Pick the plan that fits what you build
Every plan comes with credits, and a credit is a unit of work rather than a message. A change to an app, a whole new app, an image, a video: each costs in proportion to the work it takes, so the small things stay small. Browsing, publishing and hosting cost nothing.
- Publishing, hosting and HTTPS
- Images made with AI, 1 credit each
- A database, a login and email
- Version history, so nothing is lost
- Connectors: 200 calls a month
- Unused credits carry one month
- A security check on your code
- Edit from Claude, Telegram or API
- Free forever, and no card needed
- Everything in Free
- Every model up to Opus, your pick
- Power Seth, for a fuller app
- Video, and the better image model
- Analytics, SEO and tests on a build
- Code on GitHub, GitLab or a ZIP
- An Android and iOS project to build
- Auto-heal for a published app
- No Setherion badge on your app
- 20 GB for your own pictures
- Buy extra credits any time
- Your tickets answered first
- 3 domains · 5,000 connector calls
- Everything in Pro
- Fable 5.1 and GPT-6 Astra
- Max Seth, with a polish pass
- Your whole team in one account
- No charge per person
- Roles across all your apps
- A credit limit for each member
- A year of audit log, not 90 days
- Automatic reaches for the top
- 25 domains, up from 3
- 40,000 connector calls, 8x Pro
- Tickets answered ahead of Pro
- Everything in Business
- Volume pricing
- Invoice and contract
Setherion for Enterprise
Everything in Business, for a whole company, with the numbers agreed with you instead of picked off a plan.
Who can change what
Owner, admin, editor and viewer, on a whole workspace or on one app. Somebody brought in to fix a page cannot publish the company site.
A budget, not a surprise
Changes and connector calls are counted and stopped per account, so one busy team cannot spend the month on the first Monday.
Your own domains and apps
How many of each, and which, set in the agreement instead of by the plan somebody happened to pick.
Someone answers
A paying account’s ticket is ranked ahead the moment it arrives, by the server rather than by whoever opens the desk first.
Run out before the month does?
Extra credits are for subscribers. On the free plan a pack would cost more than Pro and give you less, so the better move is the plan itself.
See the plansUnused credits roll over once.
What you do not spend carries into the next month, up to one month’s worth. Anything you buy on top stays until you use it.
A broken change costs nothing.
If a change leaves the app unable to run, the credits go back to your account on their own.
Change or cancel whenever.
Moving up starts now, and you pay only for the days left. Moving down, or between monthly and yearly, starts at your next renewal. Manage subscription is where you change your card or stop.
Payments by Stripe
Your card details go to Stripe and never reach us.
Covered by GDPR
We are a company in the EU, so GDPR applies to everything we hold about you.
Leave whenever you like
Cancel from Manage subscription, or delete your account from Settings.
What you build is yours
You own your apps and their code, and the paid plans can export it.
Frequently asked questions
What is Setherion?
Setherion builds working web apps from a description in plain words. You say what you want, it writes the app, and you keep improving it by asking for changes, or by editing the code yourself on a paid plan. When it is ready, you publish it with hosting and HTTPS included.
What's included in the free plan?
125 credits every month, enough for one new app and ten changes to it on the fast model. You can publish it, give it a database, a login and email, connect it to other services, and make images with AI. No card is needed, and it stays free.
What is a credit, and what does a change cost?
Credits are how work is counted. On the standard model the paid plans use, a new app costs 50 credits and a change costs 15. On the fast model it is 25 and 10. A picture made with AI costs from 1 credit and a video clip from 110. The model menu above the chat shows how many changes your credits cover on each model before anything runs, and if a change leaves your app unable to run, its credits come back on their own.
Do chat replies and checks cost credits?
A little. A reply in the chat costs 1 credit on the fast model and 3 on the standard one, about a tenth of a change, and rewriting one element with AI costs about the same. A security or SEO check costs 3 on the fast model and 8 on the standard one, about a fifth of a change, and a bigger model costs more, the same way a change does. Each button says its price before you press it, and if the answer never arrives, the credits come back. Reading a file you attach, planning a build or suggesting a domain costs nothing.
What happens when I run out of credits?
On Free, your credits refill on the first of every month. On Pro and Business they refill every month on your billing day, and you can buy extra credits whenever you need them: 400 for $10, 1,200 for $30, 2,400 for $60 or 4,800 for $120. Extra credits never expire and are used only after your monthly ones.
Do unused credits roll over?
Yes, once. What you do not spend carries into the next month, up to one month's worth, so a quiet month is not a wasted one. Credits you buy on top never expire.
Monthly or yearly: what is the difference?
A year costs the same as 10 months and gives you 12. Your credits still arrive every month, the same amount as on monthly billing, so the saving is on the price. You can switch between the two, and the switch happens at your next renewal.
Can I change or cancel my plan?
Yes. Moving to a bigger plan happens right away: you pay only for the days left in your month, and the extra credits for those days arrive at once. Moving to a smaller plan, or between monthly and yearly, happens at your next renewal, with nothing charged and no credits taken. To cancel, open Manage subscription. Your plan keeps working until the end of the period you paid for.
Can I get a refund?
Yes, when the mistake is ours: a double or wrong charge, or a fault that kept you from using what you paid for. Within 14 days of a purchase you can also withdraw, and we refund the credits you have not used; for those 14 days Settings, under Billing, shows a Withdraw from contract here button. A renewal you have not used at all is refunded if you tell us within 7 days. Credits already used are not refunded, and a change that breaks your app gives its credits back on its own.
Who owns the apps I build?
You do. Your instructions, your code and your content are yours, and we claim no rights to them. On Pro and Business you can send the code to GitHub or GitLab, or download it as a ZIP, and take it wherever you like.
How are apps published?
One click puts your app online at its own address on setherion.app, with HTTPS, on every plan. Pro lets you connect up to 3 domains of your own, and Business up to 25.
Can I edit my apps from Claude or Telegram?
Yes, on every plan. Connect your account to Claude, link the Telegram bot, or make an API key, all from Settings, and ask for a change from there. Each change spends the same credits it would in the editor, and a change that breaks your app gives them back.
What are connector calls?
They count what your published apps do on their own: calls to the services and AI you connected, emails they send, and writes to their database. Free includes 200 a month and Pro starts at 5,000. We email you at 80% and again at 100%. Nothing stops until 150%, and even then your pages stay online and their data can still be read. Only new calls, emails and writes pause until the next month or a bigger plan.
What happens if a payment fails?
Stripe tries your card again over the following days and emails you a link to update it. Your plan keeps working meanwhile, and the new month's credits arrive as soon as the payment goes through. If it never does, the plan ends and your account moves to Free.
Still have a question?
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