# iFertracker vs kegg

The clearest difference is rating: kegg at 4.0 against iFertracker's 3.1. kegg also leads on review sentiment (75% vs 40%) and update cadence (every 3 weeks vs every 2 months). iFertracker's advantage is monetization model (free vs paid) and iOS requirement (10.0 vs 15.1). On price, ratings volume, ads and in-app purchases there is nothing between them.

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, 4.0 against 3.1. Both are backed by a comparable volume of ratings — 55 and 140 respectively. Written reviews point the same way: 40% of iFertracker's written reviews are positive against 75% of kegg's.

iFertracker ships an update every 2 months, kegg every 3 weeks. Both last shipped on October 23, 2026.

## The numbers

| Metric | iFertracker | kegg |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (55 ratings)](https://appshunter.io/ios/app/ifertracker/id743927901/reviews) | **[4.0 (140 ratings)](https://appshunter.io/ios/app/kegg/id1462248924/reviews)** |
| Number of ratings | 55 | **140** |
| Positive reviews | 40.0% 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 | 47 MB | 52 MB |
| Requires iOS | **10.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Raiing Medical Company](https://appshunter.io/developer/543439703) | [Lady Technologies, Inc.](https://appshunter.io/developer/1462248923) |

## What reviewers say

### iFertracker

[App page](https://appshunter.io/ios/app/ifertracker/id743927901)

This app helps users track their menstrual cycles and identify their fertile window for conception. It uses basal body temperature data to predict ovulation and suggest optimal times for intercourse. Users can visualize their cycle data and share BBT charts for medical consultation.

**Highlights:** Ovulation prediction, Fertile window identification, Menstrual cycle tracking, Basal body temperature charting, Health App integration, Data visualization

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

**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 iFertracker free?

iFertracker 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, iFertracker or kegg?

kegg is rated higher. iFertracker averages 3.1 out of 5 from 55 ratings, while kegg averages 4.0 from 140 ratings.

### Do iFertracker or kegg have ads?

Neither iFertracker nor kegg shows ads.

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

iFertracker ships an update every 2 months, and kegg every 3 weeks. Most recently, iFertracker was updated on October 23, 2026 and kegg on October 23, 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.*