# Free AI phone assistant Source: https://terminio.ai/en/ratgeber/free-ai-phone-assistant · Updated: 2026-09-12 What sits behind “free”, where the costs really are and what an honest start looks like. A permanently free AI phone assistant hardly exists, and that is not the providers being stingy: every phone number and every call minute costs telephony, speech recognition, a language model and speech synthesis, and somebody bills for that. What does exist are trial periods, free allowances and free entry points into plans that then hold the assistant on a higher tier. Here is what those offers really mean, where the costs sit, and what a start costs that hides nothing, terminio.ai's included. ## The short answer: a permanently free one does not exist An AI phone assistant is not a form that gets programmed once and then costs nothing. On every call four things run that are billed by the minute: the phone line, the speech recognition, the language model that leads the conversation, and the speech synthesis. On top comes the phone number, which costs money every month whether anyone calls or not. A provider that gives all of that away loses money on every call. That is why “free” only comes in three forms: as a trial that ends; as an allowance that runs out; or as an entry into a plan in which the assistant sits on a higher tier. All three are legitimate. It only becomes dishonest when the word is printed so large that the condition behind it can no longer be seen. So the right question is not whether there is a free assistant, but what the start costs, what comes after it, and whether you can leave at any time. This article answers those three questions. ## What providers mean when they say “free” Behind the same word sit very different things. Put the offers side by side and five patterns appear. - Trial period: seven or fourteen days free, then the full price. Useful if you receive real calls in that time; worthless if the call forwarding only goes live at the end. - Free allowance: a handful of minutes or calls a month, then a per-minute price. Enough to try, not enough for a business with twenty calls a week. - Free plan of the platform: booking page or calendar free, the phone assistant on a paid tier. That is how terminio.ai does it. - Developer platforms with starting credit: a few dollars of credit, then per-minute prices, and you build the assistant yourself. - “Free” with a setup fee or a minimum term: the monthly price looks small, the bill arrives over the term. ## Where the costs really sit Whether an offer is fair is decided not by the advertised price but by what stands next to it. Five items make the difference with a phone assistant, and every one of them can be missing from the advert and present on the invoice. The phone number: some providers put it in the flat rate, others charge extra, with others you need your own telephony. The minutes: how many are included, and what does a minute beyond them cost? Setup: a one-off from nothing to several hundred euros, four figures with practice software. The term: cancel monthly or an annual contract. And for practices: per business or per practitioner. Two practitioners double the price with some providers. How to work out your own minute demand and compare the three pricing models on the market is in the article on what an AI phone assistant costs. In short: count your missed calls for a week, reckon about two and a half minutes per call, and you know whether a free allowance plays any role for you at all. ## Building it yourself: free only on paper If you are technically minded you will find developer platforms where a minute costs a few cents and the start comes with credit. That is the route for businesses with their own IT, or for an agency that builds and runs the assistant. For a salon, a workshop or a practice it is usually the most expensive route, even though the minute looks cheap. Because the work is not in the minute: writing the conversation logic, connecting the calendar, building forwarding and callbacks, getting a number, checking data protection, testing, and doing it all again with every change to the flow. No per-minute price shows those hours. Reckon them at your hourly rate and the free starting credit is the smallest number on the sheet. ## What an honest start looks like At terminio.ai the start is free, the phone assistant is not, and both are on the pricing page. With Free you begin without payment details: booking page, calendar, app, up to 50 bookings and 5 WhatsApp reminders a month. Pro costs €19.99 a month and can be tried free for seven days. The AI phone assistant comes with Pro Voice at €129.99 a month: German phone number and 200 call minutes included, every further minute €0.25. Pro Voice has no trial, because the number and the minutes are ready on day one and cost money. In return there is no setup fee, no minimum term and one price for the whole business, not per practitioner. Whoever finds after a month that it does not fit cancels at the end of the month and has paid exactly one month. That is our answer to the question about “free”: not the word, but an exit that costs nothing. Do the sums: €129.99 for 200 minutes is about €0.65 per included minute at full use. A salon with twenty missed calls a week and two and a half minutes per call needs about 215 minutes a month, so about €133.74. A single saved appointment a week covers that in most businesses. ## How to recognise a fair offer Whoever you end up with: these six points should be on the pricing page without you having to ask sales. - The monthly price, and whether it applies per business or per practitioner. - The included minutes and the price of a minute beyond them. - Whether the phone number is included or costs extra. - Setup fee: yes or no, and how much. - Notice period: monthly or an annual contract. - What else is in the price: booking page, reminders, calendar, app. ## In short - The short answer: A permanently free AI phone assistant hardly exists, because the number and every call minute cost the provider money. “Free” means a trial, a free allowance or a free entry into a plan. - The number to remember: Count a week of missed calls and reckon two and a half minutes per call. Twenty missed calls a week are about 215 minutes a month, more than any free allowance. - The honest start: At terminio.ai you start on Free without payment details. The phone assistant comes with Pro Voice at €129.99 a month, number and 200 minutes included, no setup fee, cancel monthly. ## Common questions **Is there a free AI phone assistant?