FertilityNow vs kegg
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FertilityNow
This tool, created by medical experts, helps users assess their fertility and provides resources for family building. It offers personalized insights based on survey responses, estimating pregnancy chances with and without treatment.
- Fertility assessment
- Personalized resources
- Pregnancy chance estimation
- Customized articles
- Family building tools
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FertilityNow was developed by medical experts to help you assess your fertility and give you the resources you need to build your family. Complete the surveys to estimate your chances for pregnancy with and without fertility treatment. Receive customized articles based on your responses.
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
Screenshots
Verdict
The clearest difference is rating: FertilityNow at 4.6 against kegg's 3.9. FertilityNow also leads on monetization model (free vs paid) and review sentiment (100% vs 75%). kegg's advantage is update cadence (every 3 weeks vs every 2 months) and ratings volume (144 vs 10). On price, ads, in-app purchases and device support 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.
FertilityNow holds the better App Store score, 4.6 against 3.9. That said, the two scores are not equally well evidenced: kegg has 144 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 100% of FertilityNow's written reviews are positive against 75% of kegg's.
FertilityNow ships an update every 2 months, kegg every 3 weeks. The most recent releases landed on October 20, 2026 and October 29, 2026 respectively.
| Parameter | FertilityNow | kegg |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (10 ratings) — better | 3.9 (144 ratings) |
| Positive reviews | 100.0% of reviews — better | 75.2% of reviews |
| Number of ratings | 10 | 144 — better |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 40 MB | 52 MB |
| Age rating | 17+ | 12+ |
| Developer | ARC Fertility | Lady Technologies, Inc. |
Customer experience
FertilityNow
kegg
Bugs and requests
FertilityNow
Not enough reviews yet to summarise bugs or 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
In-app purchases
FertilityNow
No in-app purchases
kegg
No in-app purchases
Questions
Is FertilityNow free?
Is kegg free?
Which has better reviews, FertilityNow or kegg?
Do FertilityNow or kegg have ads?
Which is updated more often, FertilityNow or kegg?
Other comparisons
