Sigmax vs Invoice Docs Maker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sigmax
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Tired of piles of papers just to get a signature? Sigmax makes signing fast, easy, and totally stress-free. Key Features: - Import docs your way Support PDF files and photos from camera, gallery, or files. Start fast with flexible import. - Sign your way Draw, type in stylish fonts, or use saved signatures—move, resize, and add as many as you want. - Add text & pics Drop in text or images directly inside your documents. - Stay organized All your recent docs and signatures are saved and easy to rename, share, delete, or manage. - Print in a snap Pick printer, pages, copies, paper size, and layout—done without leaving the app. Whether you’re creating digital signatures, approving contracts, filling out forms, Sigmax makes it quick and easy—done in seconds, no hassle. We offer multiple subscription options for you: -$9.99/week(3-day free trial) -$9.99/week -$19.99/year -$34.99/year • Payment will be charged to iTunes Account at confirmation of purchase. • Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. • Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. • Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. Privacy Policy: https://www.freeprivacypolicy.com/live/b4baff6e-61f8-491e-b138-b13696060fd3 Terms of Use:https://www.freeprivacypolicy.com/live/f2a037ca-a61e-4802-a0b5-8e5785c44762
Invoice Docs Maker
Create professional invoices and PDF bills quickly and easily without sign-up or cloud storage. Manage clients, add line items, discounts, taxes, and signatures. Everything is stored locally on your device for maximum privacy.
- Create invoices with line items, discounts, and taxes
- Auto-numbering for invoices
- Add digital signatures
- Manage client list
- 150+ currencies supported
- Export and share as PDF
- Revenue reports
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Invoice Docs Maker lets you create clean, professional invoices and send them as PDF — no sign-up, no cloud, no hassle. Open the app, pick a client, add your items, done. Your invoice is ready. Share it, save it, print it. Here's what you get: — Create invoices with line items, discounts, taxes, and shipping — Auto-numbering so you don't have to think about it — Set your own terms, notes, and due dates — Save your business info once, use it on every invoice — Add a digital signature right from your phone — Pick a PDF template (Classic, Modern, or Bold) and your brand color — Manage your client list in one place — 150+ currencies supported Everything stays on your device. No accounts. No tracking. Your data is yours. With PRO you can: — Export and share invoices as PDF — Save files to your phone or cloud — Print directly to any AirPrint printer — See your revenue reports — what's paid, what's pending, what's overdue Built for freelancers, small businesses, and anyone who's tired of chasing payments with messy spreadsheets. Privacy Policy: https://telegra.ph/Privacy-Policy-04-22-86 Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: Invoice Docs Maker at every 4 days against Sigmax's every 4 weeks. On price, ads, in-app purchases 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. Sigmax sells 4 in-app purchases, starting at $9.99 per 7 days and Invoice Docs Maker sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.
Sigmax ships an update every 4 weeks, Invoice Docs Maker every 4 days. Both last shipped on November 5, 2026.
| Parameter | Sigmax | Invoice Docs Maker |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.0 (4 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 4 — better |
| Update frequency | Every 4 weeks | Every 4 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Freemium |
| Devices | iPhone | iPhone |
| Requires iOS | 16.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 27 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | 雅菲 高 | Pro Plays |
In-app purchases
Sigmax
- Sigmax Pro Week13 Days trial$9.997 Days
- Sigmax Pro Week2$9.997 Days
- Sigmax Pro Year1$19.991 Year
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- Sigmax Pro Year2$34.991 Year
Invoice Docs Maker
- PRO Weekly3 Days trial$2.997 Days
- PRO Monthly$9.991 Month
- PRO Annual$59.991 Year