** Permanently free, hardly, because the number, telephony, speech recognition and the language model cost the provider money per minute. What exists: trials of seven to fourteen days, free allowances of a few minutes, and free entry into plans where the assistant sits on a paid tier. At terminio.ai the start on Free is free; the phone assistant comes with Pro Voice. **What does an AI phone assistant cost?** On the market between roughly €30 and several hundred euros a month, depending on whether billing is per minute, per call or a flat rate, whether the number is included, and whether the price applies per business or per practitioner. terminio.ai Pro Voice costs €129.99 a month with a German number and 200 minutes, then €0.25 per minute. **Can I try an AI phone assistant for free?** With many providers yes, for seven to fourteen days. Make sure you can forward real calls in that time, otherwise you are only testing the interface. At terminio.ai Pro has a seven-day trial; Pro Voice with the phone assistant starts without a trial but can be cancelled monthly, with no setup fee. **Isn't an answerphone the free alternative?** It costs nothing but delivers almost nothing: most callers hang up instead of speaking, and whoever speaks has to be called back. An AI phone assistant books the appointment during the call, and the caller is done. The difference is not in the price of the device but in the appointments that arrive. **Why does Pro Voice at terminio.ai have no free trial?** Because the number and the call minutes are ready on day one and terminio.ai pays for them. Instead of a trial there is no setup fee, no minimum term and cancellation at the end of the month. Whoever stops after a month has paid one month and nothing more. **Is an AI phone assistant worth it for a small business at all?** Do the sums with your own numbers: missed calls a week, the share of them that wanted an appointment, times your average appointment value. For most salons, studios and practices one saved appointment a week covers the monthly price. With two missed calls a week it is not worth it, and we will tell you so. ## AI phone assistant for your industry. - [Hair salons & barbershops](https://terminio.ai/en/branchen/hairdressers/ai-phone-assistant) - [Independent garages & tyre services](https://terminio.ai/en/branchen/car-workshops/ai-phone-assistant) - [Beauty salons & waxing studios](https://terminio.ai/en/branchen/beauty-salons/ai-phone-assistant) - [Physiotherapy practices](https://terminio.ai/en/branchen/physiotherapy/ai-phone-assistant) - [Nail studios](https://terminio.ai/en/branchen/nail-salons/ai-phone-assistant) - [Tattoo & piercing studios](https://terminio.ai/en/branchen/tattoo-studios/ai-phone-assistant) - [Gyms & personal trainers](https://terminio.ai/en/branchen/personal-trainers/ai-phone-assistant) - [Doctors & medical practices](https://terminio.ai/en/branchen/medical-practices/ai-phone-assistant) - [Dental practices](https://terminio.ai/en/branchen/dental-practices/ai-phone-assistant) - [Massage & wellness studios](https://terminio.ai/en/branchen/massage-wellness/ai-phone-assistant) - [Dog groomers & pet care](https://terminio.ai/en/branchen/dog-groomers/ai-phone-assistant) - [Lash & brow studios](https://terminio.ai/en/branchen/lash-and-brow-studios/ai-phone-assistant) - [Naturopaths & complementary practices](https://terminio.ai/en/branchen/naturopaths/ai-phone-assistant) - [Coaches & counsellors](https://terminio.ai/en/branchen/coaches-and-counsellors/ai-phone-assistant) - [Driving schools](https://terminio.ai/en/branchen/driving-schools/ai-phone-assistant) - [Veterinary practices](https://terminio.ai/en/branchen/veterinary-practices/ai-phone-assistant) - [Car detailing & valeting](https://terminio.ai/en/branchen/car-detailing/ai-phone-assistant) - [Yoga & pilates studios](https://terminio.ai/en/branchen/yoga-and-pilates-studios/ai-phone-assistant) - [Photographers & studios](https://terminio.ai/en/branchen/photographers/ai-phone-assistant) - [Tutoring & private lessons](https://terminio.ai/en/branchen/tutoring/ai-phone-assistant) - [Opticians & hearing care](https://terminio.ai/en/branchen/opticians/ai-phone-assistant) - [Tax advisers & law firms](https://terminio.ai/en/branchen/law-and-tax-firms/ai-phone-assistant) - [Financial & insurance advisers](https://terminio.ai/en/branchen/financial-advisers/ai-phone-assistant) - [Estate agents](https://terminio.ai/en/branchen/estate-agents/ai-phone-assistant) - [Trades & construction](https://terminio.ai/en/branchen/trades/ai-phone-assistant) - [Service businesses of every kind](https://terminio.ai/en/branchen/service-businesses/ai-phone-assistant) --- terminio.ai is online appointment booking for small businesses with WhatsApp reminders and an AI phone assistant, from €0 a month, hosted in the EU. Provider: terminio.ai UG (haftungsbeschränkt), Großschönau, Saxony, Germany.