# Polying vs RhythmLink

The clearest difference is update cadence: Polying at every 2 weeks against RhythmLink's every 6 weeks. Polying also leads on device support (4 vs 2). RhythmLink's advantage is iOS requirement (12.0 vs 15.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Polying ships an update every 2 weeks, RhythmLink every 6 weeks. The most recent releases landed on September 9, 2026 and May 16, 2026 respectively.

## The numbers

| Metric | Polying | RhythmLink |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.2 (5 ratings)](https://appshunter.io/ios/app/polying/id6471041609/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Monetization | Free | — |
| Size | 92 MB | 55 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [深圳艾斯特创新科技有限公司](https://appshunter.io/developer/1405370693) | [Shenzhen Shenyu Electronic Technology Co., Ltd.](https://appshunter.io/developer/1753417347) |

## What reviewers say

### Polying

[App page](https://appshunter.io/ios/app/polying/id6471041609)

Connect and control Bluetooth smart devices with your phone. Monitor device status, adjust settings, and receive automatic firmware updates. Seamless interaction with your smart gadgets.

**Highlights:** Bind Bluetooth smart devices, Display device status, Modify device parameters, Automatic firmware upgrades, Interact with devices via phone

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

**In-app purchases:** none


### RhythmLink

[App page](https://appshunter.io/ios/app/rhythmlink/id6504698776)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Polying free?

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

### Is RhythmLink free?

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

### Do Polying or RhythmLink have ads?

Neither Polying nor RhythmLink shows ads.

### Which is updated more often, Polying or RhythmLink?

Polying ships an update every 2 weeks, and RhythmLink every 6 weeks. Most recently, Polying was updated on September 9, 2026 and RhythmLink on May 16, 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.*