# NetGym App vs B3

The clearest difference is rating: B3 at 5.0 against NetGym App's 4.2. B3 also leads on iOS requirement (13.0 vs 15.1). NetGym App's advantage is monetization model (free vs free with in-app purchases) and update cadence (every 8 days vs monthly). 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.

B3 holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 6 and 5 respectively.

NetGym App ships an update every 8 days, B3 monthly. The most recent releases landed on October 15, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | NetGym App | B3 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (6 ratings)](https://appshunter.io/ios/app/netgym-app/id1001008465/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/b3-bodies-by-bombshell/id6757632713/reviews)** |
| Number of ratings | **6** | 5 |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 days** | Monthly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 62 MB | 419 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NetGym Corp.](https://appshunter.io/developer/1001008464) | [Bombshell Fitness](https://appshunter.io/developer/1738345176) |

## What reviewers say

### NetGym App

[App page](https://appshunter.io/ios/app/netgym-app/id1001008465)

This app simplifies scheduling and communication for fitness professionals. It helps instructors manage class substitutions and allows managers to streamline staff collaboration and gain insights into team communication.

**Highlights:** Streamline sub request process, Foster internal community, Improve member experience, Reduce time managing sub communication, Visibility into sub communication, Easily send and receive substitution requests, Automated sub reminders

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

**In-app purchases:** none


### B3

[App page](https://appshunter.io/ios/app/b3-bodies-by-bombshell/id6757632713)

This app offers personalized coaching for body, habits, and lifestyle transformations. Connect with certified coaches for tailored training, nutrition, and progress tracking to build strength and confidence.

**Highlights:** Customized coaching experience, Personalized training and nutrition, Progress tracking, Habit and lifestyle guidance, Direct coach communication, Health app integration

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

**In-app purchases:** none


## Frequently asked questions

### Is NetGym App free?

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

### Is B3 free?

B3 is free to download, with no in-app purchases.

### Which has better reviews, NetGym App or B3?

B3 is rated higher. NetGym App averages 4.2 out of 5 from 6 ratings, while B3 averages 5.0 from 5 ratings.

### Do NetGym App or B3 have ads?

Neither NetGym App nor B3 shows ads.

### Which is updated more often, NetGym App or B3?

NetGym App ships an update every 8 days, and B3 monthly. Most recently, NetGym App was updated on October 15, 2026 and B3 on October 6, 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.*