Backplain vs Notebook
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/
Notebook
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Notebook: AI Voice Notes from audio to insight Turn hours of talk into minutes of clarity. Xnote transforms recordings, PDFs, and text into smart, structured notes. Perfect for meetings, lectures, and big ideas How it works Record or Upload - Capture any audio or import files instantly. AI Summaries - Get clear notes, action items, and insights in seconds. Organize & Share - Keep everything in one place, ready when you are. Why Notebook: AI Voice Notes? Forget messy transcripts - get clean, actionable notes that work for you. Stay focused in the moment. Notebook: AI Voice Notes takes care of the rest. Built for clarity For thinkers, students, and professionals who turn ideas into results. Listen less. Understand more. Act faster. Subscription Information: Notebook: AI Voice Notes offers flexible premium plans for full access: - Weekly - Unlock all premium features. Billed weekly. - Annual - Get a discount by paying yearly. Billed annually. Payment & Auto-Renewal Terms - Payment is charged to your Apple ID account at purchase confirmation. - Subscriptions renew automatically unless canceled at least 24 hours before the renewal date. - Manage or cancel anytime in Settings → Apple ID → Subscriptions. - If you subscribe before a free trial ends, the remaining trial period is forfeited. Privacy Policy: https://docs.google.com/document/d/1JkFBsCRke3zGDArVykCci7OQ_x_XVAUTng6cmZICc7c/edit?usp=sharing Terms of Use: https://docs.google.com/document/d/1JkFBsCRke3zGDArVykCci7OQ_x_XVAUTng6cmZICc7c/edit?usp=sharing Terms of Use (EULA): Apple’s Standard EULA https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: Notebook at every 2 weeks against Backplain's monthly. Backplain's advantage is iOS requirement (15.1 vs 18.0). On price, ads, in-app purchases 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
Both are free to download. Backplain sells 2 in-app purchases, starting at $9.99 per month and Notebook sells 2 in-app purchases, starting at $14.99 per month. Whichever you choose, the download price is not the number that matters.
Backplain ships an update monthly, Notebook every 2 weeks. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.
| Parameter | Backplain | Notebook |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Monthly | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.1 — better | 18.0 |
| Further details — not scored | ||
| Size | 37 MB | 24 MB |
| Age rating | 17+ | 4+ |
| Developer | Backplain Inc. | Stanislav Ponamorenko |
In-app purchases
Backplain
- Backplain Pro Monthly14 Days trial$9.991 Month
- Backplain Pro Yearly1 Year trial$99.991 Year
Notebook
- Monthly access3 Days trial$14.991 Month
- Annual access$59.991 Year









