Comparison

Smart Billing vs Invoice Maker ▸ Estimate Maker

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

Head to head
About

Smart Billing

This app helps freelancers and small businesses manage their finances by creating invoices, tracking expenses, and generating detailed reports. It offers multi-account support and secure, private data storage on your device. View key financial summaries directly from your home screen with customizable widgets.

Highlights
  • Create and send professional invoices
  • Track paid, partial, and overdue bills
  • Log and categorize expenses
  • Detailed financial reports
  • Manage multiple client profiles
  • Multi-account support
  • Home screen widgets
Features
Read full description

Send an invoice from your phone, and always know who still owes you. Build a professional invoice in a minute and send the PDF on WhatsApp or email. The dashboard ranks every unpaid bill by amount and shows how many days late it is, and each client is one tap away on WhatsApp, phone or email. Record full or partial payments and see what's left until the bill is paid. Add a tax rate and the invoice is titled Tax Invoice, with the VAT shown on every line. The Smart Billing is the all-in-one invoicing, billing, and expense tracking app designed for freelancers, small businesses, and entrepreneurs. Whether you're sending invoices to clients, tracking your monthly expenses, or reviewing your revenue at a glance — The Smart Billing puts everything you need in one beautifully designed app. KEY FEATURES • Create and send professional invoices in seconds • Track paid, partial, and overdue bills at a glance • Log and categorise expenses by type • Detailed reports: revenue, profit, cash flow, tax export, and more • Manage multiple client profiles with full payment history • Multi-account support — perfect for businesses with multiple entities • Share invoices via WhatsApp, email, or PDF • Inventory: stock levels, low-stock alerts and what's selling • Quotations and advance payments, linked to each client • The whole app in English, Arabic (right to left), French, Spanish or Italian NEW FOR iOS 26 & 27 • Ask Siri about your business and get instant answers. • An AI Business Assistant powered by Apple Intelligence — ask about revenue, expenses, stock or who owes you, and get a brief on any client. It runs on your device or on Apple's Private Cloud Compute, never on anyone else's servers. • Scan receipts straight into expenses. • A redesigned Liquid Glass interface and a new extra-large iPad widget. YOUR DATA STAYS YOURS The Smart Billing is built with your privacy in mind. No account. Works offline. Your data stays on your device and in your own iCloud. The app shares limited usage information in fixed categories, such as which features you use — never client names, invoices, amounts or anything you type — and you can switch it off in Settings → Privacy. AI features use Apple Intelligence only — on your device or on Apple's Private Cloud Compute, where nothing is stored. No third-party AI is ever involved. WIDGETS See your monthly revenue, unpaid invoices, and overdue bills right from your home screen — without opening the app. Available in small, medium, large, and a new extra-large iPad board. PLANS • Free — up to 2 clients and 1 account. • Basic — 1 account, unlimited clients, no invoice cap, all your devices: $3.99/month or $39.99/year. • Pro — unlimited accounts: $6.99/month or $69.99/year. Upgrade from Basic any time; you pay only the difference. • Lifetime — everything in Pro, forever, for a single payment of $149.99. A one-time purchase; it does not renew. Prices in USD; your App Store may show different amounts. --- Price may vary per location. Subscriptions will be charged to your iTunes account using your preferred payment method. Your Subscription will automatically renew unless cancelled at least 24 hours before the end of the current period. Manage your subscription in the AppStore under subscriptions. --- Privacy policy: https://zaatarlabs.com/privacy-policy Terms of use: https://zaatarlabs.com/terms

