NoteWall-Never Forget Things vs Stack0 (2026)

Side-by-side revenue comparison with verified public data.

NoteWall-Never Forget Things

NoteWall-Never Forget Things

https://apps.apple.com/app/id6755601996

NoteWall turns your lock screen into a personal reminder board. Add notes, reminders, goals, habits, or quotes, and they appear right on your lock screen. --- Site Content --- for iPhone iPhone iPad Mac Vision Watch TV Today Games Apps Arcade Platform iPhone iPad Mac Vision Watch TV Lock Screen Notes: NoteWall goals & reminders widgets Only for iPhone Free · In‑App Purchases Share 3 Ratings 5.0 Ages 4+ Years Category Productivity Developer Karol Billik Language EN + 3 More Size 91.8 MB iPhone Your lock screen. Your goals. Every single time you pick up your phone. You forget things for one simple reason: you don’t see them. NoteWall fixes that. Every time you pick up your iPhone, you get a tiny chance to refocus. The average person checks their phone 498 times per day—that’s 498 chances to remember your goals, stop scrolling, and do what actually matters. NoteWall turns your lock screen into a personal reminder board. Add notes, reminders, goals, habits, or quotes, and they appear right on your lock screen. No widgets. No notifications. No extra steps. Just clear, simple notes you see every single time you wake your screen. Perfect for: Quick notes & reminders Daily goals and affirmations Habit tracking Motivation & focus To-do lists you won’t forget Pin your priorities where you’ll actually see them—on your lock screen. more Ratings & Reviews 5.0 out of 5 3 Ratings What’s New Version History Easier Setup — We've streamlined the entire onboarding so you go from download to your first wallpaper faster than ever. Simplified Experience — NoteWall now focuses purely on your lock screen, the one place you look 400+ times a day. Less clutter, more focus. Share the Focus — New sharing feature! Spread the word and invite friends to join the no-distraction movement. Bug fixes & performance improvements. 1.4.2 16h ago We’ve added powerful new ways to customize your notes! - Custom Text Styling: You can now adjust the font, color, size, and alignment of your notes directly in Settings to match your exact style. - New Highlight Modes: Make your text pop with new outline, white, and black background styles—perfect for any wallpaper. - Performance Improvements: We’ve polished the app and squashed bugs for a smoother experience. Thank you for using NoteWall! If you enjoy the update, please consider leaving a review. 1.4.1 Feb 4 We improved NoteWall to help you remember tasks, routines, and important things more easily. Minor fixes and improvements. 1.4 Feb 1 We improved NoteWall to help you remember tasks, routines, and important things more easily. Minor fixes and improvements. 1.3.3 Jan 22 Minor bug fixes and improvements 1.3.2 Jan 19 We improved NoteWall to help you remember tasks, routines, and important things more easily. Minor fixes and improvements. 1.3.1 Jan 5 We’ve improved the onboarding to make setting up NoteWall easier from the start. Plus a few bug fixes and small improvements. 1.3 12/30/2025 We improved the onboarding to better guide you through the setup, because getting started should feel easy. Plus some bug fixes and small improvements. 1.2 12/19/2025 Bug fixes and performance improvements. 1.1 12/15/2025 1.0 12/11/2025 Easier Setup — We've streamlined the entire onboarding so you go from download to your first wallpaper faster than ever. Simplified Experience — NoteWall now focuses purely on your lock screen, the one place you look 400+ times a day. Less clutter, more focus. Share the Focus — New sharing feature! Spread the word and invite friends to join the no-distraction movement. Bug fixes & performance improvements. more Version 1.4.2 16h ago App Privacy App Privacy The developer, Karol Billik , indicated that the app’s privacy practices may include handling of data as described below. This information has not been verified by Apple. For more information, see the developer’s privacy policy . To help you better understand the developer’s responses, see Privacy Definitions and Examples . Privacy practices may vary, for example, based on the features