# Handzin vs Blaze Solar

The clearest difference is ads: Handzin at none against Blaze Solar's shown. Handzin also leads on iOS requirement (11 vs 15.6). Blaze Solar's advantage is update cadence (monthly vs every 9 months). On price, 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.

Handzin ships an update every 9 months, Blaze Solar monthly. The most recent releases landed on October 27, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Handzin | Blaze Solar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/blaze-solar/id6476022542/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Monthly** |
| Monetization | — | Ad-supported |
| Size | 58 MB | 27 MB |
| Requires iOS | **11** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Good Dog Design Pty Ltd](https://appshunter.io/developer/311552111) | [Blaze Solar Inc.](https://appshunter.io/developer/1717034544) |

## What reviewers say

### Handzin

[App page](https://appshunter.io/ios/app/handzin/id1565712141)

**Features:** macOS Compatibility

**In-app purchases:** none


### Blaze Solar

[App page](https://appshunter.io/ios/app/blaze-solar/id6476022542)

Monitor your rooftop solar panel system in real-time. Track energy generation, battery usage, and grid interaction. Get instant answers with an AI chatbot and receive timely system alerts.

**Highlights:** Live energy tracking, Battery usage insights, Grid interaction monitoring, AI-powered chatbot, System status updates, Performance notifications

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Handzin free?

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

### Is Blaze Solar free?

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

### Do Handzin or Blaze Solar have ads?

Blaze Solar shows ads; Handzin does not.

### Which is updated more often, Handzin or Blaze Solar?

Handzin ships an update every 9 months, and Blaze Solar monthly. Most recently, Handzin was updated on October 27, 2026 and Blaze Solar on November 4, 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.*