# Blaze Solar vs TechStack by JSP

The clearest difference is in-app purchases: Blaze Solar at none against TechStack by JSP's 10. TechStack by JSP's advantage is update cadence (daily vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. TechStack by JSP sells 9 in-app purchases, starting at $9.99 per month. Blaze Solar asks for nothing beyond the download.

Blaze Solar ships an update monthly, TechStack by JSP daily. The most recent releases landed on June 1, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Blaze Solar | TechStack by JSP |
| --- | --- | --- |
| 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** | Yes |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Daily** |
| Monetization | Ad-supported | — |
| Size | 27 MB | 80 MB |
| Requires iOS | 15.6 | **14.0.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Blaze Solar Inc.](https://appshunter.io/developer/1717034544) | [Daryl Marcano](https://appshunter.io/developer/1688013135) |

## What reviewers say

### 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


### TechStack by JSP

[App page](https://appshunter.io/ios/app/techstack-by-jsp/id6739455072)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TechStack (United States) | $9.99 | per month |
| TechStack (United States) | $24.99 | per 3 months |
| TechStack (United States) | $44.99 | per 6 months |
| TechStack (United States) | $49.99 | per 3 months |
| TechStack (United States) | $74.99 | per year |
| TechStack (United States) | $89.99 | per 6 months |
| TechStack (United States) | $124.99 | per 3 months |
| TechStack (United States) | $239.99 | per 6 months |
| TechStack (United States) | $449.99 | per year |


## Frequently asked questions

### Is Blaze Solar free?

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

### Is TechStack by JSP free?

TechStack by JSP is free to download, with in-app purchases available.

### Do Blaze Solar or TechStack by JSP have ads?

Both Blaze Solar and TechStack by JSP show ads.

### Which is updated more often, Blaze Solar or TechStack by JSP?

Blaze Solar ships an update monthly, and TechStack by JSP daily. Most recently, Blaze Solar was updated on June 1, 2026 and TechStack by JSP on September 7, 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.*