# Core Master vs ZenWorkout

The clearest difference is in-app purchases: Core Master at none against ZenWorkout's 1. Core Master also leads on ads (none vs shown). ZenWorkout's advantage is update cadence (daily vs every 7 months) and iOS requirement (13.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. ZenWorkout sells 1 in-app purchase, starting at $0.99 per month. Core Master asks for nothing beyond the download.

Core Master ships an update every 7 months, ZenWorkout daily. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Core Master | ZenWorkout |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Daily** |
| Monetization | — | Free with in-app purchases |
| Size | 15 MB | 30 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Body Engineering BSSS Ltd](https://appshunter.io/developer/1530296428) | [Greg Gage](https://appshunter.io/developer/1841050301) |

## What reviewers say

### Core Master

[App page](https://appshunter.io/ios/app/core-master/id1530296426)

**Features:** macOS Compatibility

**In-app purchases:** none


### ZenWorkout

[App page](https://appshunter.io/ios/app/zenworkout/id6752798806)

Design custom HIIT and interval workouts with flexible timers, repeating groups, and untimed steps. Share your plans, sync across devices, and control your training with voice commands. Enjoy seamless audio playback over your music.

**Highlights:** Customizable workout design, Repeating exercise groups, Untimed workout steps, Workout sharing via links, Cloud sync across devices, Voice command control, Text-to-speech announcements

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ZenWorkout Premium | $0.99 | per month |


## Frequently asked questions

### Is Core Master free?

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

### Is ZenWorkout free?

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

### Do Core Master or ZenWorkout have ads?

ZenWorkout shows ads; Core Master does not.

### Which is updated more often, Core Master or ZenWorkout?

Core Master ships an update every 7 months, and ZenWorkout daily. Most recently, Core Master was updated on November 3, 2026 and ZenWorkout on November 5, 2026.

---

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