Backplain vs CosmicUp
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Backplain
Access over 30 AI models in one app to get faster, better answers. Compare responses from multiple AI engines side-by-side to instantly find the smartest solution. Boost productivity for research, writing, coding, and more.
- Access 30+ AI models
- Side-by-side response comparison
- Boost productivity
- Affordable subscription
- Private and secure
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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/
CosmicUp
Access multiple advanced AI chatbots and assistants in a single application. Seamlessly switch between models for tasks like writing, coding, document analysis, and image generation. Organize conversations and conduct web research with ease.
- Multi-AI Chat with context switching
- AI Writing Assistant for various content
- AI Code Assistant for development
- File and Document Analysis
- AI Image Generator
- Folder organization for conversations
- Real-time web search and deep research
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CosmicUp – The AI Cosmos in your pocket. Discover the future of Artificial Intelligence with CosmicUp, the only app that brings together the most advanced AI chatbots and assistants in one place. With a single subscription you can access ChatGPT, Claude, Gemini, Grok, Llama, DeepSeek and many more powerful models. - Why CosmicUp? Stop switching between apps. CosmicUp combines ChatGPT, Claude, Gemini, Grok, Llama and DeepSeek in one seamless platform. Whether you need an AI assistant for daily tasks, an AI chatbot for conversations, or advanced tools for AI writing and AI image generation, CosmicUp delivers it all. - Key Features: 1. Multi-AI Chat Switch between different models like ChatGPT, Claude, Gemini, Grok, Llama, DeepSeek while keeping the context of your conversation. The most powerful AI chatbot experience ever. 2. AI Writing Assistant Boost your creativity with AI writing tools. Write essays, blogs, ads, social posts or professional documents in seconds. Let ChatGPT or Claude polish your text while Gemini or DeepSeek give you fresh insights. 3. AI Code Assistant Turn your ideas into functional code. Get real-time suggestions, debugging help and perfectly formatted results. From beginners to developers, ChatGPT, Claude and Grok make coding easier. 4. File & Document Analysis Upload and analyze PDFs, DOCX, CSV, XLSX, PPT, TXT and PNG files. Your AI assistant will summarize, explain and extract insights instantly. Gemini and DeepSeek are especially powerful for document understanding. 5. AI Image Generator Unleash your creativity with AI image generation. Use DALL·E or any other image model to create stunning visuals from simple text prompts. Whether for design, art, or fun, AI image tools bring your imagination to life. 6. Folders & Organization Organize your conversations with folders and subfolders. Manage work, study and creative projects with ease. 7. CosmicUp Web & Deep Research Search the internet in real time with CosmicUp Web, or let CosmicUp DeepResearch scan 50+ websites to create a detailed research report in minutes. Perfect for students, professionals and researchers. - Who Uses CosmicUp? Students using an AI assistant for study, homework, notes and research. Professionals using AI chatbots for productivity, emails, presentations and brainstorming. Writers and marketers using AI writing tools for blogs, ads and social media content. Developers using ChatGPT, Claude, Gemini, Grok for coding support. Creators and designers using AI image tools like DALL·E or any other ai image model available. - Why CosmicUp is Unique? Unlike other apps, CosmicUp doesn’t lock you to one AI. Instead, it gives you the freedom to choose between ChatGPT, Claude, Gemini, Grok, Llama and DeepSeek. You can mix, compare and find the best AI answer for your needs. One app, one subscription, unlimited AI power. Download CosmicUp – Multiple AI one app today and unlock the full AI cosmos. Experience the power of AI assistant, AI chatbot, AI writing and AI image generation all in one place. CosmicUp: The future of AI, now in your hands. By using the app, you confirm that you acknowledge and accept Terms of Use (EULA), our Privacy Policy and Terms And Conditions: - https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ - https://cosmicup.me/privacy-policy/ - https://cosmicup.me/terms-and-conditions/
Screenshots
Verdict
The clearest difference is ads: Backplain at none against CosmicUp's shown. Backplain also leads on ratings volume (3 vs 1). On price, rating, in-app purchases and monetization model 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
Both are free to download. Backplain sells 2 in-app purchases, starting at $9.99 per month and CosmicUp sells 4 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 5.0 for Backplain against 5.0 for CosmicUp. Both are backed by a comparable volume of ratings — 3 and 1 respectively.
| Parameter | Backplain | CosmicUp |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | 1 |
| Update frequency | Monthly | — |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 14.0 — better |
| Further details — not scored | ||
| Size | 37 MB | 26 MB |
| Age rating | 17+ | 17+ |
| Developer | Backplain Inc. | LumaUp sp z o.o |
In-app purchases
Backplain
- Backplain Pro Monthly14 Days trial$9.991 Month
- Backplain Pro Yearly1 Year trial$99.991 Year
CosmicUp
- CosmicUp Plus Weekly3 Days trial$5.997 Days
- CosmicUp Plus Monthly$19.901 Month
- CosmicUp Plus Yearly$196.991 Year
- Reset Thunder Counter$6.99