you use or your age. Learn More Data Linked to You The following data, which may be collected and linked to your identity, may be used for the following purposes: Analytics Purchases Purchase History Identifiers User ID Device ID Usage Data Product Interaction App Functionality Purchases Purchase History User Content Photos or Videos Other User Content Identifiers User ID Device ID Usage Data Product Interaction Data Not Linked to You The following data, which may be collected but is not linked to your identity, may be used for the following purposes: Analytics Diagnostics Crash Data Performance Data App Functionality Diagnostics Crash Data Performance Data The developer, Karol Billik , 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 Linked to You The following data may be collected and linked to your identity: Purchases User Content Identifiers Usage Data Data Not Linked to You The following data may be collected but it is not linked to your identity: Diagnostics Privacy practices may vary, for example, based on the features you use or your age. Learn More Accessibility The developer has not yet indicated which accessibility features this app supports. Learn More Information Seller Karol Billik Size 91.8 MB Category Productivity Compatibility Requires iOS 17.0 or later. iPhone Requires iOS 17.0 or later. Languages English and 3 more English, French, German, Spanish Age Rating 4+ 4+ Learn More In-App Purchases Yes Lifetime $5.99 Lifetime $3.99 Yearly $5.99 Monthly $1.99 Learn More Copyright © 2025 NoteWall Developer Website Privacy Policy License Agreement More by Karol Billik Bible Verse Widgets: FaithWall daily verse and prayers View United States Español (México) العربية Русский 简体中文 Français (France) 한국어 Português (Brazil) Tiếng Việt 繁體中文 (台灣) Select a country or region Africa, Middle East, and India See All Algeria Angola Armenia Azerbaijan Bahrain Benin Botswana Brunei Darussalam Burkina Faso Cameroun Cape Verde Chad Côte d’Ivoire Congo, The Democratic Republic Of The Egypt Eswatini Gabon Gambia Ghana Guinea-Bissau India Iraq Israel Jordan Kenya Kuwait Lebanon Liberia Libya Madagascar Malawi Mali Mauritania Mauritius Morocco Mozambique Namibia Niger (English) Nigeria Oman Qatar Congo, Republic of Rwanda São Tomé and Príncipe Saudi Arabia Senegal Seychelles Sierra Leone South Africa Sri Lanka Tajikistan Tanzania, United Republic Of Tunisia Turkmenistan United Arab Emirates Uganda Yemen Zambia Zimbabwe Asia Pacific See All Afghanistan Australia Bhutan Cambodia 中国大陆 Fiji 香港 Indonesia (English) 日本 Kazakhstan 대한민국 Kyrgyzstan Lao People's Democratic Republic 澳門 Malaysia (English) Maldives Micronesia, Federated States of Mongolia Myanmar Nauru Nepal New Zealand Pakistan Palau Papua New Guinea Philippines Singapore Solomon Islands 台灣 Thailand Tonga Turkmenistan Uzbekistan Vanuatu Vietnam Europe See All Albania Armenia Österreich Belarus Belgium Bosnia and Herzegovina Bulgaria Croatia Cyprus Czechia Denmark Estonia Finland France (Français) Georgia Deutschland Greece Hungary Iceland Ireland Italia Kosovo Latvia Lithuania Luxembourg (English) Malta Moldova, Republic Of Montenegro Nederland North Macedonia Norway Poland Portugal (Português) Romania Россия Serbia Slovakia Slovenia España Sverige Schweiz Türkiye (English) Ukraine United Kingdom Latin America and the Caribbean See All Anguilla Antigua and Barbuda Argentina (Español) Bahamas Barbados Belize Bermuda Bolivia (Español) Brasil Virgin Islands, British Cayman Islands Chile (Español) Colombia (Español) Costa Rica (Español) Dominica República Dominicana Ecuador (Español) El Salvador (Español) Grenada Guatemala (Español) Guyana Honduras (Español) Jamaica México Montserrat Nicaragua (Español) Panamá Paraguay (Español) Perú St. Kitts and Nevis Saint Lucia St. Vincent and The Grenadines Suriname Trinidad and Tobago Turks and Caicos Uruguay (English) Venezuela (Español) The United States and Canada See All Canada (English) Canada (Français) United States Estados Unidos (Español México) الولايات المتحدة США 美国 (简体中文) États-Unis (Français France) 미국 Estados Unidos (Português Brasil) Hoa Kỳ 美國 (繁體中文台灣) Copyright © 2026 Apple Inc. All rights reserved. Internet Service Terms App Store & Privacy Cookie Warning Support

