# NBS by BSSF vs GolfOS

The clearest difference is device support: NBS by BSSF at 4 against GolfOS's 1. NBS by BSSF also leads on iOS requirement (15.5 vs 17.0). 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.

NBS by BSSF ships an update every 2 months, GolfOS monthly. The most recent releases landed on October 4, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | NBS by BSSF | GolfOS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (37 ratings)](https://appshunter.io/ios/app/nbs-by-bssf/id1584216808/reviews)** | — |
| Number of ratings | **37** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | — |
| Size | 159 MB | 17 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Be Strong Stay Fit Inc.](https://appshunter.io/developer/1584216810) | [Health Club Systems Corp](https://appshunter.io/developer/579731251) |

## What reviewers say

### NBS by BSSF

[App page](https://appshunter.io/ios/app/nbs-by-bssf/id1584216808)

Track your workouts, meals, and progress towards fitness goals with personalized guidance from a registered dietitian. Schedule activities, monitor body measurements, and receive reminders to stay on track. Connect with your dietitian in real-time and sync with your Apple Watch.

**Highlights:** Workout and meal tracking, Progress monitoring, Nutrition management, Goal setting, Real-time dietitian messaging, Body measurement tracking, Push notification reminders

**Features:** Apple Wallet, Apple Watch app, Vision Pro support

**In-app purchases:** none


### GolfOS

[App page](https://appshunter.io/ios/app/golfos/id6759405403)

**In-app purchases:** none


## Frequently asked questions

### Is NBS by BSSF free?

NBS by BSSF is free to download, with no in-app purchases.

### Is GolfOS free?

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

### Do NBS by BSSF or GolfOS have ads?

Neither NBS by BSSF nor GolfOS shows ads.

### Which is updated more often, NBS by BSSF or GolfOS?

NBS by BSSF ships an update every 2 months, and GolfOS monthly. Most recently, NBS by BSSF was updated on October 4, 2026 and GolfOS on October 14, 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.*