Comparison

Invoice Maker vs SlabOS Crew

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

Head to head
About

Invoice Maker

Features
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Invoice Maker - Estimates helps freelancers, contractors, and small business owners create polished invoices and estimates in minutes β€” right from your iPhone or iPad. Whether you’re billing a client for the first time or sending your hundredth invoice, everything you need is in one simple, professional app. CREATE PROFESSIONAL INVOICES & ESTIMATES β€’ Build clean, client-ready invoices and estimates in just a few taps β€’ Add line items with quantity, unit price, discounts, and tax β€’ Include notes, payment terms, and terms & conditions β€’ Choose date-based or sequential invoice numbering β€’ Convert estimates into invoices with one tap β€’ Duplicate existing invoices to save time on repeat work LOOK PROFESSIONAL ON EVERY PDF β€’ Export, print, and share invoices as PDFs β€’ Customize invoice colors to match your brand β€’ Set up your full business profile: address, phone, email, website, IBAN, BIC, and more β€’ Country-aware tax ID and registration labels (VAT, EIN, ABN, and more) MANAGE CLIENTS & PAYMENTS β€’ Save client details and reuse them on every invoice β€’ Track invoice status: Draft, Sent, Paid, Partially Paid, and Overdue β€’ Record partial payments and see remaining balances β€’ Search, filter, and sort invoices to find what you need fast STAY ON TOP OF YOUR BUSINESS β€’ Dashboard with revenue stats and monthly trends β€’ Quick actions to create invoices or manage clients β€’ View recent invoices at a glance BUILT FOR GLOBAL BUSINESSES β€’ Available in 15 languages β€’ Set invoice language independently from app language β€’ Support for multiple currencies β€’ Localized tax and registration fields for many countries YOUR DATA, YOUR DEVICE β€’ All invoices and clients stored locally on your device β€’ Light, dark, and system appearance modes PREMIUM FEATURES Upgrade to Premium and unlock the full power of Invoice Maker: β€’ Ad-free experience β€” work without interruptions β€’ No watermark on PDFs β€” send fully professional documents β€’ Add your logo and signature β€” brand every invoice you send β€’ Edit invoices and estimates β€” update details anytime β€’ Unlimited line items β€” add as many products or services as you need β€’ Convert estimates to invoices β€” turn quotes into bills in one tap β€’ Create from existing invoices β€” duplicate and reuse past work β€’ Export and import your data β€” backup, restore, and move between devices Start for free with core invoicing features, then upgrade when you’re ready for a fully professional, ad-free experience. Perfect for: β€’ Freelancers and consultants β€’ Small business owners β€’ Contractors and tradespeople β€’ Side hustlers and solopreneurs β€’ Anyone who needs simple, professional invoicing on the go Download Invoice Maker - Estimates today and send your next invoice in minutes β€” not hours. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.metko.org/invoicegenerator/privacy.html

About

SlabOS Crew

Features
Read full description

SlabOS Crew is the field app for countertop shops that run on SlabOS. Installers, templaters and shop-floor crews get their day on the phone, and the office sees it happen live. Requires a SlabOS account. Ask your shop's SlabOS admin for a login. TODAY β€’ Your stops for the day in order, with job number, address and time β€’ Check in when you arrive, mark complete when you're done β€’ Tap the map to open directions in Apple Maps or Google Maps β€’ The customer gets an on-the-way notice with your live ETA while you're checked in ON THE JOB β€’ Work order, forms and the drawing for every job β€’ Leave a note for the office, or report an issue with a photo β€’ Take photos in a burst or upload from your library; they land on the job instantly β€’ Draw board for site measurements and markups, saved straight to the job files TEAM β€’ Team chat with office broadcasts, photos and videos β€’ Emergency stop: one tap alerts the whole shop β€’ Push notifications for schedule changes and messages SHOP FLOOR β€’ Slab inventory: add a slab from the yard with a photo cropped to its real size, print its label, search the whole inventory β€’ Warehouse map: see which bay a slab is in English and Spanish. Location is used only while you're checked in to a job, from your first check-in to your last completed job of the day, to show customers your ETA and your shop your position. Tracking stops when the day's work is done.

Screenshots

Invoice Maker4 screens
SlabOS Crew4 screens

Verdict

The call

The clearest difference is in-app purchases: SlabOS Crew at none against Invoice Maker's 3. SlabOS Crew also leads on ads (none vs shown). Invoice Maker's advantage is iOS requirement (13.0 vs 16.4). On price, update cadence and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Invoice Maker sells 3 in-app purchases, starting at $9.99 per 7 days. SlabOS Crew asks for nothing beyond the download.

UpkeepUpdate frequency

Invoice Maker ships an update every 5 days, SlabOS Crew every 6 days. The most recent releases landed on October 13, 2026 and October 18, 2026 respectively.

Scorecard3 real differences Β· 3 level
Invoice Maker versus SlabOS Crew: the parameters behind the verdict, then further details
ParameterInvoice MakerSlabOS Crew
PriceFreeFree
Update frequencyEvery 5 days β€” betterEvery 6 days
AdsYesNo β€” better
In-app purchasesYesNo β€” better
DevicesiPhone, iPad, iPod β€” betteriPhone, iPad
Requires iOS13.0 β€” better16.4
Further details β€” not scored
Size65 MB55 MB
Age rating4+4+
DeveloperMETKO LABS BILISIM ITHALAT VE IHRACAT TICARET LIMITED SIRKETISLABOS SOFTWARE INC.

In-app purchases

3 purchases

Invoice Maker

Subscriptions3
  • Invoice Generator$9.997 Days
  • Invoice Generator$29.991 Month
  • Invoice Generator$59.991 Year
None

SlabOS Crew

No in-app purchases

Questions

Is Invoice Maker free?
Invoice Maker is free to download, with in-app purchases available.
Is SlabOS Crew free?
SlabOS Crew is free to download, with no in-app purchases.
Do Invoice Maker or SlabOS Crew have ads?
Invoice Maker shows ads; SlabOS Crew does not.
Which is updated more often, Invoice Maker or SlabOS Crew?
Invoice Maker ships an update every 5 days, and SlabOS Crew every 6 days. Most recently, Invoice Maker was updated on October 13, 2026 and SlabOS Crew on October 18, 2026.

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