Alternatives · 2026
Best CustomGPT OS Alternatives in 2026
24 alternatives · 22 with a free plan · Updated
What are the best CustomGPT OS alternatives?
The best CustomGPT OS alternatives for AI App Builder in 2026 are AI FIRST (no-code platform to build, free), Promptologer (no-code AI prompt monetization platform, free) and UniDeck (no-code dashboard builder, free). 22 of the 24 listed alternatives have a free or freemium plan.
Looking for something other than CustomGPT OS? Below are 24 alternatives in AI App Builder, AI Assistant and AI Productivity Tools, all closely matched, ranked by how much they overlap with CustomGPT OS. CustomGPT OS itself is free. Each entry shows what the tool does, what it shares with CustomGPT OS, its key features and pricing.
What is CustomGPT OS?
CustomGPT OS is sold through Gumroad as a Notion-based system for building and managing Custom GPTs. Pricing is not something to guess at here, so check the Gumroad page for the current offer.
- Pricing
- Free
CustomGPT OS alternatives compared
| Tool | Pricing | Shared with CustomGPT OS | Match |
|---|---|---|---|
| CustomGPT OS | Free | — | Original |
| AI FIRST | Free | AI Assistant, AI Productivity Tools, No-Code&Low-Code | Strong match |
| Promptologer | Free | AI App Builder, AI Productivity Tools, No-Code&Low-Code | Strong match |
| UniDeck | Free | AI Assistant, AI Productivity Tools, No-Code&Low-Code | Strong match |
| Tablize | Free | AI App Builder, AI Productivity Tools, No-Code&Low-Code | Strong match |
| Surfsite | Free | AI Assistant, AI Productivity Tools, No-Code&Low-Code | Strong match |
Top 24 alternatives to CustomGPT OS
- #1
No-code platform to build, hire, and sell autonomous AI agents that run sales, marketing, and operations workflows end to end.
In common with CustomGPT OS: AI Assistant, AI Productivity Tools, No-Code&Low-Code
- Build: Create custom agents in minutes with our no-code builder
- Hire: Access a marketplace of pre-built specialized agents
- Monetize: Creators can sell their agents and earn recurring revenue
Pricing: free
- #2
No-code AI prompt monetization platform that lets prompt engineers turn prompts and GPTs into monetized web apps and share them.
In common with CustomGPT OS: AI App Builder, AI Productivity Tools, No-Code&Low-Code
- Platform to monetize prompts & GPTs without code
Pricing: free
- #3U
UniDeck is a no-code dashboard builder that puts email, calendar, and task widgets in one personal workspace with AI insights.
In common with CustomGPT OS: AI Assistant, AI Productivity Tools, No-Code&Low-Code
- Integrates with Google
- GitHub
- Microsoft
Pricing: free
- #4
Tablize is an AI data dashboard and custom app builder that turns raw data into working dashboards, with a free plan to start.
In common with CustomGPT OS: AI App Builder, AI Productivity Tools, No-Code&Low-Code
- AI platform transforming data into dashboards and custom apps effortlessly
Pricing: free
- #5
Surfsite is an AI workspace where businesses bring tools and data into one place, build AI assistants without coding, and automate workflows.
In common with CustomGPT OS: AI Assistant, AI Productivity Tools, No-Code&Low-Code
- Centralizes tools and data in one platform
- Automates tasks and workflows
- Provides real-time insights and analytics
Pricing: free
- #6
Softgen.ai is an AI web app builder for creating full stack web applications without coding, with a Next.js starter and live preview.
In common with CustomGPT OS: AI App Builder, AI Assistant, AI Productivity Tools, No-Code&Low-Code
- AI-powered platform to build web applications without coding
Pricing: free plan, paid plans from $25
- #7
Moldable is an AI app generator that builds custom desktop software from plain-language prompts and keeps your data stored locally on your machine.
In common with CustomGPT OS: AI App Builder, AI Assistant, AI Productivity Tools, No-Code&Low-Code
- Users describe the app they need (e.g
- Apps can be instantly modified by simply asking the Moldable Agent (e.g
Pricing: free
- #8A
AI and No Code Platform helps teams build, launch, and automate digital products and websites without writing code.
In common with CustomGPT OS: AI App Builder, AI Productivity Tools, No-Code&Low-Code
- Faster time to market
- Reduced development costs
- Increased agility and flexibility
Pricing: free
- #9
No-code app builder and database tool that uses AI to organize data tables and automate repetitive team workflows.
In common with CustomGPT OS: AI App Builder, AI Assistant, No-Code&Low-Code
- Free
Pricing: free
- #10E
Windows software for controlling Android phones from a desktop graphical interface, a no-code way to run phone tasks.
In common with CustomGPT OS: AI App Builder, AI Assistant, AI Productivity Tools, No-Code&Low-Code
- Windows software to control Android phones with a graphical interface
Pricing: free
- #11
Command-line AI coding assistant that lets you switch between multiple LLM providers, with control over your data and models.
In common with CustomGPT OS: AI App Builder, AI Assistant, AI Productivity Tools, No-Code&Low-Code
- Fast and quality AI assistance directly in your terminal
- Highly configurable and customizable to suit individual workflows
- Supports multiple LLMs and providers for flexibility
Pricing: free
- #12
AI agent for data and business workflow automation, with no-code and low-code options for teams that want to cut manual work.
