# Krinkle Well Sites vs DartPDF

The clearest difference is update cadence: DartPDF at every 3 days against Krinkle Well Sites's every 11 months. Krinkle Well Sites's advantage is iOS requirement (13.2 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Krinkle Well Sites ships an update every 11 months, DartPDF every 3 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Krinkle Well Sites | DartPDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/dartpdf-edit-pdf-documents/id6780083686/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 3 days** |
| Monetization | — | Free |
| Size | 59 MB | 53 MB |
| Requires iOS | **13.2** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Krinkle, LLC](https://appshunter.io/developer/1188803452) | [Railway Engineering Solutions Pty Ltd](https://appshunter.io/developer/1565117809) |

## What reviewers say

### Krinkle Well Sites

[App page](https://appshunter.io/ios/app/krinkle-well-sites/id1497031363)

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

**In-app purchases:** none


### DartPDF

[App page](https://appshunter.io/ios/app/dartpdf-edit-pdf-documents/id6780083686)

Edit, annotate, and sign PDF documents directly on your device. This app allows you to fill forms, redact sensitive information, rearrange pages, and even edit text and images within PDFs. All changes are saved locally, ensuring your data remains private.

**Highlights:** Edit text and images, Fill forms and add signatures, Redact sensitive content, Rearrange and export pages, OCR scanned PDFs, Full-text search

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Krinkle Well Sites free?

Krinkle Well Sites is free to download, with no in-app purchases.

### Is DartPDF free?

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

### Do Krinkle Well Sites or DartPDF have ads?

Neither Krinkle Well Sites nor DartPDF shows ads.

### Which is updated more often, Krinkle Well Sites or DartPDF?

Krinkle Well Sites ships an update every 11 months, and DartPDF every 3 days. Most recently, Krinkle Well Sites was updated on October 25, 2026 and DartPDF on October 24, 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.*