# Plasmarse vs PDFeather

The clearest difference is in-app purchases: Plasmarse at none against PDFeather's 3. Plasmarse also leads on iOS requirement (15.1 vs 18.0). PDFeather's advantage is update cadence (weekly vs every 6 weeks). On price, ads and device support there is nothing between them.

Both are free to download. PDFeather sells 3 in-app purchases, starting at $4.99 per month. Plasmarse asks for nothing beyond the download.

Plasmarse ships an update every 6 weeks, PDFeather weekly. The most recent releases landed on August 21, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Plasmarse | PDFeather |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Size | 49 MB | 5 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Netducational LLC](https://appshunter.io/developer/1406883043) | [Patrick Vo](https://appshunter.io/developer/1896714719) |

## What reviewers say

### Plasmarse

[App page](https://appshunter.io/ios/app/plasmarse/id1548005821)

**In-app purchases:** none


### PDFeather

[App page](https://appshunter.io/ios/app/pdfeather-pdf-reader-and-editor/id6801833585)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDFeather Pro Monthly | $4.99 | per month |
| PDFeather Pro Yearly | $29.99 | per year |
| PDFeather Pro Lifetime. | $59.99 | one-time |


## Frequently asked questions

### Is Plasmarse free?

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

### Is PDFeather free?

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

### Do Plasmarse or PDFeather have ads?

Neither Plasmarse nor PDFeather shows ads.

### Which is updated more often, Plasmarse or PDFeather?

Plasmarse ships an update every 6 weeks, and PDFeather weekly. Most recently, Plasmarse was updated on August 21, 2026 and PDFeather on September 15, 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.*