# Event IMU vs Water Eject Speaker Clean Dust

The clearest difference is in-app purchases: Event IMU at none against Water Eject Speaker Clean Dust's 2. Water Eject Speaker Clean Dust's advantage is update cadence (every 2 months vs every 11 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Water Eject Speaker Clean Dust sells 2 in-app purchases, starting at $4.99 per 7 days. Event IMU asks for nothing beyond the download.

Event IMU ships an update every 11 months, Water Eject Speaker Clean Dust every 2 months. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Event IMU | Water Eject Speaker Clean Dust |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 2 months** |
| Size | 62 MB | 15 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kirkelig Forening for Den Indre Mission i Danmark](https://appshunter.io/developer/524910355) | [HALIME USLU](https://appshunter.io/developer/1895487243) |

## What reviewers say

### Event IMU

[App page](https://appshunter.io/ios/app/event-imu/id725582728)

**Features:** macOS Compatibility

**In-app purchases:** none


### Water Eject Speaker Clean Dust

[App page](https://appshunter.io/ios/app/water-eject-speaker-clean-dust/id6774718734)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $4.99 | per 7 days |
| Yearly Pro | $29.99 | per year |


## Frequently asked questions

### Is Event IMU free?

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

### Is Water Eject Speaker Clean Dust free?

Water Eject Speaker Clean Dust is free to download, with in-app purchases available.

### Do Event IMU or Water Eject Speaker Clean Dust have ads?

Neither Event IMU nor Water Eject Speaker Clean Dust shows ads.

### Which is updated more often, Event IMU or Water Eject Speaker Clean Dust?

Event IMU ships an update every 11 months, and Water Eject Speaker Clean Dust every 2 months. Most recently, Event IMU was updated on November 1, 2026 and Water Eject Speaker Clean Dust 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.*