# uSign vs Flowster

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.

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.

## The numbers

| Metric | uSign | Flowster |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (47 ratings)](https://appshunter.io/ios/app/usign-sign-documents/id6463132201/reviews)** | — |
| Number of ratings | **47** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 23 months |
| Monetization | Free with in-app purchases | — |
| Size | 43 MB | 1 MB |
| Requires iOS | **11.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hendrych Kowalski](https://appshunter.io/developer/1703990075) | [ATCREATE INC.](https://appshunter.io/developer/1623520671) |

## What reviewers say

### uSign

[App page](https://appshunter.io/ios/app/usign-sign-documents/id6463132201)

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.

**Highlights:** Sign documents anywhere, Fill and edit documents, Create electronic signatures, Import documents, Share as PDF or JPG

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $5.99 | per 7 days |
| Premium Weekly | $9.99 | per 7 days |
| Premium Annual | $69.99 | per year |


### Flowster

[App page](https://appshunter.io/ios/app/flowster/id6476015416)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is uSign free?

uSign is free to download, with in-app purchases available.

### Is Flowster free?

Flowster is free to download, with no in-app purchases.

### Do uSign or Flowster have ads?

Neither uSign nor Flowster shows ads.

### Which is updated more often, uSign or Flowster?

uSign ships an update every 4 weeks, and Flowster every 23 months. Most recently, uSign was updated on October 7, 2026 and Flowster on September 30, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*