kegg vs SmileReaderA Ovulation tracker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
kegg
This medical-grade device offers accurate fertility tracking by analyzing cervical fluid in just two minutes daily. It helps identify fertile windows for conception and provides insights into ovulation, while also offering guided pelvic floor exercises for health and recovery.
- Medical-grade fertility tracking
- Cervical fluid analysis
- Fertile window identification
- Ovulation probability insights
- Guided kegel exercises
- Pelvic floor health optimization
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Meet kegg® - a medical-grade fertility tracking device that gives you accurate and personalized fertility tracking through cervical fluid in just 2 minutes a day. Clinically validated fertility monitor Constructed of medical-grade silicone, kegg uses advanced sensing technology to detect the dynamic shifts in your fertility. Track Your Key Fertility Metric Maximize your chances of pregnancy by accurately detecting fertile versus non fertile cervical mucus so you can time your efforts with precision. Daily Fertility Insights Your Fertility and Cervical Mucus Score helps you identify your most fertile days, while the ovulation probability helps you see when ovulation may occur. Guided Kegel Exercises Optimize your pelvic floor health for labor and postpartum recovery using kegg’s kegel routines. CONNECT WITH KEGG: + Web:http://www.kegg.tech/ + Facebook: @kegg.tech + Instagram: @kegg_tech + Private community: https://www.facebook.com/groups/keggcommunity/ GET HELP: If you have any questions about the kegg device or the kegg app, read our FAQ at https://kegg.tech/faq or message us at www.kegg.tech/support
SmileReaderA Ovulation tracker
This app helps users track ovulation and menstrual cycles to increase the chances of conception. It allows for image scanning of ovulation tests, logging of daily metrics like temperature and mood, and sharing information with a partner. The goal is to personalize family planning and identify peak fertility windows.
- Ovulation test image scanning
- Pregnancy test logging
- Personalized ovulation calendar
- Daily log for BBT, mucus, mood, weight
- Information sharing with partner
- Fertility window estimation
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SmileReader: Personalize your Family Planning We helps you get pregnant faster. The app helps you map everything out so you know when you have your best chances of conceiving. **App Features - Ovulation Tests: When you take pictures of our ovulation tests, you get to track the results directly inside this app. Map out your cycles and know exactly when you are ready to conceive. - Pregnancy Tests: We also provide pregnancy tests as well, which can be logged inside this app. - Ovulation Calendar: Track your personal period calendar so you know when you are at peak ovulation for the best chances of a pregnancy. - Image Scanning: Quickly scan the results of your SmileReader tests with the app. We then use technology to configure them into your own cycle. - Daily Log: You can also use the app to log in basal body temperature, changes in your cervical mucus, and even your mood and weight to increase the accuracy of prediction. - Information Sharing: Share information, dates, and ovulation info with your partner so they can be in-the-know as well. **How to Use 1. Enter your latest menstrual cycle. 2. Find out your estimated fertility window and the expected date of your next period. ** To detect more accurate fertile days, 1. Start ovulation testing on the date the app suggests. 2. Get reminders from the app to test on time. 3. Take a picture of a test strip, after dipping it in urine. 4. Keep testing until you identify your most fertile days. 5. Record signals of ovulation, moods and body temperature. 6. Monitor your pattern of period and ovulation. 7. Share your information with your partner. **Disclaimer The SmileReader app only works with test strips of PREGABLE. This app is merely designed to help you track your ovulation cycle for your best chances at pregnancy. The app is not a medical device and does not provide medical diagnosis. The index on the app is intended solely for tracking trends, not for providing specific clinical mIU/mL measurements. Please use this data for reference purposes only, and always consult a professional doctor for any medical decisions or health concerns.
Screenshots
Verdict
The clearest difference is rating: kegg at 3.9 against SmileReaderA Ovulation tracker's 2.1. kegg also leads on review sentiment (75% vs 38%) and ratings volume (145 vs 21). SmileReaderA Ovulation tracker's advantage is monetization model (free vs paid). On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
kegg holds the better App Store score, 3.9 against 2.1. That said, the two scores are not equally well evidenced: kegg has 145 ratings behind it against 21, so its average is the more settled of the two. Written reviews point the same way: 75% of kegg's written reviews are positive against 38% of SmileReaderA Ovulation tracker's.
kegg ships an update every 3 weeks, SmileReaderA Ovulation tracker monthly. Both last shipped on November 3, 2026.
| Parameter | kegg | SmileReaderA Ovulation tracker |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (145 ratings) — better | 2.1 (21 ratings) |
| Positive reviews | 75.2% of reviews — better | 37.5% of reviews |
| Number of ratings | 145 — better | 21 |
| Update frequency | Every 3 weeks — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 52 MB | 132 MB |
| Age rating | 12+ | 12+ |
| Developer | Lady Technologies, Inc. | Smilelab Corp. |
Customer experience
kegg
SmileReaderA Ovulation tracker
Bugs and requests
kegg
Reported bugs
4 issues- App freezes and crashes frequently
- Syncing issues between device and app
- Fertility predictions do not align with other methods
- Constant logout prompts disrupt user experience
Requested features
4 requests- Add ability to track period and symptoms
- Improve app design and user experience
- Provide more detailed data analysis and insights
- Integrate with other fertility tracking apps
SmileReaderA Ovulation tracker
Not enough reviews yet to summarise bugs or requests.
In-app purchases
kegg
No in-app purchases
SmileReaderA Ovulation tracker
No in-app purchases
Questions
Is kegg free?
Is SmileReaderA Ovulation tracker free?
Which has better reviews, kegg or SmileReaderA Ovulation tracker?
Do kegg or SmileReaderA Ovulation tracker have ads?
Which is updated more often, kegg or SmileReaderA Ovulation tracker?
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