# 3B Method vs ReactivFit

The clearest difference is update cadence: 3B Method at every 3 weeks against ReactivFit's every 2 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.

3B Method ships an update every 3 weeks, ReactivFit every 2 months. The most recent releases landed on October 30, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | 3B Method | ReactivFit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5 ratings)](https://appshunter.io/ios/app/3b-method/id6752503060/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 166 MB | 192 MB |
| Requires iOS | **15.1** | 15.5 |
| Devices | iPhone, iPad, iPod, Apple Watch | iPhone, iPad, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [UPTOWN ATHLETICS, LLC](https://appshunter.io/developer/1839504614) | [TRADEMARK ELECTRICAL SERVICES (NSW) PTY LTD](https://appshunter.io/developer/1862818021) |

## What reviewers say

### 3B Method

[App page](https://appshunter.io/ios/app/3b-method/id6752503060)

This fitness and nutrition app provides members with personalized training programs, custom nutrition tracking, and direct access to their trainer for support and accountability. It simplifies progress tracking for body composition and workout logs, integrating both remote and in-person training.

**Highlights:** Personalized training programs, Custom nutrition tracking, Trainer support and accountability, Remote and in-person integration, Progress tracking, Body composition logging

**Features:** Apple Wallet

**In-app purchases:** none


### ReactivFit

[App page](https://appshunter.io/ios/app/reactivfit/id6756788819)

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is 3B Method free?

3B Method is free to download, with no in-app purchases.

### Is ReactivFit free?

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

### Do 3B Method or ReactivFit have ads?

Neither 3B Method nor ReactivFit shows ads.

### Which is updated more often, 3B Method or ReactivFit?

3B Method ships an update every 3 weeks, and ReactivFit every 2 months. Most recently, 3B Method was updated on October 30, 2026 and ReactivFit on November 13, 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.*