# Zehus App vs KBuddy 9

The clearest difference is review sentiment: KBuddy 9 at 92% against Zehus App's 33%. KBuddy 9 also leads on update cadence (every 3 weeks vs every 2 months). Zehus App's advantage is in-app purchases (none vs 12) and iOS requirement (15.6 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. KBuddy 9 sells 12 in-app purchases, starting at $0.99 per 7 days. Zehus App asks for nothing beyond the download.

Zehus App ships an update every 2 months, KBuddy 9 every 3 weeks. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Zehus App | KBuddy 9 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (2 ratings)](https://appshunter.io/ios/app/kbuddy-9/id1630537751/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 33.3% of reviews | **92.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 61 MB | 73 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | iPhone, iPad, iPod, Apple Watch | iPhone, iPad, Apple Watch, Vision Pro |
| Age rating | 4+ | 4+ |
| Developer | [ZEHUS Spa](https://appshunter.io/developer/899571821) | [Oleg Mueller](https://appshunter.io/developer/367875607) |

## What reviewers say

### Zehus App

[App page](https://appshunter.io/ios/app/zehus-app/id1500759091)

Manage your e-bike's motor, customize power modes, and secure it when parked. Analyze ride statistics and view heart rate data from your Apple Watch. Your health profile data is not stored.

**Highlights:** Motor control and management, Power mode customization, Electric motor lock for security, Ride statistics analysis, Apple HealthKit integration for heart rate, View riding data on Apple Watch

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


### KBuddy 9

[App page](https://appshunter.io/ios/app/kbuddy-9/id1630537751)

This digital workout companion helps manage and execute personalized training plans. It offers precise timers, automatic weight adjustments, and progress tracking. Seamlessly syncs across Apple devices and integrates with Apple Health.

**Highlights:** Unlimited training plan creation, Precise workout timer, Automatic weight adjustments, Apple Watch integration, Detailed statistics and muscle overviews, PDF export of progress, Apple Health integration

**Features:** macOS Compatibility, Family Sharing, Apple Watch app

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Pro - Weekly | $0.99 | per 7 days |
| Unlock Pro - Weekly - Family | $1.99 | per 7 days |
| Unlock Pro - Monthly | $1.99 | per month |
| Unlock Pro - Monthly - Family | $2.99 | per month |
| Unlock Pro - Yearly | $17.99 | per year |
| Unlock Pro - Yearly - Family | $24.99 | per year |
| Small Tip | $1.99 | one-time |
| Medium Tip | $3.99 | one-time |
| Big Tip | $9.99 | one-time |
| Very Big Tip | $24.99 | one-time |
| Unlock Pro | $49.99 | one-time |
| Unlock Pro - Family | $89.99 | one-time |


## Frequently asked questions

### Is Zehus App free?

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

### Is KBuddy 9 free?

KBuddy 9 is free to download, with in-app purchases available.

### Do Zehus App or KBuddy 9 have ads?

Neither Zehus App nor KBuddy 9 shows ads.

### Which is updated more often, Zehus App or KBuddy 9?

Zehus App ships an update every 2 months, and KBuddy 9 every 3 weeks. Most recently, Zehus App was updated on October 20, 2026 and KBuddy 9 on October 24, 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.*