# SOLAR ONE vs AESOLAR ESS

The clearest difference is update cadence: AESOLAR ESS at every 4 days against SOLAR ONE's every 4 months. SOLAR ONE's advantage is iOS requirement (13.0 vs 15.0). On price, ads, 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.

SOLAR ONE ships an update every 4 months, AESOLAR ESS every 4 days. The most recent releases landed on October 11, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | SOLAR ONE | AESOLAR ESS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 days** |
| Size | 347 MB | 67 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Solar One](https://appshunter.io/developer/1649006606) | [Ningbo Boden New Energy Co., Ltd.](https://appshunter.io/developer/1853794147) |

## What reviewers say

### SOLAR ONE

[App page](https://appshunter.io/ios/app/solar-one/id6443745666)

**Features:** macOS Compatibility

**In-app purchases:** none


### AESOLAR ESS

[App page](https://appshunter.io/ios/app/aesolar-ess/id6800607001)

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

**In-app purchases:** none


## Frequently asked questions

### Is SOLAR ONE free?

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

### Is AESOLAR ESS free?

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

### Do SOLAR ONE or AESOLAR ESS have ads?

Neither SOLAR ONE nor AESOLAR ESS shows ads.

### Which is updated more often, SOLAR ONE or AESOLAR ESS?

SOLAR ONE ships an update every 4 months, and AESOLAR ESS every 4 days. Most recently, SOLAR ONE was updated on October 11, 2026 and AESOLAR ESS on October 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.*