# FertilityNow vs kegg

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.

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.

## The numbers

| Metric | FertilityNow | kegg |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (10 ratings)](https://appshunter.io/ios/app/fertilitynow/id1434321403/reviews)** | [3.9 (144 ratings)](https://appshunter.io/ios/app/kegg/id1462248924/reviews) |
| Number of ratings | 10 | **144** |
| Positive reviews | **100.0% of reviews** | 75.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Paid |
| Size | 40 MB | 52 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [ARC Fertility](https://appshunter.io/developer/1418366395) | [Lady Technologies, Inc.](https://appshunter.io/developer/1462248923) |

## What reviewers say

### FertilityNow

[App page](https://appshunter.io/ios/app/fertilitynow/id1434321403)

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.

**Highlights:** Fertility assessment, Personalized resources, Pregnancy chance estimation, Customized articles, Family building tools

**Features:** macOS Compatibility

**In-app purchases:** none


### kegg

[App page](https://appshunter.io/ios/app/kegg/id1462248924)

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.

**Highlights:** Medical-grade fertility tracking, Cervical fluid analysis, Fertile window identification, Ovulation probability insights, Guided kegel exercises, Pelvic floor health optimization

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy to use
- 💡 Provides insights into cycle
- 👍 Helpful community support
- 🚀 Convenient daily tracking
- 🚀 Accurate fertility predictions

**What reviewers complain about**

- 🐛 Buggy app with poor navigation
- 🐛 Inconsistent fertility predictions
- 🐛 Difficult to interpret data
- 🐛 Frequent login issues
- 🐛 Notifications don't always work

**Reported bugs**

- 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**

- 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


## Frequently asked questions

### Is FertilityNow free?

FertilityNow is free to download, with no in-app purchases.

### Is kegg free?

kegg is free to download, with no in-app purchases.

### Which has better reviews, FertilityNow or kegg?

FertilityNow is rated higher. FertilityNow averages 4.6 out of 5 from 10 ratings, while kegg averages 3.9 from 144 ratings.

### Do FertilityNow or kegg have ads?

Neither FertilityNow nor kegg shows ads.

### Which is updated more often, FertilityNow or kegg?

FertilityNow ships an update every 2 months, and kegg every 3 weeks. Most recently, FertilityNow was updated on October 20, 2026 and kegg on October 29, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*