# Solar vs uink RMS

The clearest difference is update cadence: Solar at every 10 days against uink RMS's every 3 months. Solar also leads on iOS requirement (13.0 vs 15.1). 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 ships an update every 10 days, uink RMS every 3 months. The most recent releases landed on September 22, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Solar | uink RMS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 months |
| Size | 47 MB | 36 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [厦门蓝旭科技有限公司](https://appshunter.io/developer/1722214713) | [Xiamen Yueying Technology Co., Ltd.](https://appshunter.io/developer/1863598566) |

## What reviewers say

### Solar

[App page](https://appshunter.io/ios/app/solar-lit-bluetooth/id6747466536)

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

**In-app purchases:** none


### uink RMS

[App page](https://appshunter.io/ios/app/uink-rms/id6756906628)

**In-app purchases:** none


## Frequently asked questions

### Is Solar free?

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

### Is uink RMS free?

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

### Do Solar or uink RMS have ads?

Neither Solar nor uink RMS shows ads.

### Which is updated more often, Solar or uink RMS?

Solar ships an update every 10 days, and uink RMS every 3 months. Most recently, Solar was updated on September 22, 2026 and uink RMS on September 12, 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.*