18+
Pi icon

Companion profile · checked

Pi AI: Inflection's free personal AI, apps, limits and privacy

Free conversational AI from Inflection AI on the web, iPhone and Android. 18+, no sexual content.

Price
Free
Minimum age
18+
Adult content
Not allowed
Where
  • iPhone18+
  • AndroidTeen
  • Web18+ per the terms
Companions that allow adult chatOfficial site of Pi (external)

A profile, not a full review: everything here comes from Pi’s official pages and store listings. We did not test it in an account.

01 · What it is

What Pi is

Pi is a conversational AI that Inflection AI calls a personal intelligence. You chat with it by text or voice at pi.ai or in its iPhone and Android apps. It also offers reminders and to-dos, a daily brief and language practice.

  • PiOne persona; no separate characters are published
  • Text chat
  • Voice
  • Reminders and to-dos
  • Daily brief
  • Language practice

Made by Inflection AI, Inc.

02 · The cost

Is Pi free?

USD · checked 2026-10-31 · Pricing source ↗

Pi

$0

No subscription listed

Free as published: pi.ai says “Sign up for free”, both store listings show $0 and the iPhone app has no in-app purchases. No paid plan appears in the terms or help center.

Free use: Inflection said in August 2024 that it would cap message volume for free users; the size of the cap is not published.

03 · Apps

Does Pi have an app?

04 · The rules

Adult content and age rules

The terms ban generating sexually explicit content, and the help center lists romantic and sexual content among the things Pi will not engage in.
Adult content: Not allowedRead the policy ↗ · checked 2026-10-31
The terms say the services are not intended for minors under 18. The App Store rates the app 18+, Google Play shows Teen.
Minimum age: 18Read the terms ↗ · checked 2026-10-31
05 · Privacy

What Pi does with your chats

Pi collects text, voice and audio inputs. You can opt out of model training and of voice emotion inference in account settings. Inputs are generally kept at most 15 days after you delete them, and you can delete chats in settings or by typing “!delete”. Inflection says it does not sell or share personal information as US state laws define those terms. Privacy policy ↗

06 · For adults

Want a companion that allows adult chat?

Pi does not allow sexual content. These services allow adult chat for users 18 and over; each review lists prices, free limits and privacy terms.

Open DreamGF (external site, 18+) Review of DreamGF
Open Lovescape (external site, 18+) Review of Lovescape
Open Romantic AI (external site, 18+) Review of Romantic AI
Open Chub AI (external site, 18+) Review of Chub AI

All adult AI chatsCompare prices and featuresEvery companion app

07 · Questions

Pi: questions people ask

What is Pi AI?

A conversational AI from Inflection AI, Inc., a public benefit corporation. You talk to it by text or voice at pi.ai or in its iPhone and Android apps.

Is Pi AI free?

Yes, as published: pi.ai says “Sign up for free” and both app listings show $0. Inflection said in August 2024 that it would cap messages for free users but has not published the limit.

Does Pi AI have an app?

Yes: “Pi, your personal AI” on the US App Store (iOS 16 or later) and on Google Play. It also runs in a browser at pi.ai.

What is the age limit for Pi AI?

18. The terms say the services are not intended for minors under 18, and the App Store rates the app 18+.

Does Pi AI allow NSFW content?

No. The terms prohibit generating sexually explicit content, and the help center lists romantic and sexual content among the things Pi will not engage in.

Does Pi AI record your conversations?

Its privacy policy says it collects text, voice and audio inputs. You can opt out of model training and delete messages or your account; inputs are generally kept at most 15 days after deletion.

Other companion apps

Sources (10) · checked