Backplain - Compare AI
Chat and compare
Free · In‑App Purchases
Your all-in-one AI hub is now half off. Holiday Special sale: 50% off annual plans.
Backplain – Your All-in-One AI Chat Hub
Access 30+ powerful AI models in one place and get better answers faster. Backplain sends your prompt to up to 10 AI engines at once—so you can compare responses side-by-side and instantly pick the smartest solution.
Why Backplain?
Multiple AI Models, One App: Chat with top AI engines like ChatGPT, PaLM, Llama, and more—all from a single interface.
Instant Side-by-Side Comparison: Skip the guesswork. See how different AI models respond and choose the answer that works best for you.
Boost Your Productivity: Perfect for research, writing, studying, coding help, brainstorming, decision-making, and idea exploration.
One Affordable Subscription: Unlimited access to all AI models for just $9.99/month. No extra tokens or hidden fees.
Private & Secure: Built with modern security and privacy practices to help keep your data safe.
How It Works
Install Backplain
Sign up and start chatting
Send a prompt
Watch up to 10 AI models respond simultaneously
Compare answers and pick the best one
Backplain is built for students, professionals, creators, researchers, and anyone who wants reliable, high-quality answers—fast. Discover smarter insights, save time, and elevate your workflow with the power of multi-model AI.
Start your free trial today and experience AI like never before.
We are the Backplane of AI!
This application is subject to the standard Apple EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
* New models (GPT-5.1 and Gemini 3 Pro Preview) and speed improvements
* Bug fixes and performance upgrades
The developer, Backplain Inc., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Backplain Inc.
- Size
- 39 MB
- Category
- Productivity
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPad
Requires iPadOS 15.1 or later. - iPod touch
Requires iOS 15.1 or later.
- Languages
- English
- Age Rating
16+
- 16+
- In-App Purchases
Yes
- Backplain Pro Monthly $9.99
- Backplain Pro Yearly $99.99
- Copyright
- © 2025 Backplain Inc.