# E vs SolarECO

E and SolarECO are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | E | SolarECO |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 5 weeks |
| Size | 32 MB | 56 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [深圳市集智电子有限公司](https://appshunter.io/developer/1655111205) | [家豪 李](https://appshunter.io/developer/1738154766) |

## What reviewers say

### E

[App page](https://appshunter.io/ios/app/e-vault/id6478206464)

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

**In-app purchases:** none


### SolarECO

[App page](https://appshunter.io/ios/app/solareco/id6484594025)

**In-app purchases:** none


## Frequently asked questions

### Is E free?

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

### Is SolarECO free?

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

### Do E or SolarECO have ads?

Neither E nor SolarECO 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.*