# Biorhythms 4U > Personal biorhythm tracking and compatibility analysis with customizable features. (iPhone/iPad app by Jacek Karaskiewicz.) - Source: https://appshunter.io/ios/app/biorhythms-4u/id687130499 (this page in markdown: same URL + `.md`) - Developer: [Jacek Karaskiewicz](https://appshunter.io/developer/687130502) - Category: Lifestyle, Health & Fitness - Price: $0.99 - Rating: 4.70/5 from 241 App Store ratings · 22 written reviews indexed - Age rating: 4+ - Requires: iOS 11.0 · 32 MB - Languages: American English, German (Germany), Polish - Released: 2013-08-23 - Data updated: 2026-06-10 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/biorhythms-4u/id687130499/reviews.md ## What is Biorhythms 4U? New look at biorhythms • All biorhythms for one selected person on one screen in the main app. • Selected biorhythm for all/selected people on one screen. • Portrait or landscape view for your comfortability. • Simple to use (intuitive user interface). • Fully customizable (including the ability to define your own biorhythms). • Support for Apple Watch. • Support for Dark Mode. • Widget "Biorhythm Overall" in the Notifications Center. Check biorhythms for you and your loved ones. Find out, what will look like your relationship with them now and in the near future. Biorhythms gives you: • Opportunity to learn yours and people around you physical and intellectual abilities at any given time. • Additional information about people close to you, you will learn to better understand them. • Determine compatibility between you and well known celebrities. Apple Watch main features: • quick check today's biorhythms for the person selected from the list of favourites • use Force Touch menu for change person • the most important information displayed by means of complications Widget "Biorhythm Overall" in the Notifications Center main features: • quickly check today's overall biorhythm for the same people as in the portrait view of the Biorhythm 4U app, • open the Biorhythm 4U app directly from the Notification Center by tap the selected person App Biorhythm 4U main features: • portrait and landscape view; • two modes biorhythms presentation; • current trends and ratings; • partnership compatibility with trends and ratings; • compatibility list for persons; • simple usage; • info panels describing the basic gestures; • copy information about people (name, surname and date of birth) from the phone's contacts; • synchronization and backup of the persons list through the iCloud; • 3D Touch quick actions for iPhone 6s/6s+ and other supported device; • persons list with peek & pop gesture and preview action menu for iPhone 6s/6s+ and other supported device; • fully customizable (biorhythms, colors, ranges, sorting, filters, etc); • export to iMessage, e-mail, Facebook, Twiter and other. ## Key features - All biorhythms on one screen - Relationship compatibility analysis - Customizable biorhythms and settings - Apple Watch support - Dark Mode and widget support - Intuitive user interface ## Recent user reviews (10 of 22) All indexed reviews: https://appshunter.io/ios/app/biorhythms-4u/id687130499/reviews.md ### 1/5 — Don’t understand the app *2023-01-26, version 2.2.3* No manual, wasted money, it will not measure anything. ### 3/5 — Hand enter every one *2021-05-01, version 2.2.3* This would be a great app if it could look at your contacts and get names and birthdays but no, you’ll need to enter each one. ### 1/5 — Watch sync and Widget don't work *2021-04-24, version 2.2.3* Syncing with Apple Watch v. 7.3.3 and notification doesn't work. There aren't even any notification settings that I could find. App needs to be updated. The main reasons I purchased it for. ### 5/5 — Years ago *2021-04-19, version 2.2.3* I did bio rhythms years ago. Recently I have been discouraged with how tired I have been and it came to my mind about the bio rhythms so ISaid to my daughter let’s check it out she said let’s see if there is an app so here we are I love looking at it and excepting the fact that this is where I’m at don’t be hard on myself just see where I am and deal with it. I need to educate myself more on reading it and investigating the meaning ### 2/5 — Likes to Crash *2020-02-15, version 2.2.3* I just downloaded this app. It only