# Built By Barb vs Kaizen Athletic Performance

The clearest difference is ratings volume: Built By Barb at 6 against Kaizen Athletic Performance's 2. On price, rating, update cadence and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Built By Barb against 5.0 for Kaizen Athletic Performance. Both are backed by a comparable volume of ratings — 6 and 2 respectively.

Built By Barb ships an update every 4 days, Kaizen Athletic Performance every 5 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Built By Barb | Kaizen Athletic Performance |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (6 ratings)](https://appshunter.io/ios/app/built-by-barb/id6800741536/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/kaizen-athletic-performance/id6815834467/reviews) |
| Number of ratings | **6** | 2 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 5 days |
| Monetization | Free | Free |
| Size | 5 MB | 5 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Built By Barb, LLC](https://appshunter.io/developer/6800741538) | [Kameron McVIttie](https://appshunter.io/developer/6815834469) |

## What reviewers say

### Built By Barb

[App page](https://appshunter.io/ios/app/built-by-barb/id6800741536)

This app provides personalized strength and conditioning programs for clients of a specific coach. It allows users to log workouts, receive form feedback via video analysis, track nutrition, and communicate directly with their coach. Programs are dynamically updated based on user progress.

**Highlights:** Personalized training programs, Session logging with progress tracking, Video form checks and feedback, Direct messaging with coach, Macro targets and food logging, Structured check-ins and progress monitoring

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

**In-app purchases:** none


### Kaizen Athletic Performance

[App page](https://appshunter.io/ios/app/kaizen-athletic-performance/id6815834467)

This private training app is for clients of a strength & conditioning coach. It provides personalized workout programs, session logging with automatic PR updates, and video form checks. Clients can also track nutrition, habits, and communicate directly with their coach.

**Highlights:** Personalized training programs, Gym-friendly session logging, Automatic PR and trend tracking, Video form checks and feedback, Direct coach messaging, Macro targets and food logging, Habit and progress tracking

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

**In-app purchases:** none


## Frequently asked questions

### Is Built By Barb free?

Built By Barb is free to download, with no in-app purchases.

### Is Kaizen Athletic Performance free?

Kaizen Athletic Performance is free to download, with no in-app purchases.

### Which has better reviews, Built By Barb or Kaizen Athletic Performance?

Built By Barb and Kaizen Athletic Performance are both rated 5.0 out of 5 on the App Store, from 6 and 2 ratings respectively.

### Do Built By Barb or Kaizen Athletic Performance have ads?

Neither Built By Barb nor Kaizen Athletic Performance shows ads.

### Which is updated more often, Built By Barb or Kaizen Athletic Performance?

Built By Barb ships an update every 4 days, and Kaizen Athletic Performance every 5 days. Most recently, Built By Barb was updated on October 31, 2026 and Kaizen Athletic Performance on October 31, 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.*