# SmartShaker 3 vs ServiceKey Nucleus

The clearest difference is update cadence: ServiceKey Nucleus at monthly against SmartShaker 3's every 2 months. 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.

SmartShaker 3 ships an update every 2 months, ServiceKey Nucleus monthly. The most recent releases landed on October 29, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | SmartShaker 3 | ServiceKey Nucleus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (41 ratings)](https://appshunter.io/ios/app/smartshaker-3/id1232631923/reviews)** | — |
| Number of ratings | **41** | — |
| Positive reviews | 17.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | — |
| Size | 32 MB | 39 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MariHome Tech Limited](https://appshunter.io/developer/6813808803) | [NTT DATA](https://appshunter.io/developer/1236266706) |

## What reviewers say

### SmartShaker 3

[App page](https://appshunter.io/ios/app/smartshaker-3/id1232631923)

This app connects to a wireless bed shaker alarm via Bluetooth for reliable and discreet wake-ups. It offers customizable vibration strengths, stores alarm settings directly on the device, and provides notifications for calls and other apps. The long-lasting battery ensures up to 14 days of use on a single charge.

**Highlights:** Bluetooth pairing and control, On-device alarm storage, Adjustable vibration levels, Instant notification alerts, Long-lasting battery life

**In-app purchases:** none


### ServiceKey Nucleus

[App page](https://appshunter.io/ios/app/servicekey-nucleus/id1519423338)

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

**In-app purchases:** none


## Frequently asked questions

### Is SmartShaker 3 free?

SmartShaker 3 is free to download, with no in-app purchases.

### Is ServiceKey Nucleus free?

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

### Do SmartShaker 3 or ServiceKey Nucleus have ads?

Neither SmartShaker 3 nor ServiceKey Nucleus shows ads.

### Which is updated more often, SmartShaker 3 or ServiceKey Nucleus?

SmartShaker 3 ships an update every 2 months, and ServiceKey Nucleus monthly. Most recently, SmartShaker 3 was updated on October 29, 2026 and ServiceKey Nucleus on October 20, 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.*