# B vs Momentum Training

The clearest difference is update cadence: B at every 2 months against Momentum Training's every 9 months. Momentum Training's advantage is iOS requirement (14.0 vs 16.4). On price 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.

B ships an update every 2 months, Momentum Training every 9 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | B | Momentum Training |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | **Every 2 months** | Every 9 months |
| Monetization | — | Free |
| Size | 68 MB | 55 MB |
| Requires iOS | 16.4 | **14.0** |
| Devices | **iPhone** | — |
| Age rating | 4+ | 4+ |
| Developer | [Gym Flow Limited](https://appshunter.io/developer/1631161014) | [TeamUp Sports](https://appshunter.io/developer/1449504626) |

## What reviewers say

### B

[App page](https://appshunter.io/ios/app/b-mvmt/id6462688646)

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

**In-app purchases:** none


### Momentum Training

[App page](https://appshunter.io/ios/app/momentum-training/id6477562687)

This app supports your health and fitness goals by allowing you to book classes, create custom workouts, and track your progress. It also offers fitness challenges, a recipe library, and direct communication with club staff and members.

**Highlights:** Book classes online, Create custom exercise programs, Track workout progress, Monitor body measurements, Participate in fitness challenges, Access recipe library, Integrates with Apple HealthKit

**In-app purchases:** none


## Frequently asked questions

### Is B free?

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

### Is Momentum Training free?

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

### Which is updated more often, B or Momentum Training?

B ships an update every 2 months, and Momentum Training every 9 months. Most recently, B was updated on November 3, 2026 and Momentum Training on November 4, 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.*