# Killer B+ vs Synergy Fit

The clearest difference is iOS requirement: Killer B+ at 11.0.0 against Synergy Fit's 13.0.0. 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 | Killer B+ | Synergy Fit |
| --- | --- | --- |
| 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 |
| Monetization | Free | — |
| Size | 34 MB | 22 MB |
| Requires iOS | **11.0.0** | 13.0.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KBCS Ocean LLC](https://appshunter.io/developer/1630738183) | [Synergy Massage and Fitness](https://appshunter.io/developer/1499958520) |

## What reviewers say

### 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


### Synergy Fit

[App page](https://appshunter.io/ios/app/synergy-fit/id6766234113)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Killer B+ free?

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

### Is Synergy Fit free?

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

### Do Killer B+ or Synergy Fit have ads?

Neither Killer B+ nor Synergy Fit 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.*