# kegg vs SmileReaderA Ovulation tracker

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.

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.

## The numbers

| Metric | kegg | SmileReaderA Ovulation tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (145 ratings)](https://appshunter.io/ios/app/kegg/id1462248924/reviews)** | [2.1 (21 ratings)](https://appshunter.io/ios/app/smilereadera-ovulation-tracker/id6450724444/reviews) |
| Number of ratings | **145** | 21 |
| Positive reviews | **75.2% of reviews** | 37.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Paid | **Free** |
| Size | 52 MB | 132 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Lady Technologies, Inc.](https://appshunter.io/developer/1462248923) | [Smilelab Corp.](https://appshunter.io/developer/1051356116) |

## What reviewers say

### 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


### SmileReaderA Ovulation tracker

[App page](https://appshunter.io/ios/app/smilereadera-ovulation-tracker/id6450724444)

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.

**Highlights:** Ovulation test image scanning, Pregnancy test logging, Personalized ovulation calendar, Daily log for BBT, mucus, mood, weight, Information sharing with partner, Fertility window estimation

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is kegg free?

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

### Is SmileReaderA Ovulation tracker free?

SmileReaderA Ovulation tracker is free to download, with no in-app purchases.

### Which has better reviews, kegg or SmileReaderA Ovulation tracker?

kegg is rated higher. kegg averages 3.9 out of 5 from 145 ratings, while SmileReaderA Ovulation tracker averages 2.1 from 21 ratings.

### Do kegg or SmileReaderA Ovulation tracker have ads?

Neither kegg nor SmileReaderA Ovulation tracker shows ads.

### Which is updated more often, kegg or SmileReaderA Ovulation tracker?

kegg ships an update every 3 weeks, and SmileReaderA Ovulation tracker monthly. Most recently, kegg was updated on November 3, 2026 and SmileReaderA Ovulation tracker on November 3, 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.*