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Stack0

Stack0

https://www.stack0.dev

Stack0 provides AI-native developer tools for email, CDN, screenshots, and AI extraction. --- Site Content --- Stack0 Products Docs Pricing Use Cases llms.txt Log in Get Started AI Workflows, email, files, video, screenshots, and integrations for apps and AI agents . One SDK. Get Started SDK AI Agents Copy $ bun install @stack0/sdk TypeScript Python Ruby Go Copy import { Stack0 } from '@stack0/sdk' const stack0 = new Stack0 () // Store files await stack0 . cdn . upload ({ file , folder : 'receipts' }) // Send emails await stack0 . email . send ({ to , subject , body }) // Connect to Salesforce, Slack, Drive... await stack0 . integrations . hubspot . createContact ({ email , name }) Read the docs or View on GitHub TRUSTED BY What is Stack0? Stack0 gives you a complete backend through a single SDK. Install the package, add your API key, and you can send emails, store files, process video, take screenshots, extract data, and connect to third-party services — all from one import. No more stitching together Resend for email, S3 for files, Mux for video, and Zapier for integrations. Stack0 replaces all of them with one consistent, type-safe API. Every service works the same way: initialize, call, done. It works with any framework — Next.js, Express, Hono, FastAPI, Rails, and more. SDKs for TypeScript, Python, Ruby, and Go. AI agents can use it as a tool to interact with the real world. You pay only for what you use, starting at $5/month. Example stack0.email.send() → transactional & marketing email stack0.cdn.upload() → global file storage & CDN stack0.video.merge() → video processing & composition stack0.integrations.* → Salesforce, Slack, HubSpot, Drive... Everything you need. One SDK. Pay only for what you use. Plans start at $5/month. No surprises, no long-term contracts. AI Workflows Chain multi-step AI pipelines across providers $0.001/step Integrations Connect to Salesforce, Slack, HubSpot, and 350+ APIs $1/1K calls Email Transactional and marketing emails with templates and tracking $0.50/1K CDN Store files, images, and videos with edge delivery $0.25/GB Extraction Turn any webpage into structured JSON with AI $2/1K Screenshots Capture any webpage as an image $1/1K Video HLS streaming, transcoding, and thumbnails $5/1K min All services through a single @stack0/sdk import. View full pricing → MCP Server Give any AI agent access to Stack0 through the Model Context Protocol. Connect it to Claude, Cursor, Windsurf, or any MCP-compatible client. Install npx @stack0/mcp The MCP server exposes every Stack0 service as a tool. Your agent can send emails, upload files, take screenshots, extract data, and call 350+ integrations — all through natural language. It works with any MCP client: Claude Desktop, Claude Code, Cursor, Windsurf, VS Code, and custom agent frameworks. Just point your client at the server and your agent gains real-world capabilities. Available tools email.send cdn.upload cdn.delete screenshots.take extraction.run video.merge integrations.* FAQ What is Stack0? Stack0 is a unified backend SDK that gives you email, file storage, CDN, video processing, screenshots, data extraction, and 350+ third-party integrations through a single package. What languages and frameworks are supported? TypeScript, Python, Ruby, and Go. Works with Next.js, Express, Hono, Deno, Bun, FastAPI, Rails, and any AI agent framework that supports tool calling. How does pricing work? Plans start at $5/month with usage-based pricing per service. You only pay for what you use. No long-term contracts, cancel anytime. Can AI agents use Stack0? Yes. Every SDK method works as an agent tool. Your LLM can send emails, upload files, take screenshots, and call third-party APIs through Stack0. Do I need separate API keys for each service? No. One API key, one SDK import. All services are available through the same @stack0/sdk package. Is there a free tier? Every plan includes $5 in free credits to get started. No credit card required to sign up. Start building today The complete backend for apps and AI agents. One SDK, one bill. Get Started Products AI Workflows Integrations Email CDN & Storage Extraction Screenshots Video Use Cases AI Workflows Integrations Email CDN & Storage Screenshots AI Extraction All Use Cases Comparisons Stack0 vs Resend Stack0 vs SendGrid Stack0 vs Cloudinary Stack0 vs ScreenshotOne Stack0 vs Firecrawl All Comparisons Free Tools JSON Formatter JWT Debugger UUID Generator QR Code Generator Regex Tester DNS Record Generator OG Image Generator Image Compressor Token Counter Email Auth Checker JSON Schema Generator Webhook Tester Prompt Playground Video Thumbnail Robots.txt Generator Meta Tag Generator YAML/JSON Converter HTTP Status Codes SSL Checker Subtitle Generator Diff Checker SQL Formatter Color Converter SVG Optimizer All Tools Resources Documentation API Reference Pricing Agents llms.txt GitHub Company Terms Privacy Status © 2026 Stack0 All systems operational

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Revenue Comparison

Monthly Recurring Revenue (MRR)

NoteWall-Never Forget Things
$12
Stack0
$10

Total Revenue

NoteWall-Never Forget Things
$101
Stack0
$20

Last 30 Days Revenue

NoteWall-Never Forget Things
$77
Stack0
$10

Category Comparison

Shared Categories

Only Stack0

More Comparisons

NoteWall-Never Forget Things vs Stack0: Revenue Comparison

NoteWall-Never Forget Things has $12 MRR compared to Stack0's $10 MRR. In total revenue, NoteWall-Never Forget Things has earned $101 while Stack0 has earned $20.

Both products operate in: saas, developer-tools, analytics, productivity, e-commerce, customer-support, content-creation, security, recruiting-and-hr, utilities, legal, entertainment. This makes them direct competitors in these market segments.

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