Calc

One-time1
  • Full Version$7.99

Questions

Is The Invoice Maker Free free?
The Invoice Maker Free is free to download, with in-app purchases available.
Is Class Fee Calc free?
Class Fee Calc is free to download, with in-app purchases available.
Do The Invoice Maker Free or Class Fee Calc have ads?
Neither The Invoice Maker Free nor Class Fee Calc shows ads.
Which is updated more often, The Invoice Maker Free or Class Fee Calc?
The Invoice Maker Free ships an update monthly, and Class Fee Calc weekly. Most recently, The Invoice Maker Free was updated on October 28, 2026 and Class Fee Calc on October 8, 2026.

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