--- title: Niyora vs an AI companion for PMS and PMDD · Niyora description: AI companion apps like Replika are built for open-ended chat. Niyora knows your cycle and helps you through the hard PMS moment. Checked facts. url: https://niyora.com/compare/niyora-vs-ai-companion/ --- [All comparisons](https://niyora.com/compare/) # Niyora vs an AI companion: which helps with PMS and PMDD? AI companions like Replika are built for open-ended chat. Niyora knows your cycle and helps you through the hard PMS moment. Coming soon on Android Checked on 13 October 2026 against Replika’s own site and App Store listing. ## The short answer - 01 AI companion apps, such as Replika, are built for ongoing conversation with an AI friend. - 02 Niyora is a PMS and PMDD support app. It knows where you are in your cycle, and Moon helps you calm down, see it another way and decide what to say. - 03 Niyora has no account and removes names and places on your phone before the AI sees your text. Feature by feature ## How Niyora and Replika compare Every Replika entry is what Luka, Inc. says on its own site, help pages or App Store listing. Where it says nothing, the table says so. | Feature | Niyora | Replika | | --- | --- | --- | | What it is | A PMS and PMDD support app for the hard moment, with a cycle calendar. | An AI companion app that you talk to by text, voice or video. Replika is the example here. | | Built for | The days before your period, when a feeling hits and you have to decide what to do next. | Ongoing conversation with an AI friend. | | Help in the hard moment When it’s happening, not after | Built for it Tell Moon what happened. Swipe through other ways to see it, each with its source, calming activities and facts about your body, then decide what to say, with drafts. | In part You can talk any moment through. It doesn’t know your cycle and isn’t built around PMS. | | PMS and PMDD | A predicted PMS window, a library of common PMS and PMDD scenarios, your saved moments mapped by cycle day, and a cycle report PDF for a doctor or therapist. | None described. | | Cycle prediction | Predicts your period and PMS window from your own logged cycles or your Apple Health period history. | None. | | AI | Moon runs on a leading AI model under enterprise terms. Names and places are replaced on your phone first, and your text isn’t used to train the models. | The whole app is an AI companion, with proactive suggestions, calls and image generation. | | Account | None. No sign-up, email or password. | Yes. Its App Store label lists email address and user ID for app functionality. | | Your data | Entries are encrypted on your phone. Its App Store label lists no data used to track you and none linked to you. | Its App Store label lists Identifiers and Usage Data as used to track you. | | Price | Free to start. Premium is $8.99 a month or $29.99 a year. Lifetime is $79.99 until 30 November 2026. | Free, with paid plans. The US App Store lists monthly plans at $7.99 and $14.99, yearly plans at $49.99 and $69.99, and Replika Platinum at $89.99. | | Free version | Moon moments each month, the cycle calendar and PMS window, and calming activities. | Free to download and chat. The listing doesn’t break down what the paid plans add. | | Platforms | iPhone today. Android coming soon. | iPhone and Android. | Sources for Replika, checked 13 October 2026: Replika’s App Store listing (US) ; Replika’s homepage . Sources for Niyora: its [privacy policy](https://niyora.com/privacy/) and [App Store listing](https://apps.apple.com/app/niyora-pms-emotions/id6764561688). Who each is for ## Who Niyora and Replika are for Niyora is for you if You want help with one hard moment before your period, from something that knows your cycle, and then you want to get on with your day. Replika is for you if You want an AI to talk to about anything, day to day, with a character that remembers you. The difference ## What Niyora does that Replika doesn’t Measured against what Replika describes on its own pages on 13 October 2026. - ### It knows your cycle Niyora predicts your PMS window from your own cycles, so Moon knows when a hard moment lands in it. - ### A start and an end Moon takes you from what happened to a decision: wait, or send a message you’ve drafted together. - ### Every idea shows