In common with CustomGPT OS: AI Assistant, AI Productivity Tools, No-Code&Low-Code
- Perfect for trying out our platform and small personal projects
- Everything you need to master data workflows effortlessly
- Enhanced collaboration and advanced capabilities (Up to 10 users)
Pricing: free
- #13
No-code tool for building AI chat agents and automating workflows, with a free plan to test features first.
In common with CustomGPT OS: AI Assistant, AI Productivity Tools, No-Code&Low-Code
- Agentic Automation - Business ~5
- AI Credits AI Credits
Pricing: free
- #14
No-code platform for building generative AI apps and automating workflows across tools like Notion, Airtable, and Salesforce.
In common with CustomGPT OS: AI App Builder, AI Assistant, No-Code&Low-Code
Pricing: free
- #15
AgentRunner is a cloud-based AI workflow builder for chaining prompts, versioning them, and deploying them through an API.
In common with CustomGPT OS: AI App Builder, AI Assistant, No-Code&Low-Code
- Simplifies AI app development with visual tools
- Offers prompt chaining and versioning
- Supports easy integration with various AI models
Pricing: free
- #16
Alice is a personal AI assistant app for chatting with AI models and automating everyday tasks on desktop computers.
In common with CustomGPT OS: AI Assistant, AI Productivity Tools, No-Code&Low-Code
- Pay once
- All features of Alice
- Unlimited devices
Pricing: paid, from $149
- #17
ZOER is an AI web app generator that builds a full-stack app from a plain-language description, with no coding needed.
In common with CustomGPT OS: AI App Builder, AI Assistant, No-Code&Low-Code
- Up to 3 apps (Public)
- Build and preview your app
- Up to 30 apps (Public & Private)
Pricing: free
- #18
AskSpot is a no-code platform for building custom AI assistants, forms, and automated workflows that you can publish on a website or messaging app.
In common with CustomGPT OS: AI App Builder, AI Assistant, No-Code&Low-Code
- Platform to build custom AI assistants
Pricing: free
- #19
Integrabot is a no-code platform for building AI agents that connect to business systems and automate lead qualification and customer service.
In common with CustomGPT OS: AI App Builder, AI Assistant, No-Code&Low-Code
- Integration with various systems and APIs
- Automated lead qualification and data enrichment
- Improved customer service with 24/7 availability
Pricing: free
- #20
Codeless ONE is a no-code app builder for internal business apps, consolidating sales and project tracking, and automating workflows.
In common with CustomGPT OS: AI App Builder, AI Productivity Tools, No-Code&Low-Code
Pricing: custom quote
- #21
BuildAI is an AI app builder that lets you create web apps from plain text messages without writing code.
In common with CustomGPT OS: AI App Builder, AI Assistant, AI Productivity Tools, No-Code&Low-Code
- Build AI-powered web apps without coding
Pricing: free
- #22P
Parse.dev is a no-code data analysis tool that lets you ask questions about your data in plain English and build live dashboards.
In common with CustomGPT OS: AI Assistant, AI Productivity Tools, No-Code&Low-Code
- AI-powered data analyst simplifying data analysis without SQL or coding
Pricing: free
- #23
No-code platform for building custom AI apps and copilots with natural language, with backend, database and hosting handled automatically.
In common with CustomGPT OS: AI App Builder, AI Assistant, No-Code&Low-Code
- No-code platform for building custom AI apps and copilots
- Handles full stack infrastructure (backend
- Every app is AI-native with a powerful AI assistant
Pricing: free
- #24
Automaited is a no-code workflow automation tool that handles repetitive business processes and case processing with fewer errors.
In common with CustomGPT OS: AI Assistant, AI Productivity Tools, No-Code&Low-Code
- Saves time and increases productivity
- Reduces errors in case processing
- Fast and affordable process automation
Pricing: free
How we picked these CustomGPT OS alternatives
We rank tools by how closely they match CustomGPT OS: tools that share more of its categories rank first, then tools whose main category, tags and description overlap with it, then community votes and views. Pricing type and features come from each product's SoftwareVital listing. Admins can pin or remove tools from this list.
Frequently asked questions
What are the best alternatives to CustomGPT OS in 2026?
The closest alternatives to CustomGPT OS are AI FIRST, Promptologer, UniDeck, Tablize and Surfsite. They are ranked by how many categories and tags they share with CustomGPT OS and how similar their descriptions are, then by community votes and views on SoftwareVital.
What is the closest alternative to CustomGPT OS?
AI FIRST is the closest match because it shares AI Assistant, AI Productivity Tools and No-Code&Low-Code with CustomGPT OS. It is free.
Are there free alternatives to CustomGPT OS?
Yes. 22 of the 24 alternatives have a free or freemium plan, including AI FIRST (free), Promptologer (free), UniDeck (free), Tablize (free) and Surfsite (free). CustomGPT OS is free.
Which CustomGPT OS alternatives are paid or enterprise tools?
Alice - Your Personal AI Assistant App (paid) and Codeless ONE (enterprise) use paid or enterprise pricing, which usually means more support and admin options for teams.
How does CustomGPT OS compare to AI FIRST?
AI FIRST overlaps with CustomGPT OS in AI Assistant, AI Productivity Tools and No-Code&Low-Code. Its listed features include build: Create custom agents in minutes with our no-code builder, hire: Access a marketplace of pre-built specialized agents and monetize: Creators can sell their agents and earn recurring revenue. Pricing: free. Open the side-by-side compare page for a full breakdown.
What category is CustomGPT OS in?
CustomGPT OS is listed under AI App Builder on SoftwareVital. Browse that category to see more tools in the same group.