InvoiceFast vs InvoSlate
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
InvoiceFast
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InvoiceFast is the fast, no-nonsense invoice and estimate maker for people who do the work — trades, contractors, freelancers, and small service businesses. Build a professional, branded invoice or estimate in seconds, share it with your client, and keep track of what's paid. All from your phone. No clutter. No surprise price hikes. No holding your data hostage. FAST, PROFESSIONAL DOCUMENTS • Create invoices and estimates in a few taps • Save your services and rates in a reusable Rate Book, then drop them into any document • Choose from clean, professional PDF templates and add your logo and brand color • Attach photos as proof of work • Share instantly as a PDF by email, Messages, WhatsApp, AirDrop, or Files ESTIMATES THAT TURN INTO INVOICES • Send an estimate, and when your client says yes, convert it into an invoice in one tap • Mark documents sent, accepted, paid, or overdue — you stay in control STAY ON TOP OF YOUR BUSINESS • Manage all your clients in one place • See what's outstanding, what's paid, and how you're doing at a glance • Sign in with Apple to securely back up and sync across your devices • Export your data anytime as PDF or CSV — it's yours HONEST PRICING (this is the whole point) Most invoice apps lure you in, then raise prices, lock in your data, and make you jump through hoops to cancel. We refuse to do that. • Create your first 3 documents free — no card, no trial countdown • Then go unlimited with InvoiceFast Pro: a simple weekly or yearly plan • Cancel anytime in your App Store settings • Free data export, always — your data is yours NO PAYMENT PROCESSING InvoiceFast doesn't process card payments or take a cut of your money. You mark invoices paid or unpaid yourself. Simple, honest, and yours to control. Start free with 3 documents. Subscribe only if it earns its keep. Questions or feedback? hello@invoicefastpro.com Terms of Use: https://invoicefastpro.com/terms Privacy Policy: https://invoicefastpro.com/privacy
InvoSlate
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Create professional invoices in minutes—without complicated accounting software. InvoSlate: Invoice Maker is designed for freelancers, small businesses, consultants, and independent professionals who need a faster way to create, organize, and send invoices. CREATE INVOICES FASTER • Start with ready-to-use professional templates • Add seller and customer information • Reuse saved clients, products, and services • Automatically calculate taxes, subtotals, and totals • Create invoices in multiple currencies EXPORT AND SHARE PROFESSIONAL PDFs • Preview invoices before sending • Export polished PDF documents • Share or email invoices directly to customers STAY ON TOP OF PAYMENTS • Mark invoices as paid or unpaid • Identify overdue invoices instantly • Keep every invoice organized in one place CUSTOMIZE YOUR BRAND • Add your business logo • Choose your invoice color • Select from multiple professional templates BUILT FOR INTERNATIONAL BUSINESS InvoSlate supports multiple currencies and languages, making it easy to invoice customers wherever you work. FREE AND PREMIUM All invoice creation and management features are available for free. The free version includes five PDF or email exports. Upgrade to Premium for unlimited exports. Premium is available as an auto-renewing monthly or yearly subscription. Subscriptions can be managed through your App Store account settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://docs.google.com/document/d/e/2PACX-1vRBoPRdt804Zl65f6ehxNdFCeHi-R_O6H1_ehyPX1cYZbIj3VQ_WAnD9QLMpw1zynh5UYQXnh0sl71L/pub
Screenshots
Verdict
InvoiceFast and InvoSlate are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. InvoiceFast sells 2 in-app purchases, starting at $4.99 per 7 days and InvoSlate sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | InvoiceFast | InvoSlate |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 days | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 21 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Sharif Abdallah | Duc Nguyen Ba Trung |
In-app purchases
InvoiceFast
- InvoiceFast Pro (Weekly)$4.997 Days
- InvoiceFast Pro (Yearly)$39.991 Year
InvoSlate
- Premium Monthly$4.991 Month
- Premium Yearly$29.991 Year









