Invoice Maker by SPK vs Invoice Maker + Estimate App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
Invoice Maker + Estimate App
Easily create professional invoices, estimates, and receipts on the go. Customize with multiple themes and options to suit your business needs. Send documents to clients instantly with a user-friendly interface.
- Generate invoices and estimates
- Multiple customisation options
- User-friendly interface
- Save multiple businesses
- Professionally designed themes
- Manually sign feature
- Organize paid/unpaid invoices
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Generating professional invoices has never been this easy with Invoice Estimate Receipt Maker. Using Invoice Estimate Receipt Maker, you can easily create invoices and estimates, and send them to your clients. You only need to add details about your business, clients, and invoices, and leave the rest to this advanced invoice maker. ► Make professional invoices on the go with multiple customisation options If you are looking for a simple estimate and invoice maker to generate invoices for clients, you’ve come to the right place. Invoice Estimate Receipt Maker comes with a clean and neat design and the interface is so user-friendly that you will get the whole idea as soon as trying to create your very first invoice. ◆ Generate invoices quickly: Invoice Estimate Receipt Maker allows you to create an invoice in seconds. You have the option to save multiple businesses and generate different invoices with different tax rates without going through a complicated process. ◆ Multiple themes for making professional invoices: What makes this free invoice maker app stand out in the competition is the variety of available themes and customisation options for creating invoices. ► Invoice Estimate Receipt Maker main features at a glance: • Under Invoice Title, you will find 5 options (Invoice, Credit Note, Receipt, Estimate & Quote. Select which ever one you require). • Clean and neat design with a fresh and intuitive interface • Advanced invoice generator to make invoices on the go • Send invoices to clients with ease • Add custom Terms of Service to your invoices • Professionally designed invoice and estimate themes • Manually sign feature • Excellent organisation feature, for paid/unpaid invoices ► We do have a 24/7 support in our app, if you do require any assistance, please do not hesitate to contact us. Invoice Estimate Receipt Maker cares for its clients & always listens to feedback so please, if you like the app or have an idea to improve it, we are very happy to hear it. Thank you for choosing Invoice Estimate Receipt Maker, enjoying generating invoices easier. :) Privacy Policy - https://sites.google.com/view/invoice-simple-maker Terms & Conditions - https://sites.google.com/view/invoice-simple-maker-app/
Screenshots
Verdict
The clearest difference is review sentiment: Invoice Maker + Estimate App at 100% against Invoice Maker by SPK's 73%. Invoice Maker + Estimate App also leads on rating (5.0 vs 4.8). Invoice Maker by SPK's advantage is ratings volume (911 vs 95) and update cadence (weekly vs fortnightly). On price, ads, in-app purchases and monetization model 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. Invoice Maker by SPK sells 9 in-app purchases, starting at $4.99 per month and Invoice Maker + Estimate App sells 3 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.
Invoice Maker + Estimate App holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Invoice Maker by SPK has 911 ratings behind it against 95, so its average is the more settled of the two. Written reviews point the same way: 73% of Invoice Maker by SPK's written reviews are positive against 100% of Invoice Maker + Estimate App's.
Invoice Maker by SPK ships an update weekly, Invoice Maker + Estimate App fortnightly. Both last shipped on October 24, 2026.
| Parameter | Invoice Maker by SPK | Invoice Maker + Estimate App |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (911 ratings) | 5.0 (95 ratings) — better |
| Positive reviews | 73.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 911 — better | 95 |
| Update frequency | Weekly — better | Fortnightly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 30 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | SPK Studios LLC | Daniel Bitton |
Customer experience
Invoice Maker by SPK
Invoice Maker + Estimate App
Bugs and requests
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
Invoice Maker + Estimate App
Not enough reviews yet to summarise bugs or requests.
In-app purchases
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
Invoice Maker + Estimate App
- Weekly$0.997 Days
- Monthly$2.991 Month
- Unlock all premium features3 Days trial$27.991 Year
Questions
Is Invoice Maker by SPK free?
Is Invoice Maker + Estimate App free?
Which has better reviews, Invoice Maker by SPK or Invoice Maker + Estimate App?
Do Invoice Maker by SPK or Invoice Maker + Estimate App have ads?
Which is updated more often, Invoice Maker by SPK or Invoice Maker + Estimate App?
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