SubTotal vs Invoice Maker by SPK
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SubTotal
Create professional PDF invoices, quotes, and estimates quickly for your small business. Personalize templates with your logo and branding. Supports e-invoicing standards and offers cloud sync for easy access across devices.
- Create PDF invoices, quotes, and estimates
- Cloud sync across platforms
- E-invoicing support (Factur-X & ZUGFeRD)
- Personalize with logo, color, and font
- Track invoices and mark as paid
- Beautiful PDF templates
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Create professional PDF invoices, quotes, and estimates in minutes. SubTotal gives freelancers, contractors, consultants, and small business owners a simple way to handle client billing without a complicated accounting system. Create documents your way • Make and send PDF invoices, quotes, and estimates • Choose from professional templates and layouts • Personalize documents with your company logo, colors, and fonts • Manage invoices and mark them as paid when payment arrives • Turn WorkingHours time-tracking data into an invoice with one click PDF and electronic invoicing Save, share, view, or email polished PDF documents and e-invoice XML files. Create electronic invoices in supported formats, including Factur-X, ZUGFeRD, and XRechnung for EN 16931 workflows. Continue across your devices Start an invoice on your phone or tablet, then continue on supported laptop and desktop versions. Optional cloud sync keeps your invoice data available across devices using iCloud, OneDrive, Google Drive, Dropbox, or WebDAV. Cloud sync requires SubTotal Pro. Simple, flexible pricing SubTotal is free to use, with no ads or subscription. A free 7-day trial lets you test Pro features, including cloud sync, e-invoicing, all PDF fonts and layouts, custom PDF fonts, embedded QR codes, and removal of the hyperlink from the PDF footer. SubTotal Pro is a one-time purchase linked to your Apple ID and unlocks Pro access for iOS/iPadOS. A separate Pro purchase may be required on other platforms. SubTotal does not guarantee conformity with legal, tax, invoice creation, issuance, storage, or e-invoicing requirements in your country.
Invoice Maker by SPK
Create and send professional PDF invoices and estimates quickly and easily. This ad-free, watermark-free app is ideal for small business owners, consultants, and freelancers on the go. Customize templates, track clients, and manage your billing efficiently.
- Create unlimited invoices and estimates
- No ads or watermarks
- Customizable invoice fields
- Client list management
- Multiple sharing options (email, WhatsApp, text)
- Convert estimates to invoices
- Company logo and signature upload
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Invoice Maker+ is the #1 invoice app available today! It is an award-winning business utility app with NO ADS and NO WATERMARKS. It is the ideal on-the-go mobile solution for small business owners, consultants, contractors, and freelancers in all industries! Our easy-to-use generator allows you to create and send professional PDF invoices and estimates to your customers within seconds. Create invoices and estimates wherever you are! You can send an invoice while in the office, home, car, and even while you are still with your customer! Share via email, WhatsApp, text, print, and more! Our professionally designed template is sophisticated, clean, modern, and attractive, and the customization features allow you to add as much level of detail as you’d like! --- Features: * Create and Share UNLIMITED invoices and estimates with NO ADS and NO WATERMARKS * Select your region preference to customize your currency and date format * Preview via PDF while the invoice or estimate is being created * Customize invoice fields including billing date, due date, item name, item description, quantity, rate, item discount, shipping, tax, overall discount, etc. * Create, track, and store your client list * Deliver via customized email, whatsapp, text, messenger, print, and more * Track and organize your invoices and estimates using our filters and labels (“Outstanding”, “Paid”, “Open”, and “Closed”) * Upload a company logo to personalize your invoices and estimates * Include personal signature * Add payment details (bank transfer, check payable, paypal email) * Convert estimates to invoice with the press of a button * Duplicate an existing invoice or estimate with the press of a button (major time-saver for recurring customers!) * Mark an invoice or estimate as “Draft” if still a work in progress * Store and organize your invoices in one place so filing taxes is quick and easy * Automatically add names to your client list from your phone contacts * Add any additional notes you wish, such as payment terms, company policy, a “Thank You” note, etc. --- Privacy Policy: https://www.iubenda.com/privacy-policy/17124454 Terms and Conditions: https://www.iubenda.com/terms-and-conditions/17124454
Screenshots
Verdict
SubTotal and Invoice Maker by SPK both sit at 4.8 stars, but that hides the real split: 94% of SubTotal's written reviews are positive against 73% of Invoice Maker by SPK's. Invoice Maker by SPK's advantage is ratings volume (911 vs 24) and iOS requirement (13.0 vs 17.4). On price, rating, update cadence and ads 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
Both are free to download. SubTotal sells 2 one-off in-app purchases and Invoice Maker by SPK sells 9 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.8 for SubTotal against 4.8 for Invoice Maker by SPK. That said, the two scores are not equally well evidenced: Invoice Maker by SPK has 911 ratings behind it against 24, so its average is the more settled of the two. Written reviews are what separate them: 94% of SubTotal's written reviews are positive against 73% of Invoice Maker by SPK's.
