HeadHack plans: limits, voice and paying with Stars

August 8, 2026Updated August 29, 2026Plans · Voice · Payment

The whole price list in one place: how many messages and voice replies each plan gives, what Stars are charged for on top of the subscription, and what happens when a limit hits the ceiling.

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There are four plans, and all of them are paid for with Telegram Stars — the same currency as gifts in the messenger. There is no separate checkout, card or invoice: payment happens inside Telegram, the subscription uses its own built-in mechanism and renews itself. The period is exactly 30 days.

What each plan includes

Free — 0 ⭐. 50 messages a month, 1 document in the knowledge base, an FAQ of up to 5,000 characters, 3 AI setup generations, a memory of 10 messages, 10 voice replies.
Go — 149 ⭐. 500 messages, 5 documents, an FAQ of up to 20,000 characters, 20 AI generations, a memory of 30 messages, 100 voice replies.
Plus — 499 ⭐. 3,000 messages, 20 documents, an FAQ of up to 100,000 characters, 100 AI generations, a memory of 100 messages, 600 voice replies.
Pro — 2499 ⭐. 15,000 messages, 30 documents, an FAQ of up to 100,000 characters, 500 AI generations, a memory of 200 messages, 3,000 voice replies.

A message here is one reply from the assistant to the other person. Conversation memory is how many earlier turns the assistant has in front of it when writing the next one: on Free it remembers the last ten messages, on Pro two hundred. AI setup generations are spent when you ask the model to write a system prompt or assemble a profile for you — not when the assistant answers a client.

The watermark, and how paid plans differ from Free

On Free the assistant signs some outgoing messages with @head_hack_bot — the first reply of the month and every tenth after that. That is the only thing the other person sees: none of the other differences between plans are visible to them. On Go, Plus and Pro there is no signature at all.

The second difference is the support chat in the mini app: it is open on the paid plans. On Free you set up the knowledge base, documents and calendar yourself, and there is plenty of material for it — start with the guide on how a Telegram auto-reply bot works.

30 days of Go for free

The bot has a private channel, and subscribing to it opens the Go plan for 30 days at no cost. The “Subscribe to the channel” and “Check subscription” buttons sit in the bot's very first message after /start: it checks your membership and switches the plan on. It is granted once and only to people currently on Free — an active Go cannot be extended this way.

When the 30 days end the plan automatically becomes Free — nothing is charged, but the watermark may reappear in outgoing replies.

Voice replies: quota and Stars

Voice is not sold as a separate extra — every plan has a voice reply quota, Free included. Beyond the quota, and for the expensive voices, Stars are drawn from a prepaid balance, in this order:

An included voice within the quota — free, spends one unit of the quota.
An included voice beyond the quota — charged to the Stars balance by the characters spoken.
A premium voice — always charged to the balance, and never spends the plan's quota.

If there are not enough Stars for a premium voice, the reply is still spoken — in an included voice — and the owner gets a notification. If both the quota and the balance are exhausted, the assistant answers with text: staying silent is not an option. A detailed breakdown of voice prices is in the post premium voices for Stars, and setting up the voice side is covered in the guide voice auto-reply in Telegram.

The balance is topped up in bundles: 250 ⭐, 1000 ⭐ and 5000 ⭐ — roughly 12, 48 and 240 replies in a premium voice. Charging is by the characters actually spoken rather than by the length limit you set, so short replies cost less. Previewing a voice sample is free for any voice, including the most expensive.

What happens when a limit runs out

The message limit is counted per calendar month and resets on the first. When it is used up, the assistant stops answering, and the owner gets a message naming the plan, the month in which the limit ran out and a link to “Plan and payment” in the mini app. There is no quiet degradation: an explicit stop is better than replies you do not know about.

When the paid period ends, the plan becomes Free — along with its limits and its watermark. Cancelling a subscription does not switch the plan off immediately: it runs to the end of the paid period, and simply does not renew.

Common questions

How much does HeadHack cost?

There is a free plan at 0 ⭐ and three paid ones: Go at 149 ⭐, Plus at 499 ⭐ and Pro at 2499 ⭐. The price is for 30 days and is charged in Telegram Stars.

Can I use it for free?

Yes. Free is a permanent plan, not a trial: it does not expire. It gives 50 messages and 10 voice replies a month, and some outgoing messages are signed with @head_hack_bot.

How do I get 30 days free?

Subscribe to the bot's private channel and press “Check subscription” in the message after /start — the Go plan switches on for 30 days at no cost. The offer works if you are currently on Free.

Can I pay by card instead of Stars?

Payment goes through Telegram Stars. Stars are bought inside the messenger itself, and the subscription uses Telegram's own mechanism, renewing automatically every 30 days.

What is the watermark and which plans have it?

It is the @head_hack_bot signature the assistant adds to the first reply of the month and to every tenth after that. It only happens on Free — on Go, Plus and Pro outgoing messages carry no signature.

Are voice replies included in the plan?

Yes, every plan has a quota: Free — 10 replies a month, Go — 100, Plus — 600, Pro — 3,000. There is nothing extra to pay for voice until the quota runs out or you pick a premium voice.

Why does a premium voice spend Stars even when the quota is untouched?

Premium voices cost more to synthesise, so they are always paid from the balance and never spend the plan's quota. The quota is sized for the included voices, and premium does not eat into it — which is what keeps the ordinary replies free.

What happens when the message limit runs out?

The assistant stops answering until the end of the calendar month, and you get a notification naming the plan and pointing you at “Plan and payment”. The limit resets on the first.

What happens if I cancel the subscription?

The plan keeps working until the end of the paid period — cancelling only switches off auto-renewal. After that date the account moves to Free, and your data and settings stay where they are.

Which plan should I choose?

Go by your incoming volume: Go with 500 messages for regular conversations, Plus with 3,000 for an active profile, Pro with 15,000 for heavy traffic. You can start with 30 days of Go for subscribing to the channel and watch what you actually spend.

Your plan is shown in the mini app under “Plan and payment”, along with the remaining allowance, the Stars balance for voice and the buttons to switch. If the assistant is not connected yet, start with signing in — connecting without Telegram Premium covers both routes.

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