# Build Studio vs RouterChat for OpenRouter

The clearest difference is in-app purchases: Build Studio at none against RouterChat for OpenRouter's 1. Build Studio also leads on iOS requirement (13.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

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

Build Studio ships an update fortnightly, RouterChat for OpenRouter every 9 days. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Build Studio | RouterChat for OpenRouter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (47 ratings)](https://appshunter.io/ios/app/routerchat-for-openrouter/id6776368852/reviews)** |
| Number of ratings | — | **47** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 9 days** |
| Monetization | — | Freemium |
| Size | 27 MB | 84 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [Stephen Farmer](https://appshunter.io/developer/1885439231) | [Aleksei Kolchanov](https://appshunter.io/developer/629996537) |

## What reviewers say

### Build Studio

[App page](https://appshunter.io/ios/app/build-studio/id6760635211)

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

**In-app purchases:** none


### RouterChat for OpenRouter

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

This AI client allows you to interact with various language models through text or voice. Organize conversations, attach files, and export your chats. An optional Pro version unlocks advanced features like hands-free and CarPlay support.

**Highlights:** Choose and switch AI models, Text and voice input/output, Attach PDFs and images, Organize chats with Bookmarks, Export chats to Markdown/JSON, Hands-free and CarPlay support (Pro)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RouterChat.Pro | $12.99 | one-time |


## Frequently asked questions

### Is Build Studio free?

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

### Is RouterChat for OpenRouter free?

RouterChat for OpenRouter is free to download, with in-app purchases available.

### Do Build Studio or RouterChat for OpenRouter have ads?

Neither Build Studio nor RouterChat for OpenRouter shows ads.

### Which is updated more often, Build Studio or RouterChat for OpenRouter?

Build Studio ships an update fortnightly, and RouterChat for OpenRouter every 9 days. Most recently, Build Studio was updated on October 31, 2026 and RouterChat for OpenRouter on November 5, 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.*