# GYMTRO vs NCF Boulder

The clearest difference is update cadence: NCF Boulder at every 3 weeks against GYMTRO's every 10 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

GYMTRO ships an update every 10 months, NCF Boulder every 3 weeks. The most recent releases landed on October 9, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | GYMTRO | NCF Boulder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ncf-boulder/id6758929623/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 67 MB | 57 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ashbourne](https://appshunter.io/developer/1130933933) | [TeamUp Sports](https://appshunter.io/developer/1449504626) |

## What reviewers say

### GYMTRO

[App page](https://appshunter.io/ios/app/gymtro/id6742102504)

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

**In-app purchases:** none


### NCF Boulder

[App page](https://appshunter.io/ios/app/ncf-boulder/id6758929623)

This app helps you manage your health and fitness journey by allowing you to book classes, contact staff, and stay updated on club news. It integrates with Apple Health to track your progress and import data from wearable devices.

**Highlights:** Book classes online, Contact club staff, View club news and offers, Apple Health integration, Track steps, distance, and calories, Import data from wearables

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GYMTRO free?

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

### Is NCF Boulder free?

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

### Do GYMTRO or NCF Boulder have ads?

Neither GYMTRO nor NCF Boulder shows ads.

### Which is updated more often, GYMTRO or NCF Boulder?

GYMTRO ships an update every 10 months, and NCF Boulder every 3 weeks. Most recently, GYMTRO was updated on October 9, 2026 and NCF Boulder on October 21, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*