# Noi Solar vs SLView

The clearest difference is update cadence: Noi Solar at every 10 days against SLView's every 2 months. 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 10 days, SLView every 2 months. The most recent releases landed on October 17, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Noi Solar | SLView |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 2 months |
| Size | 33 MB | 15 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Guangzhou NOI Technology Co., Ltd](https://appshunter.io/developer/937245550) | [Hangzhou Shunli Optotech Co.,Ltd](https://appshunter.io/developer/6778368459) |

## 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


### SLView

[App page](https://appshunter.io/ios/app/slview/id6778368457)

**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 SLView free?

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

### Do Noi Solar or SLView have ads?

Neither Noi Solar nor SLView shows ads.

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

Noi Solar ships an update every 10 days, and SLView every 2 months. Most recently, Noi Solar was updated on October 17, 2026 and SLView 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.*