# Babyndex Saliva Ovulation Test — Fertility window from crystals > Saliva crystal analysis for natural ovulation and fertility tracking. (iPhone/iPad app by Sinfonic Innovation Management Beteti Tarsasag.) - Source: https://appshunter.io/ios/app/babyndex-saliva-ovulation-test/id1494905199 (this page in markdown: same URL + `.md`) - Developer: [Sinfonic Innovation Management Beteti Tarsasag](https://appshunter.io/developer/1532849308) - Category: Health & Fitness - Price: Free - Rating: 1.00/5 from 1 App Store ratings · 1 written reviews indexed - Age rating: 12+ - Requires: iOS 13.0 · 25 MB - Languages: Czech, English, German, Hungarian, Italian, Polish, Romanian, Serbian, Spanish - Released: 2020-04-09 - Data updated: 2026-06-10 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/babyndex-saliva-ovulation-test/id1494905199/reviews.md ## What is Babyndex Saliva Ovulation Test? Know your fertile days from saliva crystals! Babyndex is an app with a mini microscope that can detect your fertile window. How does it work? 1) We supply a microscope Apply a very little saliva to the lens of the microscope that and wait for it to dry. Saliva starts to crystalize when you hit your fertile window. 2) Download the application Hold the microscope against the camera and take a picture of the saliva sample. The app recognizes the saliva crystals. 3) Know your fertile days Find out when there is a high chance of getting pregnant. Our algorithm analyzes the saliva patterns and determines the probability of crystals. Is Babyndex right for you? Only use Babyndex if you are not using hormonal contraception. In this case, your own hormones regulate your ovulation cycle. Naturally, the salinity of your saliva is high on your most fertile days. Babyndex is able to recognize saliva crystal patterns formed by your salts. Use Babyndex if you don’t want to spend a lot on urine test strips. Our ovulation microscope is reusable and our application is free! And use Babyndex if you want to track your actual fertile days in a natural way. Babyndex is the first app capable of recognizing the natural saliva crystals with modern image analysis. What is the saliva fern test? Your saliva crystalizes during your fertile days. Your body goes through different stages of your ovulation cycle. First the estrogen hormone levels increase and cause that saliva starts to crystalize. These saliva crystals resemble the shape of fern leaves and the whole procedure is called saliva fern test.Using our high-quality microscope and app, you can detect these crystals in your dried saliva samples. Just try it! How reliable is the saliva test? Harvard Medical School studied the effectiveness of the saliva ovulation test combined with automated crystal detection in 2018. The Harvard researchers have concluded that the accuracy of the same solution as Babyndex is higher than 99 %. Using this method, we detect estrogen hormone increases in a less intrusive and more affordable way than comparable urine or electrolyte tests. What is more, FDA has already approved saliva test for ovulation prediction, which is what Babyndex is also based upon. How to detect the fertile days? Urine LH test predicts ovulation ~ 1 day ahead but it is non-reusable and expensive. BBT Body temperature test is reusable but it detects ovulation ~ 1 day after. Saliva fern test predicts ovulation ~ 3 day ahead and it is reusable. Babyndex combines this non-invasive method with modern technology and makes it easy to interpret. Just try it! The 5 days before ovulation are the fertile days. The saliva fern test can predict ovulation about 3 days ahead and with Babyndex you can make an even better prediction. The microscope is reusable and affordable. The test is non-invasive and the results show the actual fertile window with an extremely high accuracy of >99 %. Take the test every day for a full cycle! Babyndex is easy to use. Make testing your morning routine. Remember to take the test every day for full cycle! Then you can take it regularly during the expected fertile phase. This is how you can get the best results for detecting your fertile days and for getting pregnant. CE Certification: Maybe Baby is a Mini Microscope for Ovulation Cycle Observation and bears the CE marking that indicates conformity