Comparison

Lux Invoice Maker vs Simple Invoice PDF

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

Head to head
About

Lux Invoice Maker

Create professional estimates and invoices for your small business, contractor work, or freelance services. Save client details and reusable items, apply taxes and discounts, and generate shareable PDFs. Track payment statuses and convert estimates to invoices seamlessly.

Highlights
  • Create estimates and invoices
  • Save clients and line items
  • Apply taxes and discounts
  • Generate and share PDFs
  • Record payments
  • Track invoice status
  • Convert estimates to invoices
Features
Read full description

Lux Invoice is an invoice maker for small businesses, contractors, freelancers, and service teams. Everything is free and unlimited. Create estimates and invoices from your iPhone or iPad without setting up a complicated accounting system. Save client details and reusable items, apply taxes and discounts, add notes and payment terms, and produce a clear PDF you can share anywhere. What you can do: • Create estimates and invoices • Reuse saved clients and line items • Add taxes, discounts, notes, and payment terms • Choose document layouts and business details • Generate and share PDFs • Record full or partial payments • See draft, open, overdue, and paid status • Convert accepted estimates into invoices • Sign in securely to access your business • Keep your business data synced across devices You control the prices, tax settings, payment records, and documents you create. Lux Invoice does not process customer payments or provide tax or accounting advice.

About

Simple Invoice PDF

Features
Read full description

Create a professional invoice, receipt, or estimate in 30 seconds — and send it as a clean PDF. No account. No subscription. No limits. Tired of invoice apps that make you sign up, push you into a cloud, and then cap how many documents you can send — even on a paid plan? Simple Invoice PDF is the opposite: open the app, fill in a few fields, share the PDF. Done. WHY FREELANCERS CHOOSE IT • Unlimited documents — free, forever. No monthly caps, no "3 invoices per month" tricks. • No developer account or server upload. Your data stays on your device unless you choose Pro iCloud Backup or explicitly share a PDF. • Reliable export & print. PDFs are generated with the system print engine — what you see is exactly what your client gets, in email, messages, or on paper. • Fast input. Only the fields that matter are required. Repeat clients are one tap away. WHAT'S INSIDE • Invoices, receipts, and estimates with automatic numbering • Line items with quantities, rates, and automatic totals • Tax rate and notes • Client list — add once, reuse forever • Business profile: your details, logo, currency, tax defaults • PDF preview before sending • Share anywhere: email, messages, print, save to Files • Professional templates for different kinds of work FREE VS PRO The free version is fully functional and unlimited — every document simply carries a small "Made with Simple Invoice PDF" line. Pro is a single one-time purchase (not a subscription!) and unlocks: • PDFs without the watermark • Your logo on documents • Premium templates • Brand colors, signatures, payment details and QR codes • Automatic iCloud backup with manual restore Pay once, keep it forever. That's it. PRIVATE BY DESIGN Simple Invoice PDF works offline with no registration and no tracking. Documents leave your device only when you explicitly share a PDF or use the optional Pro backup stored in your private iCloud container. Perfect for freelancers, contractors, handymen, cleaners, tutors, photographers, designers, small shops — anyone who needs to bill a client without fighting an app. Terms of Use: https://simple-invoice-pdf.vercel.app/terms.html Download it, make your first invoice, and see how simple invoicing should be.

Screenshots

Lux Invoice Maker4 screens
Simple Invoice PDF4 screens

Verdict

The call

The clearest difference is in-app purchases: Lux Invoice Maker at none against Simple Invoice PDF's 1. Lux Invoice Maker also leads on update cadence (every 5 days vs fortnightly). 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. Simple Invoice PDF sells 1 one-off in-app purchase. Lux Invoice Maker asks for nothing beyond the download.

UpkeepUpdate frequency

Lux Invoice Maker ships an update every 5 days, Simple Invoice PDF fortnightly. The most recent releases landed on October 31, 2026 and October 6, 2026 respectively.

Scorecard2 real differences · 7 level
Lux Invoice Maker versus Simple Invoice PDF: the parameters behind the verdict, then further details
ParameterLux Invoice MakerSimple Invoice PDF
PriceFreeFree
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 5 days — betterFortnightly
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.0 — better18.6
Further details — not scored
Size13 MB2 MB
Age rating4+4+
DeveloperLuxdn LLCSerghei Eschin

In-app purchases

None

Lux Invoice Maker

No in-app purchases

1 purchases

Simple Invoice PDF

One-time1
  • Simple Invoice Pro$9.99

Questions

Is Lux Invoice Maker free?
Lux Invoice Maker is free to download, with no in-app purchases.
Is Simple Invoice PDF free?
Simple Invoice PDF is free to download, with in-app purchases available.
Do Lux Invoice Maker or Simple Invoice PDF have ads?
Neither Lux Invoice Maker nor Simple Invoice PDF shows ads.
Which is updated more often, Lux Invoice Maker or Simple Invoice PDF?
Lux Invoice Maker ships an update every 5 days, and Simple Invoice PDF fortnightly. Most recently, Lux Invoice Maker was updated on October 31, 2026 and Simple Invoice PDF on October 6, 2026.

Other comparisons