# KiwihCharge vs Defender System Z

The clearest difference is update cadence: Defender System Z at every 3 weeks against KiwihCharge's every 8 months. Defender System Z also leads on iOS requirement (14.0.0 vs 16.1). 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.

KiwihCharge ships an update every 8 months, Defender System Z every 3 weeks. The most recent releases landed on October 30, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | KiwihCharge | Defender System Z |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 weeks** |
| Size | 93 MB | 55 MB |
| Requires iOS | 16.1 | **14.0.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [KIWIH srl](https://appshunter.io/developer/1657456633) | [Techloop Developer](https://appshunter.io/developer/1807048134) |

## What reviewers say

### KiwihCharge

[App page](https://appshunter.io/ios/app/kiwihcharge/id6444867127)

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

**In-app purchases:** none


### Defender System Z

[App page](https://appshunter.io/ios/app/defender-system-z-control/id6744317231)

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

**In-app purchases:** none


## Frequently asked questions

### Is KiwihCharge free?

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

### Is Defender System Z free?

Defender System Z is free to download, with no in-app purchases.

### Do KiwihCharge or Defender System Z have ads?

Neither KiwihCharge nor Defender System Z shows ads.

### Which is updated more often, KiwihCharge or Defender System Z?

KiwihCharge ships an update every 8 months, and Defender System Z every 3 weeks. Most recently, KiwihCharge was updated on October 30, 2026 and Defender System Z on October 2, 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.*