SubTotal ships an update every 6 days, Invoice Maker by SPK weekly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.
| Parameter | SubTotal | Invoice Maker by SPK |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (24 ratings) | 4.8 (911 ratings) — better |
| Positive reviews | 94.0% of reviews — better | 73.3% of reviews |
| Number of ratings | 24 | 911 — better |
| Update frequency | Every 6 days — better | Weekly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, Mac — better | iPhone, iPod |
| Requires iOS | 17.4 | 13.0 — better |
| Further details — not scored | ||
| Size | 21 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | Timo Partl | SPK Studios LLC |
Customer experience
SubTotal
Invoice Maker by SPK
User reviews
SubTotal
From 24 App Store ratingsWhat we love
- 👍 Simple and easy to use
- 🚀 Fast and efficient
- 💰 One-time purchase, no subscription
- 🔄 Seamless syncing across devices
- 📱 Great integration with WorkingHours
Room to improve
- 🐛 Some features missing for advanced users
- 🤔 Limited customization options for templates
- 🐛 Bugs reported after updates
- 🐛 Issues with umlauts in PDFs
- 🐛 Rounding differences in calculations
Invoice Maker by SPK
From 911 App Store ratingsWhat we love
- 👍 Easy to use
- 🚀 Quick and efficient
- 💡 Helpful features
- ⭐ Great app overall
Room to improve
- 🐛 Data loss issues
- 🔒 Lack of device sync
- 📝 Limited item descriptions
- 🔧 Unreliable functionality
Bugs and requests
SubTotal
Reported bugs
7 issues- Description text gets deleted when adding concepts
- Text on positions not saved and positions not editable after update
- App crashes when opening or editing invoices/estimates after update
- UST-Satz (VAT rate) stuck at 0% and not adjustable on Mac
- Umlauts not displayed correctly in PDF (bank details, item descriptions)
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- Rounding differences in calculations
- Invoices can still be modified after being marked as sent
Requested features
38 requests- Auto populate/save item descriptions
- Column for date of service or purchase
- Option for separate categories for items
- Function to show payments applied
- Customizable PDF templates
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- Yearly reports
- Dark mode
- Advanced analytics dashboard
- More invoice template designs
- Date format option (MM/DD/YYYY)
- Option to change date format to US
- Field for tax number
- Field for service period (from-to date)
- Save button and undo function when creating invoices
- Keyboard-driven navigation and shortcuts
- Ability to input PO numbers
- Ability to attach files
- Dashboard for monthly/quarterly comparisons
- Option to mark invoices as locked after PDF creation
- Option to add discount on the entire invoice in percent
- Product catalog for quick item insertion
- Ability to change tax to 'total hours worked'
- Option to include total hours worked at the bottom of the invoice
- Translate phrases like 'Add tax', 'Discount', 'Line item sum' to Russian
- Marking invoices in the list for easier selection
- Support for recurring invoices
- Ability to convert quotes to invoices without overwriting
- More flexibility in invoice layouts and placeholders
- Option to drag and drop order of items
- Global BCC for email sending
- Recipient email not automatically copied from contacts
- Small free text field for email body
- Ability to add a header or text area and make it bold
- Option to add down payments
- Option to add explanations per item (material, labor, etc.)
- Possibility of generating EÜR (Einnahmenüberschussrechnung)
- More options for customizing invoice appearance
- Client database with saved information
Invoice Maker by SPK
Reported bugs
2 issues- Invoices not updating correctly
- Inability to unsubscribe from paid features
Requested features
3 requests- Ability to sync data across devices
- Increased character limit for item descriptions
- Improved customer support
In-app purchases
SubTotal
- Pro version iOS$8.99
- Pro version macOS$17.99
Invoice Maker by SPK
- My Invoice Generator3 Days trial$4.991 Month
- The Invoice Maker3 Days trial$7.991 Month
- Invoice Maker App3 Days trial$9.991 Month
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- Invoice Maker Pro3 Days trial$9.991 Month
- Smart Invoice Maker3 Days trial$39.991 Year
- Quick Invoice Maker3 Days trial$59.991 Year
- Invoice Maker Professional3 Days trial$69.991 Year
- App Invoice Maker3 Days trial$89.991 Year
- Invoice Maker Plus3 Days trial$89.991 Year
Questions
Is SubTotal free?
Is Invoice Maker by SPK free?
Which has better reviews, SubTotal or Invoice Maker by SPK?
Do SubTotal or Invoice Maker by SPK have ads?
Which is updated more often, SubTotal or Invoice Maker by SPK?
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