# kegg vs Fit Flex Pass

The clearest difference is rating: Fit Flex Pass at 5.0 against kegg's 3.9. Fit Flex Pass also leads on monetization model (free vs paid). kegg's advantage is ratings volume (143 vs 2). 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.

Fit Flex Pass holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: kegg has 143 ratings behind it against 2, so its average is the more settled of the two.

kegg ships an update every 3 weeks, Fit Flex Pass every 2 weeks. The most recent releases landed on October 26, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | kegg | Fit Flex Pass |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (143 ratings)](https://appshunter.io/ios/app/kegg/id1462248924/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/fit-flex-pass/id6795287949/reviews)** |
| Number of ratings | **143** | 2 |
| Positive reviews | 75.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Paid | **Free** |
| Size | 52 MB | 46 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Lady Technologies, Inc.](https://appshunter.io/developer/1462248923) | [Anthony Idi](https://appshunter.io/developer/6788379226) |

## 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


### Fit Flex Pass

[App page](https://appshunter.io/ios/app/fit-flex-pass/id6795287949)

Access independent gyms and book personal trainers without long-term commitments. Purchase one-time passes for day, week, or month access, or book single or pack sessions with trainers. Your account works nationwide, offering flexibility for travel.

**Highlights:** Buy gym day, week, or month passes, Book sessions with personal trainers, One-time purchases, no renewals, Nationwide account access for travel, QR code for gym check-in, Discounted trainer session packs

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

**In-app purchases:** none


## Frequently asked questions

### Is kegg free?

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

### Is Fit Flex Pass free?

Fit Flex Pass is free to download, with no in-app purchases.

### Which has better reviews, kegg or Fit Flex Pass?

Fit Flex Pass is rated higher. kegg averages 3.9 out of 5 from 143 ratings, while Fit Flex Pass averages 5.0 from 2 ratings.

### Do kegg or Fit Flex Pass have ads?

Neither kegg nor Fit Flex Pass shows ads.

### Which is updated more often, kegg or Fit Flex Pass?

kegg ships an update every 3 weeks, and Fit Flex Pass every 2 weeks. Most recently, kegg was updated on October 26, 2026 and Fit Flex Pass on October 16, 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.*