# nexusStack vs PDFSignerScanner

The clearest difference is update cadence: PDFSignerScanner at every 11 days against nexusStack's monthly. PDFSignerScanner also leads on iOS requirement (16.0 vs 18.6). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. nexusStack sells 8 one-off in-app purchases and PDFSignerScanner sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

nexusStack ships an update monthly, PDFSignerScanner every 11 days. The most recent releases landed on September 10, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | nexusStack | PDFSignerScanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/nexusstack/id6752594953/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 11 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 41 MB | 13 MB |
| Requires iOS | 18.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ryan Bliss](https://appshunter.io/developer/1840088819) | [MANJUR KOLHAR](https://appshunter.io/developer/1845533906) |

## What reviewers say

### nexusStack

[App page](https://appshunter.io/ios/app/nexusstack/id6752594953)

Manage projects, clients, and tasks efficiently with a unified workspace. Organize notes, track deliverables, brainstorm with mind maps, and link to GitHub repositories and Confluence pages. Offers customizable themes for a personalized experience.

**Highlights:** Job Stacks for organized projects, Deliverables & Checklists tracking, Rich text notes with formatting, Visual mind mapping with PDF export, GitHub repository browser, Confluence link integration, Customizable themes

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Midnight Neon Theme | $0.99 | one-time |
| Support the Developer - $2 | $1.99 | one-time |
| Support the Developer – $5 | $4.99 | one-time |
| Repo Pro Basic | $5.99 | one-time |
| Repo Pro Advanced | $9.99 | one-time |
| Support the Developer – $10 | $9.99 | one-time |
| Repo Pro Ultimate | $19.99 | one-time |
| Support the Developer – $20 | $19.99 | one-time |


### PDFSignerScanner

[App page](https://appshunter.io/ios/app/pdfsignerscanner/id6754396681)

Easily add your signature to PDF documents. Create a signature by drawing, taking a photo, or importing an image. The app allows you to customize placement, size, and ink color before exporting a final, shareable PDF.

**Highlights:** Signature creation (draw, photo, import), Signature background cleaning, Signature cropping, Customizable signature placement, Multiple ink colors, Export signed PDFs

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Unlock | $4.99 | one-time |


## Frequently asked questions

### Is nexusStack free?

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

### Is PDFSignerScanner free?

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

### Do nexusStack or PDFSignerScanner have ads?

Neither nexusStack nor PDFSignerScanner shows ads.

### Which is updated more often, nexusStack or PDFSignerScanner?

nexusStack ships an update monthly, and PDFSignerScanner every 11 days. Most recently, nexusStack was updated on September 10, 2026 and PDFSignerScanner on September 5, 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.*