WN White Noise vs Simple Invoice Maker Generator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WN White Noise
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White Noise means positive "inner-voice" that exists within every human being. This was our inspiration in creating this brand. We believe that every individual human being must have a positive voice within themselves. And this sound will have a positive impact on him and the surrounding environment.
Simple Invoice Maker Generator
Quickly create and send professional invoices and estimates for your business. Track payments and expenses with smart receipt generation and automatic calculations. Ideal for freelancers, contractors, and small businesses.
- Create professional invoices
- Generate estimates
- Track payments
- Manage expenses
- Smart receipt generation
- Automatic calculations
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Billvoice – Invoice & Estimate App for Contractors Create professional invoices, estimates, and work orders in seconds. Perfect for contractors, tradies, and self-employed professionals who bill by the job. Get paid faster. Why Choose Billvoice as Your Invoice Maker? The fastest way to create invoices for your business Simple invoice generator that works for any industry Professional invoice templates ready to use Easy estimate maker that converts to invoices Smart receipt generator with automatic calculations Complete payment and expense tracker
Screenshots
Verdict
The clearest difference is in-app purchases: WN White Noise at none against Simple Invoice Maker Generator's 3. WN White Noise also leads on update cadence (every 3 days vs fortnightly) and iOS requirement (12.0 vs 15.0). On price, 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
Both are free to download. Simple Invoice Maker Generator sells 3 in-app purchases, starting at $2.99 per 7 days. WN White Noise asks for nothing beyond the download.
WN White Noise ships an update every 3 days, Simple Invoice Maker Generator fortnightly. Both last shipped on September 9, 2026.
| Parameter | WN White Noise | Simple Invoice Maker Generator |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.8 (12 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 12 — better |
| Update frequency | Every 3 days — better | Fortnightly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 61 MB | 122 MB |
| Age rating | 4+ | 4+ |
| Developer | Sabbil Hasny | GULNUR DUZGUN |
In-app purchases
WN White Noise
No in-app purchases
Simple Invoice Maker Generator
- Essential Pack Subscription1 Month trial$2.997 Days
- Essential Pack Subscription1 Month trial$4.991 Month
- Essential Pack Subscription1 Month trial$39.991 Year
Questions
Is WN White Noise free?
Is Simple Invoice Maker Generator free?
Do WN White Noise or Simple Invoice Maker Generator have ads?
Which is updated more often, WN White Noise or Simple Invoice Maker Generator?
Other comparisons
