# SideLinker vs Fill Light Selfie Ring LED Kit

The clearest difference is price: SideLinker at Free against Fill Light Selfie Ring LED Kit's $1.99. Fill Light Selfie Ring LED Kit's advantage is in-app purchases (none vs 1) and iOS requirement (13.0 vs 18.2). On update cadence, ads and device support there is nothing between them.

SideLinker is free to download; Fill Light Selfie Ring LED Kit costs $1.99 up front. SideLinker sells 1 one-off in-app purchase. Fill Light Selfie Ring LED Kit asks for nothing beyond the download.

SideLinker ships an update monthly, Fill Light Selfie Ring LED Kit every 4 weeks. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | SideLinker | Fill Light Selfie Ring LED Kit |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 weeks** |
| Size | 7 MB | 25 MB |
| Requires iOS | 18.2 | **13.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [健 常](https://appshunter.io/developer/1880702285) | [Xiamen City Fanyou Network Technology Co., Ltd.](https://appshunter.io/developer/1842524161) |

## What reviewers say

### SideLinker

[App page](https://appshunter.io/ios/app/sidelinker/id6760007015)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SideLinker Pro | $0.99 | one-time |


### Fill Light Selfie Ring LED Kit

[App page](https://appshunter.io/ios/app/fill-light-selfie-ring-led-kit/id6772426350)

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

**In-app purchases:** none


## Frequently asked questions

### Is SideLinker free?

SideLinker is free to download, with in-app purchases available.

### Is Fill Light Selfie Ring LED Kit free?

Fill Light Selfie Ring LED Kit costs $1.99, with no in-app purchases.

### Do SideLinker or Fill Light Selfie Ring LED Kit have ads?

Neither SideLinker nor Fill Light Selfie Ring LED Kit shows ads.

### Which is updated more often, SideLinker or Fill Light Selfie Ring LED Kit?

SideLinker ships an update monthly, and Fill Light Selfie Ring LED Kit every 4 weeks. Most recently, SideLinker was updated on October 25, 2026 and Fill Light Selfie Ring LED Kit on October 31, 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.*