# Sketch360 vs PolyPDF

Sketch360 and PolyPDF are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Sketch360 ships an update monthly, PolyPDF every 3 weeks. The most recent releases landed on October 13, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Sketch360 | PolyPDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/polypdf/id6751167250/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | — | Freemium |
| Size | 43 MB | 57 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Alcazar, LLC](https://appshunter.io/developer/1475483623) | [Euclidean Software LLC](https://appshunter.io/developer/955362555) |

## What reviewers say

### Sketch360

[App page](https://appshunter.io/ios/app/sketch360/id6468101105)

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

**In-app purchases:** none


### PolyPDF

[App page](https://appshunter.io/ios/app/polypdf/id6751167250)

This app provides a PDF studio for drawing-set review and markup on iPad and iPhone. It allows users to open plans, navigate pages, measure to scale, add various annotations, and save their work. Advanced features are available via an optional Pro purchase.

**Highlights:** Drawing-set review, PDF markup tools, Measure to scale, Add callouts, shapes, stamps, Markup Table for findings, Export and share PDFs

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Sketch360 free?

Sketch360 is free to download, with no in-app purchases.

### Is PolyPDF free?

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

### Do Sketch360 or PolyPDF have ads?

Neither Sketch360 nor PolyPDF shows ads.

### Which is updated more often, Sketch360 or PolyPDF?

Sketch360 ships an update monthly, and PolyPDF every 3 weeks. Most recently, Sketch360 was updated on October 13, 2026 and PolyPDF on October 8, 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.*