# SmartESS vs SolarAlign Pro

The clearest difference is in-app purchases: SmartESS at none against SolarAlign Pro's 2. SmartESS also leads on iOS requirement (13.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SolarAlign Pro sells 2 in-app purchases, starting at $4.99 per month. SmartESS asks for nothing beyond the download.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 23, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | SmartESS | SolarAlign Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (127 ratings)](https://appshunter.io/ios/app/smartess/id1334656760/reviews)** | — |
| Number of ratings | **127** | — |
| Positive reviews | 19.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free | — |
| Size | 198 MB | 29 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | +17 |
| Developer | [祥梯 孟](https://appshunter.io/developer/1070155084) | [Edry Garcia](https://appshunter.io/developer/1843024177) |

## What reviewers say

### SmartESS

[App page](https://appshunter.io/ios/app/smartess/id1334656760)

Monitor your energy storage machine's status in real-time with this mobile application. It offers easy-to-understand data visualization, historical data access from anywhere, and displays information in multiple dimensions. The app is designed for efficient data transfer with minimal internet traffic usage.

**Highlights:** Real-time energy storage machine monitoring, Intelligent data visualization, Simple and easy-to-understand charts, Access historical data anytime, anywhere, Multi-dimensional data display, Low internet traffic usage

**Features:** macOS Compatibility

**In-app purchases:** none


### SolarAlign Pro

[App page](https://appshunter.io/ios/app/solaralign-pro-sun-and-tilt/id6761153513)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $4.99 | per month |
| Premium Yearly | $29.99 | per year |


## Frequently asked questions

### Is SmartESS free?

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

### Is SolarAlign Pro free?

SolarAlign Pro is free to download, with in-app purchases available.

### Do SmartESS or SolarAlign Pro have ads?

Neither SmartESS nor SolarAlign Pro shows ads.

### Which is updated more often, SmartESS or SolarAlign Pro?

SmartESS ships an update monthly, and SolarAlign Pro monthly. Most recently, SmartESS was updated on October 23, 2026 and SolarAlign Pro on October 5, 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.*