uSign vs Flowster
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
uSign
Effortlessly sign and send documents from your mobile device. This app transforms your iPhone or iPad into a powerful e-signature tool for PDFs and other file types. Import, scan, sign, and share documents quickly and easily.
- Sign documents anywhere
- Fill and edit documents
- Create electronic signatures
- Import documents
- Share as PDF or JPG
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uSign is the easiest way to sign and send documents for signature from your iPhones and iPads. uSign app will turn your iPhone or iPad into a powerful instrument for e-signing PDF documents and other formats. Quickly import or scan, add a signature, and share any document as a PDF or JPG file. Key Features: — Easily sign documents anywhere — Fill and edit documents — Create your electronic signature — Import your documents Privacy Policy: http://usign.tilda.ws/policy Terms of Use: http://usign.tilda.ws/terms
Flowster
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Flowster, the only app which connects to your @Create IoAg Remote Interface Controller (RIC) Flow Meter. Use Flowster to check all your Flow Meters or connect directly to a Flow Meter via Bluetooth. Use the Flow menu to view your current Flow Meter readings or use the Flow Total menu to view historical flow data. You can also use the handy Map menu to view your Flow Meter locations. To view our Terms of Service please visit: https://atcreate005.web.app/flowster/terms-of-service To view our Privacy Policy please visit: https://atcreate005.web.app/flowster/privacy-policy
Screenshots
Verdict
The clearest difference is in-app purchases: Flowster at none against uSign's 3. uSign's advantage is update cadence (every 4 weeks vs every 23 months) and iOS requirement (11.0 vs 26.0). 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. uSign sells 3 in-app purchases, starting at $5.99 per 7 days. Flowster asks for nothing beyond the download.
uSign ships an update every 4 weeks, Flowster every 23 months. The most recent releases landed on October 7, 2026 and September 30, 2026 respectively.
| Parameter | uSign | Flowster |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (47 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 47 — better | — |
| Update frequency | Every 4 weeks — better | Every 23 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 11.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 43 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Hendrych Kowalski | ATCREATE INC. |
In-app purchases
uSign
- Premium Weekly3 Days trial$5.997 Days
- Premium Weekly3 Days trial$9.997 Days
- Premium Annual3 Days trial$69.991 Year
Flowster
No in-app purchases









