# Noi Solar vs Ennos

The clearest difference is update cadence: Noi Solar at every 9 days against Ennos's monthly. 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.

Noi Solar ships an update every 9 days, Ennos monthly. The most recent releases landed on September 13, 2026 and September 4, 2026 respectively.

## The numbers

| Metric | Noi Solar | Ennos |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Monthly |
| Size | 33 MB | 6 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Guangzhou NOI Technology Co., Ltd](https://appshunter.io/developer/937245550) | [Ennos Ag](https://appshunter.io/developer/1828445858) |

## What reviewers say

### Noi Solar

[App page](https://appshunter.io/ios/app/noi-solar/id6746528081)

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

**In-app purchases:** none


### Ennos

[App page](https://appshunter.io/ios/app/ennos/id6749009347)

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

**In-app purchases:** none


## Frequently asked questions

### Is Noi Solar free?

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

### Is Ennos free?

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

### Do Noi Solar or Ennos have ads?

Neither Noi Solar nor Ennos shows ads.

### Which is updated more often, Noi Solar or Ennos?

Noi Solar ships an update every 9 days, and Ennos monthly. Most recently, Noi Solar was updated on September 13, 2026 and Ennos on September 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.*