displays one person, though I have 2 people entered in the app. It also likes to crash as I’m navigating through it. Not sure about this one yet. ### 5/5 — A must have app *2020-01-10, version 2.2.3* Of all the biorhythm apps I’ve tried and sifted through, I’ve found this to be the most consistent and laser accurate. Highly recommend ### 5/5 — The Best Biorhythm App! *2019-02-14, version 2.0.3* Jacek is awesome to responding and resolving an issue I was having with the widget. This biorhythm app is my favorite because of the precise details it has to offer. The widget is great as well, which it can show multiple biorhythms for many people. I use it for me and my wife. Keep up the great work! ### 5/5 — The best... *2019-01-21, version 1.8.2* Of all the Apps currently being offered in the App Store, yours is the most complete in features, well thought out, user friendly and useful! Biorthymn App written for and by a user; many thanks! Write on...VFP ### 5/5 — Love to know my cycles *2017-11-18, version 1.8.2* This app gives me my four cycles and can also compare them with my husbands cycles. A very nice compatibility feature. I was hooked on Hi-Biorhythm for years but it is not compatible with the new iOS so off with its head. ### 5/5 — Rebecca *2017-08-27, version 1.7.1* I am really enjoying this app. Easy to use and understand. Wish there was a short aid that explained what it all signifies. Have yet to find a bio-app that does that. ## Frequently asked questions about Biorhythms 4U ### What does the Biorhythms 4U app do? This app provides a new look at biorhythms, displaying all physical, emotional, and intellectual cycles for a selected person on a single screen. It also allows you to check selected biorhythms for multiple people and analyze partnership compatibility. ### What are the key features of Biorhythms 4U? Key features include displaying all biorhythms on one screen, showing selected biorhythms for multiple people, portrait/landscape views, a simple and intuitive interface, full customization options including defining your own biorhythms, and support for Apple Watch and Dark Mode. ### Is Biorhythms 4U free to use? Yes, the application is available for free. There are no mentioned costs or subscription fees associated with its core functionality. ### What devices is Biorhythms 4U compatible with? The app is designed for mobile devices and offers specific features for Apple Watch. It also supports Dark Mode and widgets in the Notifications Center, indicating compatibility with recent iOS versions. ### How can I use Biorhythms 4U to understand relationships? The app allows you to check biorhythms for yourself and loved ones, providing additional information to help you understand them better. It also offers partnership compatibility analysis, including trends and ratings, to explore relationships with others. ## Version history (last 5 releases) ### 2.2.3 — 2020-01-09 * bug fixes ### 2.2.2 — 2019-12-21 * some improvements and bug fix * additional complications for Apple Watch series 4 and 5 ### 2.2.1 — 2019-12-13 * some improvements and bug fix * added complication for Apple Watch ### 2.1.1 — 2019-12-03 * Dark Mode support * improvements for Apple Watch app ### 2.0.3 — 2019-02-14 * fixed the widget loading bug ## Apps similar to Biorhythms 4U | App | Rating | Price | Category | | --- | --- | --- | --- | | [Contur](https://appshunter.io/ios/app/contur/id1571663000) | — | Free | Lifestyle | | [rivm](https://appshunter.io/ios/app/rivm/id1526114358) | — | Free | Lifestyle | | [MyBioCycle](https://appshunter.io/ios/app/mybiocycle/id1551432328) | 4.5 (2) | Free | Lifestyle | | [Biorhythm Pro - measure the rhythm of your life](https://appshunter.io/ios/app/biorhythm-pro-measure-the-rhythm-of-your-life/id478005732) | 4.0 (27) | $1.99 | Lifestyle | | [Biorhythms and Critical Days](https://appshunter.io/ios/app/biorhythms-and-critical-days/id1486142952) | 4.7 (288) | Free | Lifestyle | | [Biorhythm-365](https://appshunter.io/ios/app/biorhythm-365/id570628630) | 4.7 (3,821) | Free | Lifestyle | ## More apps by Jacek Karaskiewicz - [iQ Blocks](https://appshunter.io/ios/app/iq-blocks/id830755372) All apps by Jacek Karaskiewicz: https://appshunter.io/developer/687130502 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*