Comparison

Build Studio vs RouterChat for OpenRouter

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Build Studio

Features
Read full description

Build Studio is a project management app designed for construction and interior design teams. It helps users manage projects, track progress, share updates, organize documents, and collaborate efficiently in one place.

About

RouterChat for OpenRouter

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
Read full description

RouterChat is a native, unofficial OpenRouter client for iPhone and iPad. Choose the AI model for your task, ask by text or voice, and keep useful answers organized. CHOOSE YOUR MODEL Browse models available to your OpenRouter account, save favorites, and switch models for different tasks. Compare responses with Fusion, or create images and videos with compatible models. Configure supported tools for search and other tasks, then inspect reported tool activity and source excerpts. TALK OR TYPE Record a prompt or listen to a reply. Use Speech for transcription and text-to-speech. Pro adds Hands-free conversations and a CarPlay interface on iPhone. On Apple Watch, enter or record a question, then read or play the answer. KEEP USEFUL ANSWERS Ask about PDFs and most text files with compatible models, including files shared from the iOS share sheet. Attach images when your chosen model supports them. Read answers with Markdown, formatted math, syntax-highlighted code, and Mermaid diagrams. Save useful passages with Bookmarks, name your chats, and return to earlier messages to start new conversation branches. Export chats to Obsidian-compatible Markdown or JSON, and continue saved chats on iPhone, iPad, and Mac with optional iCloud history. For development work, share .ips crash reports, Jetsam reports, and other diagnostic logs to investigate with your chosen model. CONTROL YOUR SETUP Check your OpenRouter key status, credits, balance, usage, and limits. Choose provider data preferences and whether to use iCloud for saved chats and settings. Your OpenRouter key is stored in the device Keychain. FREE APP FEATURES. OPTIONAL LIFETIME PRO. Core chat, manual voice input and playback, manual Speech transcription and text-to-speech, Bookmarks, and exports do not require Pro. RouterChat.Pro is one optional lifetime purchase for iPhone, iPad, and Mac App Store. It unlocks Hands-free and CarPlay conversations, regional endpoint selection, custom system-message editing, and saved parameter profiles for individual models. Current and future Pro features are included. BRING YOUR OPENROUTER ACCOUNT Sign in with OpenRouter or use an API key. Provider usage is billed separately; Pro does not include OpenRouter credits or model licenses. PDF parsing can add charges. Model availability, pricing, capabilities, tool support, and provider data policies vary. Regional endpoints require an eligible account and compatible models.

Screenshots

Build Studio4 screens
RouterChat for OpenRouter4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level
Build Studio versus RouterChat for OpenRouter: the parameters behind the verdict, then further details
ParameterBuild StudioRouterChat for OpenRouter
PriceFreeFree
Rating—4.9 (47 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—47 — better
Update frequencyFortnightlyEvery 9 days — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPad, iPodiPhone, iPad, Mac, Apple Watch — better
Requires iOS13.0 — better26.0
Further details — not scored
Size27 MB84 MB
Age rating4+12+
DeveloperStephen FarmerAleksei Kolchanov

In-app purchases

None

Build Studio

No in-app purchases

1 purchases

RouterChat for OpenRouter

One-time1
  • RouterChat.Pro$12.99

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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