# PDF Prime vs Karax

The clearest difference is ads: Karax at none against PDF Prime's shown. PDF Prime's advantage is iOS requirement (14.0 vs 17.0). On price, update cadence, 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.

PDF Prime ships an update fortnightly, Karax monthly. The most recent releases landed on October 16, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | PDF Prime | Karax |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/karax/id6740981057/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | — | Free |
| Size | 17 MB | 8 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Art Fate E-Commerce Limited](https://appshunter.io/developer/1744856799) | [c3alabs](https://appshunter.io/developer/1792372997) |

## What reviewers say

### PDF Prime

[App page](https://appshunter.io/ios/app/pdf-prime/id6667100922)

**In-app purchases:** none


### Karax

[App page](https://appshunter.io/ios/app/karax/id6740981057)

This intelligent assistant streamlines meeting management by summarizing agendas, capturing real-time discussions and decisions, and organizing action items. It aims to enhance team operations and ensure every meeting is productive and well-documented.

**Highlights:** Instant agenda summaries, Real-time discussion capture, Action item management, Seamless integrations, Mobile accessibility, Effortless documentation

**In-app purchases:** none


## Frequently asked questions

### Is PDF Prime free?

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

### Is Karax free?

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

### Do PDF Prime or Karax have ads?

PDF Prime shows ads; Karax does not.

### Which is updated more often, PDF Prime or Karax?

PDF Prime ships an update fortnightly, and Karax monthly. Most recently, PDF Prime was updated on October 16, 2026 and Karax on September 29, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*