Invoice Maker vs Window Cleaning Estimator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Invoice Maker
Easily create, send, and track professional invoices and estimates. Perfect for small businesses and freelancers, this app helps organize finances with customizable templates, payment tracking, and client management.
- Create invoices in under a minute
- Generate invoices from estimates
- Customizable invoice templates
- Attach images and notes
- Add discounts and taxes
- Client contact list integration
- Track income with reports
- Notifications on invoice opening
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Invoice Fly is the easiest way to create and send professional invoices to your clients. It’s perfect for small businesses, freelancers and contractors. Whether you need to create and invoice or estimate, Invoice Fly is the #1 invoice app for the job. Keep your finances organized with Invoice Fly, where you can easily create, send and track invoices on your phone. You will be able to configure as many details as you need, adding payment information, taxes, withholding, due dates, extra images, discount, signature and more. Also, you will be notified when the customer receives and opens your invoice. Features: -Create invoices in less than a minute, anywhere you are. -Generate invoices from estimates with a tap. -Choose from different invoice templates and customize them. -Attach images and additional notes. -Discounts per item or total. -Taxes per item or total. -Add signature. -Share or print invoices on the go. -Quickly setup clients from your phone contact list. -Sync all your devices with the same account. -Track your incomes with easy to use reports. -Get notified when the client receives and opens your invoice. -24/7 support Creating and sending an invoice has never been so easy: Step 1: Tap create invoice Step 2: Select your client to bill, easily from your contacts Step 3: Add the desired items and prices Step 4: You are ready to go, save and send. Privacy Policy: https://www.invoicefly.com/privacy-policy Terms of use: https://www.invoicefly.com/terms-and-cond
Window Cleaning Estimator
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Transform your window cleaning business with "Window Cleaning Estimator," the ultimate app designed by window cleaners, for window cleaners. This user-friendly app eliminates the need for monthly fees, putting robust tools right in your pocket without ongoing costs. Key features include: • Instant Estimates & Invoices: Generate accurate estimates, detailed invoices, and receipts on-the-go. • Customer Data Management: Easily save and retrieve customer profiles to streamline your operations. • Custom Window Counters: Tailor the app with custom counters for precise estimate calculations. • Flexible Pricing Options: Set taxes and discounts directly within the app to reflect real-world charges accurately. • Multiple Currencies: Conduct business globally with support for various currencies. • Personalized Business Details: Add your company logo, details. • Offline Capability: Access all features offline, ensuring you can manage your business without an internet connection. • Dedicated Support: Have a question or an idea for a new feature? Contact us directly through the app!
Screenshots
Verdict
The clearest difference is price: Invoice Maker at Free against Window Cleaning Estimator's $7.99. Invoice Maker also leads on update cadence (weekly vs every 6 weeks) and chart position (#8 vs unranked). Window Cleaning Estimator's advantage is in-app purchases (none vs 10). On ads and device support 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
Invoice Maker is free to download; Window Cleaning Estimator costs $7.99 up front. Invoice Maker sells 8 in-app purchases, starting at $8.99 per 7 days. Window Cleaning Estimator asks for nothing beyond the download.
Invoice Maker ships an update weekly, Window Cleaning Estimator every 6 weeks. The most recent releases landed on November 6, 2026 and November 4, 2026 respectively.
| Parameter | Invoice Maker | Window Cleaning Estimator |
|---|---|---|
| Price | Free — better | $7.99 |
| Rating | 4.8 (111K ratings) — better | — |
| Positive reviews | 85.9% of reviews | — |
| Number of ratings | 111K — better | — |
| Update frequency | Weekly — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Best chart rank | #8 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 17.3 |
| Further details — not scored | ||
| Size | 185 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Labhouse Mobile | Michael Haslam |
Bugs and requests
Invoice Maker
Reported bugs
3 issues- Issues with invoice conversion
- Inability to view past invoices
- Inconsistent PDF generation
Requested features
4 requests- Ability to convert estimates to invoices
- Option to save invoices as PDFs
- Integrate with more payment processors
- Improved reporting and analytics
Window Cleaning Estimator
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Invoice Maker
- Invoice Fly Weekly7 Days trial$8.997 Days
- Invoice Fly Weekly3 Days trial2 variants$8.997 Days
- Invoice Fly Weekly2 variants$8.997 Days
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- Invoice Fly Weekly3 Days trial$9.997 Days
- Invoice Fly Premium$17.991 Month
- Unlimited Invoicing$17.991 Month
- Invoice Fly Monthly3 Days trial$17.991 Month
- Invoice Fly Premium$98.991 Year
Window Cleaning Estimator
No in-app purchases
Questions
Is Invoice Maker free?
Is Window Cleaning Estimator free?
Do Invoice Maker or Window Cleaning Estimator have ads?
Which is updated more often, Invoice Maker or Window Cleaning Estimator?
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