with health, safety, and environmental protection standards for products sold within the European Economic Area. Notified Body 0483 granted the EC Design Examination Certificate as the examination of the design of the product has proven that the design meets the requirements according to Annex III, Section 6 of the Directive 98/79/EC on in-vitro diagnostic medical devices. ## Key features - Saliva crystal detection - Fertile window identification - Mini microscope integration - Image analysis algorithm - Natural ovulation tracking - Affordable alternative to test strips ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/babyndex-saliva-ovulation-test/id1494905199/reviews.md ### 1/5 — Don’t get *2022-07-15* It won’t allow you to log in so it is useless, can only tell you first day of last period which you tell it to start with ## Frequently asked questions about Babyndex Saliva Ovulation Test ### How does Babyndex detect fertile days? Babyndex uses a mini microscope to capture images of dried saliva samples. The app's algorithm analyzes the saliva crystals, which form when estrogen levels rise, to determine your fertile window. ### How accurate is the Babyndex saliva test? According to a Harvard Medical School study on similar solutions, the accuracy of automated crystal detection in saliva ovulation tests is higher than 99%. The FDA has also approved saliva tests for ovulation prediction. ### Is Babyndex suitable for everyone? Babyndex should only be used if you are not using hormonal contraception, as your natural hormones regulate your ovulation cycle. It is designed for individuals seeking a natural way to track fertility. ### How does Babyndex compare to urine ovulation tests? Urine LH tests predict ovulation about one day ahead and are non-reusable and expensive. Babyndex, using the saliva fern test, can predict ovulation about three days ahead and is reusable and more affordable. ### What is the cost of Babyndex? The Babyndex application is free to download and use. The primary cost is for the reusable mini microscope, making it an affordable alternative to disposable test strips. ### On which devices can I use Babyndex? Babyndex is available for iPhone, iPad, and iPod devices, indicating compatibility with Apple's iOS ecosystem. ### How often should I use Babyndex? To effectively detect your fertile days, it is recommended to take the test every day during your cycle. This allows for consistent tracking and better prediction of your fertile window. ### What is the age rating for Babyndex? Babyndex has an age rating of 12+, suggesting it is suitable for users aged 12 and above. ## Version history (last 5 releases) ### 1.2.1 — 2022-10-21 Added a delete account button in which you send an email to support with the request to delete your data ### 1.2.0 — 2022-02-24 - Improved algorithm for fertile saliva crystal pattern analysis - Added translation for international languages (Czech, German, Hungarian, Italian, Polish, Romanian, Serbian, Spanish) ### 1.1.1 — 2021-05-05 Reworked calendar UI. Now, for each day you take a photo, you’ll see the day’s card color change based on the highest percent of crystals detected. The darker the card, the higher the percentage. ### 1.1 — 2021-01-15 * Improved OnBoarding experience * Added DayOfBirth field in registration form ### 1.0 — 2020-04-09 No release notes. ## Apps similar to Babyndex Saliva Ovulation Test | App | Rating | Price | Category | | --- | --- | --- | --- | | [Buoyant: Boost Your Mindset](https://appshunter.io/ios/app/buoyant-boost-your-mindset/id6443476174) | 5.0 (4) | Free | Health & Fitness | | [FocusCalm - Brain Training](https://appshunter.io/ios/app/focuscalm-brain-training/id1512564491) | 4.0 (52) | Free | Health & Fitness | | [Shecare - Ovulation Tracker](https://appshunter.io/ios/app/shecare-ovulation-tracker/id1522500467) | 1.0 (1) | Free | Health & Fitness | | [Lin's Rx](https://appshunter.io/ios/app/lins-rx/id1596052494) | — | Free | Health & Fitness | | [Dcare Ring](https://appshunter.io/ios/app/dcare-ring/id6449352023) | 1.0 (1) | Free | Health & Fitness | | [Period & Cycles Tracker](https://appshunter.io/ios/app/period-and-cycles-tracker/id6459879104) | 4.3 (6) | Free | Health & Fitness | --- *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.*