# Zenergy vs Killer B+

The clearest difference is iOS requirement: Zenergy at 9.0.0 against Killer B+'s 11.0.0. 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.

## The numbers

| Metric | Zenergy | Killer B+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/killer-b-plus/id6504875760/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 days | — |
| Monetization | — | Free |
| Size | 50 MB | 34 MB |
| Requires iOS | **9.0.0** | 11.0.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sara Jones](https://appshunter.io/developer/1640092085) | [KBCS Ocean LLC](https://appshunter.io/developer/1630738183) |

## What reviewers say

### Zenergy

[App page](https://appshunter.io/ios/app/zenergy/id1640092083)

**Features:** macOS Compatibility

**In-app purchases:** none


### Killer B+

[App page](https://appshunter.io/ios/app/killer-b-plus/id6504875760)

Access exclusive training videos, register for classes, and manage your account with this comprehensive fitness app. Connect with staff and purchase merchandise all in one place. Ideal for all skill levels, from beginners to professional athletes.

**Highlights:** Class registration, Account management, Staff connection, Merchandise purchase, Exclusive training videos, Yoga and fitness classes

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Zenergy free?

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

### Is Killer B+ free?

Killer B+ is free to download, with no in-app purchases.

### Do Zenergy or Killer B+ have ads?

Neither Zenergy nor Killer B+ shows ads.

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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.*