# PolyPDF vs Subtext

The clearest difference is update cadence: PolyPDF at every 3 weeks against Subtext's every 3 months. PolyPDF also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

PolyPDF ships an update every 3 weeks, Subtext every 3 months. The most recent releases landed on October 8, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | PolyPDF | Subtext |
| --- | --- | --- |
| 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 | **Every 3 weeks** | Every 3 months |
| Monetization | Freemium | — |
| Size | 57 MB | 7 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Euclidean Software LLC](https://appshunter.io/developer/955362555) | [Yue Pu](https://appshunter.io/developer/1797037988) |

## What reviewers say

### 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


### Subtext

[App page](https://appshunter.io/ios/app/subtext-read-between-lines/id6776961247)

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

**In-app purchases:** none


## Frequently asked questions

### Is PolyPDF free?

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

### Is Subtext free?

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

### Do PolyPDF or Subtext have ads?

Neither PolyPDF nor Subtext shows ads.

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

PolyPDF ships an update every 3 weeks, and Subtext every 3 months. Most recently, PolyPDF was updated on October 8, 2026 and Subtext on October 4, 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.*