# RhythMic vs The Sandglass

The clearest difference is in-app purchases: The Sandglass at none against RhythMic's 2. The Sandglass also leads on update cadence (every 3 weeks vs every 2 months) and iOS requirement (10.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. RhythMic sells 2 one-off in-app purchases. The Sandglass asks for nothing beyond the download.

RhythMic ships an update every 2 months, The Sandglass every 3 weeks. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | RhythMic | The Sandglass |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/rhythmic-music-visualizer/id1620686702/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 15 MB | 2 MB |
| Requires iOS | 15.0 | **10.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Mohammad sulaiman](https://appshunter.io/developer/1015271882) | [Shota Hori](https://appshunter.io/developer/1442007331) |

## What reviewers say

### RhythMic

[App page](https://appshunter.io/ios/app/rhythmic-music-visualizer/id1620686702)

Transform your device into a real-time music visualizer that reacts to ambient sound. Choose from over 30 themes, sync with multiple devices, and even use your Apple Watch as part of the light show. Perfect for parties, content creation, or enhancing your listening experience.

**Highlights:** Real-time music visualization, 30+ premium visual themes, Multi-phone Wi-Fi sync, Apple Watch sync, Beat-synced flashlight strobe, Live Activity on Lock Screen, Screen recording mode

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RhythMic Premium | $3.99 | one-time |
| RhythMic Premium 2 | $7.99 | one-time |


### The Sandglass

[App page](https://appshunter.io/ios/app/the-sandglass/id6769894160)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is RhythMic free?

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

### Is The Sandglass free?

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

### Do RhythMic or The Sandglass have ads?

Neither RhythMic nor The Sandglass shows ads.

### Which is updated more often, RhythMic or The Sandglass?

RhythMic ships an update every 2 months, and The Sandglass every 3 weeks. Most recently, RhythMic was updated on November 7, 2026 and The Sandglass on November 5, 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.*