# Studio PDF vs RouterChat

The clearest difference is in-app purchases: RouterChat at none against Studio PDF's 1. RouterChat also leads on device support (4 vs 1). Studio PDF's advantage is update cadence (every 3 days vs every 9 days) and iOS requirement (17.0 vs 26.0). On price and ads there is nothing between them.

Both are free to download. Studio PDF sells 1 one-off in-app purchase. RouterChat asks for nothing beyond the download.

Studio PDF ships an update every 3 days, RouterChat every 9 days. The most recent releases landed on October 8, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Studio PDF | RouterChat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (43 ratings)](https://appshunter.io/ios/app/routerchat/id6776368852/reviews)** |
| Number of ratings | — | **43** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 9 days |
| Monetization | — | Free |
| Size | 2 MB | 50 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [Simon DECAESTECKER](https://appshunter.io/developer/1895526351) | [Aleksei Kolchanov](https://appshunter.io/developer/629996537) |

## What reviewers say

### Studio PDF

[App page](https://appshunter.io/ios/app/studio-pdf-local-toolbox/id6763853124)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Studio PDF Pro - Lifetime | $3.99 | one-time |


### RouterChat

[App page](https://appshunter.io/ios/app/routerchat/id6776368852)

This app provides a native interface for OpenRouter, allowing users to engage in AI conversations across Apple devices. It features a pseudo-voice mode for hands-free interaction and syncs data via iCloud.

**Highlights:** OpenRouter integration, Pseudo-voice mode, Cross-platform sync (iPhone, iPad, Watch, CarPlay), iCloud chat storage, Keychain API key saving, Account status monitoring

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Studio PDF free?

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

### Is RouterChat free?

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

### Do Studio PDF or RouterChat have ads?

Neither Studio PDF nor RouterChat shows ads.

### Which is updated more often, Studio PDF or RouterChat?

Studio PDF ships an update every 3 days, and RouterChat every 9 days. Most recently, Studio PDF was updated on October 8, 2026 and RouterChat on October 17, 2026.

---

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