About

Invoice Maker ▸ Estimate Maker

Features
Read full description

Create professional invoices, estimates, quotes, and receipts in seconds — 100% offline! Whether you are a contractor, freelancer, tradesperson, or small business owner, Invoice Maker helps you bill clients quickly, track payments, and get paid faster. No account registration, no internet required, and no monthly cloud subscriptions. Your financial data stays securely on your device. KEY FEATURES: • Professional Invoices & Estimates - Create polished invoices, price estimates, quotations, and receipts in seconds. - Convert any estimate to an active invoice with just one tap. - Add invoice numbers, due dates, issue dates, and custom payment terms. • 100% Offline & Completely Private - Works anywhere: on the job site, in a basement, or on an airplane without Wi-Fi. - Zero cloud tracking, zero logins, and complete data privacy on your device. • Custom Business Branding & Signatures - Add your business logo, contact information, and company address. - Sign documents directly on-screen with digital client and business signatures. - Include custom payment instructions (Bank transfer, PayPal, cash). • Fast Item Catalog & Client Manager - Save frequently billed items, services, labor rates, and prices. - Store reusable client profiles with phone, email, and billing address. - Auto-fill client and item details for 10-second invoicing. • Flexible Taxes, Discounts & Multi-Currency - Automatic calculations for Sales Tax, VAT, GST, discounts, and shipping. - Full support for global currencies ($ USD, € EUR, £ GBP, ₹ INR, ¥ JPY, A$ AUD, C$ CAD, and more). • Instant PDF Export & Sharing - Generate crisp, professional PDF invoices ready to send. - Share instantly via WhatsApp, Email, Messages, AirDrop, or print directly with AirPrint. • Payment Tracking & Statuses - Track Paid, Unpaid, Pending, and Overdue invoices at a glance. - Record partial payments and monitor outstanding balances easily. • Secure Backup & Restore - Export and restore complete local JSON backups to safeguard your business data. PERFECT FOR: - Contractors, electricians, plumbers, builders, and tradespeople - Freelancers, designers, developers, and consultants - Photographers, creators, caterers, and small business owners - Any business needing fast, reliable, on-the-spot mobile billing Download Invoice Maker today and send your first professional invoice in under 60 seconds! Terms of Use: https://mobileinvoice.app/terms/

Screenshots

Smart Billing4 screens
Invoice Maker ▸ Estimate Maker4 screens

Verdict

The call

The clearest difference is iOS requirement: Invoice Maker ▸ Estimate Maker at 15.0 against Smart Billing's 18.0. On price, update cadence, ads and in-app purchases 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. Smart Billing sells 5 in-app purchases, starting at $3.99 per month and Invoice Maker ▸ Estimate Maker sells 3 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Smart Billing ships an update fortnightly, Invoice Maker ▸ Estimate Maker every 2 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard1 real difference · 9 level
Smart Billing versus Invoice Maker ▸ Estimate Maker: the parameters behind the verdict, then further details
ParameterSmart BillingInvoice Maker ▸ Estimate Maker
PriceFreeFree
Rating5.0 (8 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings8 — better—
Update frequencyFortnightlyEvery 2 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS18.015.0 — better
Further details — not scored
Size134 MB95 MB
Age rating4+4+
DeveloperOmar Al HomaidiRaj Vadodariya

In-app purchases

5 purchases

Smart Billing

Subscriptions4
  • 1 Account (1 month)$3.991 Month
  • Unlimited Accounts (1 Month)$6.991 Month
  • 1 Account (1 Year)$39.991 Year
Show 1 more
  • Unlimited Accounts (1 Year)$69.991 Year
One-time1
  • Lifetime Unlimited Accounts$149.99
3 purchases

Invoice Maker ▸ Estimate Maker

Subscriptions2
  • Pro Monthly$6.991 Month
  • Pro Yearly7 Days trial$49.991 Year
One-time1
  • Pro Lifetime$119.99

Questions

Is Smart Billing free?
Smart Billing is free to download, with in-app purchases available.
Is Invoice Maker ▸ Estimate Maker free?
Invoice Maker ▸ Estimate Maker is free to download, with in-app purchases available.
Do Smart Billing or Invoice Maker ▸ Estimate Maker have ads?
Neither Smart Billing nor Invoice Maker ▸ Estimate Maker shows ads.
Which is updated more often, Smart Billing or Invoice Maker ▸ Estimate Maker?
Smart Billing ships an update fortnightly, and Invoice Maker ▸ Estimate Maker every 2 weeks. Most recently, Smart Billing was updated on November 3, 2026 and Invoice Maker ▸ Estimate Maker on October 31, 2026.

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