# OpenSolar vs SmartValue

The clearest difference is rating: OpenSolar at 4.4 against SmartValue's 2.6. OpenSolar also leads on review sentiment (45% vs 13%). SmartValue's advantage is update cadence (weekly vs every 6 weeks). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

OpenSolar holds the better App Store score, 4.4 against 2.6. Both are backed by a comparable volume of ratings — 10 and 13 respectively. Written reviews point the same way: 45% of OpenSolar's written reviews are positive against 13% of SmartValue's.

OpenSolar ships an update every 6 weeks, SmartValue weekly. The most recent releases landed on September 5, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | OpenSolar | SmartValue |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (10 ratings)](https://appshunter.io/ios/app/opensolar/id1410085935/reviews)** | [2.6 (13 ratings)](https://appshunter.io/ios/app/smartvalue/id1584082310/reviews) |
| Number of ratings | 10 | **13** |
| Positive reviews | **45.5% of reviews** | 12.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | Free | Free |
| Size | 216 MB | 220 MB |
| Requires iOS | 15.7 | **15.6** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OpenSolar Pty Ltd](https://appshunter.io/developer/1340033321) | [祥梯 孟](https://appshunter.io/developer/1070155084) |

## What reviewers say

### OpenSolar

[App page](https://appshunter.io/ios/app/opensolar/id1410085935)

This free application provides a comprehensive solution for designing and selling solar energy systems. It offers end-to-end functionality for solar professionals.

**Highlights:** End-to-end solar design, Sales application, Free to use, Comprehensive functionality

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

**In-app purchases:** none


### SmartValue

[App page](https://appshunter.io/ios/app/smartvalue/id1584082310)

This business application offers real-time data visualization and access to historical data through an intelligent terminal. It provides a convenient and efficient way to monitor information from anywhere, with a focus on minimal data usage.

**Highlights:** Real-time data display, Historical data access, Intelligent data visualization, Simple charts, Low data traffic usage

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OpenSolar free?

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

### Is SmartValue free?

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

### Which has better reviews, OpenSolar or SmartValue?

OpenSolar is rated higher. OpenSolar averages 4.4 out of 5 from 10 ratings, while SmartValue averages 2.6 from 13 ratings.

### Do OpenSolar or SmartValue have ads?

Neither OpenSolar nor SmartValue shows ads.

### Which is updated more often, OpenSolar or SmartValue?

OpenSolar ships an update every 6 weeks, and SmartValue weekly. Most recently, OpenSolar was updated on September 5, 2026 and SmartValue on September 28, 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.*