# Smart BMS + vs Solar Stack

The clearest difference is device support: Smart BMS + at 3 against Solar Stack's 1. Smart BMS + also leads on iOS requirement (15.0 vs 17.0). On price, 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.

## The numbers

| Metric | Smart BMS + | Solar Stack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 71 MB | 12 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sheraz Aslam](https://appshunter.io/developer/1798060185) | [Vladyslav Arseniuk](https://appshunter.io/developer/1690796637) |

## What reviewers say

### Smart BMS +

[App page](https://appshunter.io/ios/app/smart-bms-plus/id6758837136)

**Features:** macOS Compatibility

**In-app purchases:** none


### Solar Stack

[App page](https://appshunter.io/ios/app/solar-stack/id6811942413)

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

**In-app purchases:** none


## Frequently asked questions

### Is Smart BMS + free?

Smart BMS + is free to download, with no in-app purchases.

### Is Solar Stack free?

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

### Do Smart BMS + or Solar Stack have ads?

Neither Smart BMS + nor Solar Stack shows ads.

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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.*