# Workout Builder & Planner vs Kuromaru

The clearest difference is in-app purchases: Workout Builder & Planner at none against Kuromaru's 1. Kuromaru's advantage is update cadence (monthly vs every 6 months) and iOS requirement (11.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Kuromaru sells 1 in-app purchase, starting at $12.99 per month. Workout Builder & Planner asks for nothing beyond the download.

Workout Builder & Planner ships an update every 6 months, Kuromaru monthly. The most recent releases landed on October 24, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Workout Builder & Planner | Kuromaru |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (17 ratings)](https://appshunter.io/ios/app/workout-builder-and-planner/id6449876464/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Monthly** |
| Monetization | Free | — |
| Size | 118 MB | 104 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Muslim Zabirov](https://appshunter.io/developer/1506548437) | [Motion Nexus GmbH](https://appshunter.io/developer/1654323603) |

## What reviewers say

### Workout Builder & Planner

[App page](https://appshunter.io/ios/app/workout-builder-and-planner/id6449876464)

Design custom HIIT, strength, and mobility workouts with over 270 exercises. Track your progress and stay motivated with a built-in timer. Achieve your fitness goals by creating personalized routines for fat burn and strength building.

**Highlights:** Create custom HIIT workouts, Over 270 exercises to choose from, Control exercise duration, rounds, and rests, Built-in timer for workouts, Track workouts and progress, Free to use, no ads or trackers

**In-app purchases:** none


### Kuromaru

[App page](https://appshunter.io/ios/app/kuromaru/id6741827222)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Pro Subscription | $12.99 | per month |


## Frequently asked questions

### Is Workout Builder & Planner free?

Workout Builder & Planner is free to download, with no in-app purchases.

### Is Kuromaru free?

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

### Do Workout Builder & Planner or Kuromaru have ads?

Neither Workout Builder & Planner nor Kuromaru shows ads.

### Which is updated more often, Workout Builder & Planner or Kuromaru?

Workout Builder & Planner ships an update every 6 months, and Kuromaru monthly. Most recently, Workout Builder & Planner was updated on October 24, 2026 and Kuromaru on October 4, 2026.

---

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