# Noi Solar vs SunLink

Noi Solar and SunLink are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases 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.

Noi Solar ships an update every 10 days, SunLink every 2 weeks. The most recent releases landed on October 17, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Noi Solar | SunLink |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 2 weeks |
| Size | 33 MB | 5 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Guangzhou NOI Technology Co., Ltd](https://appshunter.io/developer/937245550) | [飞龙 唐](https://appshunter.io/developer/1289562713) |

## 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


### SunLink

[App page](https://appshunter.io/ios/app/sunlink/id6772437661)

**In-app purchases:** none


## Frequently asked questions

### Is Noi Solar free?

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

### Is SunLink free?

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

### Do Noi Solar or SunLink have ads?

Neither Noi Solar nor SunLink shows ads.

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

Noi Solar ships an update every 10 days, and SunLink every 2 weeks. Most recently, Noi Solar was updated on October 17, 2026 and SunLink on October 14, 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.*