# Kaizer vs Bunker Coaching

The clearest difference is in-app purchases: Bunker Coaching at none against Kaizer's 10. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Kaizer sells 10 in-app purchases, starting at $3.99 per 7 days. Bunker Coaching asks for nothing beyond the download.

Kaizer ships an update weekly, Bunker Coaching every 9 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Kaizer | Bunker Coaching |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (10 ratings)](https://appshunter.io/ios/app/kaizer-your-personal-trainer/id6748926600/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 9 days |
| Monetization | Freemium | — |
| Size | 109 MB | 12 MB |
| Requires iOS | 16.4 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [KAIZER](https://appshunter.io/developer/1828054877) | [Eric Frick](https://appshunter.io/developer/6775842400) |

## What reviewers say

### Kaizer

[App page](https://appshunter.io/ios/app/kaizer-your-personal-trainer/id6748926600)

This app centralizes your fitness journey, connecting you with your trainer or gym. Track workouts, book classes, chat with your coach, and monitor progress, all within a single platform. It also offers AI-generated workout plans for independent users.

**Highlights:** Connect with your trainer or gym, Book classes and reserve spots, Track detailed workout progress, AI-generated personalized workout plans, Exercise illustrations and smart replacements, Direct chat with trainer, Nutrition plan integration

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $3.99 | per 7 days |
| Pro Monthly | $8.99 | per month |
| Trainer Plan — $39.99 | $39.99 | per month |
| Pro Yearly | $39.99 | per year |
| Trainer Plan — $59.99 | $59.99 | per month |
| Trainer Plan — $79.99 | $79.99 | per month |
| Trainer Plan — $99.99 | $99.99 | per month |
| Trainer Plan — $109.99 | $109.99 | per month |
| Trainer Plan — $129.99 | $129.99 | per month |
| Trainer Plan — $159.99 | $159.99 | per month |


### Bunker Coaching

[App page](https://appshunter.io/ios/app/bunker-coaching/id6776331859)

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

**In-app purchases:** none


## Frequently asked questions

### Is Kaizer free?

Kaizer is free to download, with in-app purchases available.

### Is Bunker Coaching free?

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

### Do Kaizer or Bunker Coaching have ads?

Neither Kaizer nor Bunker Coaching shows ads.

### Which is updated more often, Kaizer or Bunker Coaching?

Kaizer ships an update weekly, and Bunker Coaching every 9 days. Most recently, Kaizer was updated on November 5, 2026 and Bunker Coaching 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.*