# iSoundBath vs Sidekick

The clearest difference is in-app purchases: iSoundBath at none against Sidekick's 2. Sidekick's advantage is update cadence (every 4 days vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Sidekick sells 2 in-app purchases, starting at $9.99 per month. iSoundBath asks for nothing beyond the download.

iSoundBath ships an update every 2 weeks, Sidekick every 4 days. Both last shipped on October 30, 2026.

## The numbers

| Metric | iSoundBath | Sidekick |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Size | 400 MB | 49 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Stephannie Jones](https://appshunter.io/developer/1734868781) | [Hyemi Paek](https://appshunter.io/developer/1864195435) |

## What reviewers say

### iSoundBath

[App page](https://appshunter.io/ios/app/isoundbath/id6749166753)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Sidekick

[App page](https://appshunter.io/ios/app/sidekick-us/id6757012140)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| sidekick_express_monthly | $9.99 | per month |
| sidekick.pro.monthly | $9.99 | per month |


## Frequently asked questions

### Is iSoundBath free?

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

### Is Sidekick free?

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

### Do iSoundBath or Sidekick have ads?

Neither iSoundBath nor Sidekick shows ads.

### Which is updated more often, iSoundBath or Sidekick?

iSoundBath ships an update every 2 weeks, and Sidekick every 4 days. Most recently, iSoundBath was updated on October 30, 2026 and Sidekick on October 30, 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.*