its source Each perspective names where it comes from, such as CBT, Stoic philosophy or self-compassion research. - ### Private by design No account. Entries are encrypted on your phone, names and places are removed before the AI sees your text, and your text isn’t used to train the AI. Pricing ## What Niyora and Replika cost Niyora Free to start Monthly $8.99 Yearly $29.99 Lifetime $79.99 until 30 November 2026 Free: Moon moments each month, the cycle calendar and PMS window, and calming activities. Replika Free, with paid plans. The US App Store lists monthly plans at $7.99 and $14.99, yearly plans at $49.99 and $69.99, and Replika Platinum at $89.99. Free version: Free to download and chat. The listing doesn’t break down what the paid plans add. Source: US App Store, read 13 October 2026. Prices can differ by country and change with offers. Niyora prices are in US dollars on the US App Store. Premium adds unlimited Moon moments, your patterns, the cycle report and asking Moon about your past moments. Privacy ## What happens to what you log What each app declares in its App Store privacy label and its own policy. Each line is the company’s own declaration. Niyora Account None. No email, password or sign-in. Where entries live Encrypted on your phone, with a key that never leaves it. Before the AI sees it Names and places are replaced on your phone. Your text isn’t used to train the AI. Used to track you (App Store label) None declared Linked to your identity None declared Collected, not linked to you Health, Purchase History, Photos or Videos, Other User Content, Device ID Replika Account Yes. Its App Store label lists email address and user ID for app functionality. Used to track you (App Store label) Identifiers, Usage Data Linked to your identity Location, Contact Info, Identifiers, Usage Data App Store label read 13 October 2026. [What nine cycle apps declare about your data](https://niyora.com/compare/privacy/) FAQ ## Questions about Niyora and Replika Can an AI companion help with PMDD? + An AI companion such as Replika can talk with you about anything, including how your day went. Its App Store listing doesn’t describe anything built for PMS or PMDD. Niyora is a PMS and PMDD support app. It predicts your PMS window, and Moon helps you through a specific moment. Is Moon an AI friend? + No. Moon is Niyora’s AI, built for one job: helping you through a hard moment before your period. It offers other ways to see what happened, a way to calm down, and help deciding what to say, then you’re done. Moon never presents itself as a person. What happens to what I write in Niyora? + Niyora’s entries are encrypted on your phone, and there’s no account. Before your text reaches the AI, names and places are replaced on the phone. The text goes to the AI under enterprise terms that bar using it for training and routine human review. How much does an AI companion cost compared with Niyora? + Replika is free, with paid plans listed on the US App Store from $7.99 a month and $49.99 a year, plus Replika Platinum at $89.99. Niyora is free to start, with Premium at $8.99 a month or $29.99 a year, and a $79.99 lifetime option until 30 November 2026. ## How this page was checked Checked on 13 October 2026. Every Replika fact above comes from these pages, read on that date. We name them here and don’t link to them. - Replika’s App Store listing (US) - Replika’s homepage Spotted something out of date? [neha@niyora.com](mailto:neha@niyora.com?subject=Correction%3A%20Niyora%20vs%20an%20AI%20companion) ## More comparisons - [Niyora vs Flo](https://niyora.com/compare/niyora-vs-flo/) - [Niyora vs Clue](https://niyora.com/compare/niyora-vs-clue/) - [Niyora vs Stardust](https://niyora.com/compare/niyora-vs-stardust/) - [Niyora vs Bearable](https://niyora.com/compare/niyora-vs-bearable/) - [Niyora vs Apple Cycle Tracking](https://niyora.com/compare/niyora-vs-apple-cycle-tracking/) - [Niyora vs Moody Month](https://niyora.com/compare/niyora-vs-moody-month/) - [Niyora vs Cara Care](https://niyora.com/compare/niyora-vs-cara-care/) - [Moon vs other AI](https://niyora.com/compare/moon-ai-vs-other-ai/) - [Alternatives to mood trackers](https://niyora.com/compare/alternatives-to-mood-trackers/) - [What apps do with your data](https://niyora.com/compare/privacy/)