# NZ Sika vs SolarZero

The clearest difference is update cadence: SolarZero at monthly against NZ Sika's every 2 months. NZ Sika's advantage is iOS requirement (10.0 vs 17.0). 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.

NZ Sika ships an update every 2 months, SolarZero monthly. The most recent releases landed on October 25, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | NZ Sika | SolarZero |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 35.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | — | Free |
| Size | 58 MB | 22 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ben Robertson](https://appshunter.io/developer/1533058785) | [solarZero Limited](https://appshunter.io/developer/1283894275) |

## What reviewers say

### NZ Sika

[App page](https://appshunter.io/ios/app/nz-sika/id1533058783)

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

**In-app purchases:** none


### SolarZero

[App page](https://appshunter.io/ios/app/solarzero/id6504657190)

Monitor and optimize your home's solar energy system with real-time data on energy generation and usage. Track carbon savings, access energy-saving modes, and refer friends to the service.

**Highlights:** Real-time energy generation and usage data, Energy import/export status updates, Carbon savings and footprint tracking, Hot water energy saving mode, Refer-a-Friend program

**In-app purchases:** none


## Frequently asked questions

### Is NZ Sika free?

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

### Is SolarZero free?

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

### Do NZ Sika or SolarZero have ads?

Neither NZ Sika nor SolarZero shows ads.

### Which is updated more often, NZ Sika or SolarZero?

NZ Sika ships an update every 2 months, and SolarZero monthly. Most recently, NZ Sika was updated on October 25, 2026 and SolarZero on October 10, 2026.

---

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