# JU vs SleepWarning

The clearest difference is in-app purchases: JU at none against SleepWarning's 1. JU also leads on device support (3 vs 1) and iOS requirement (15 vs 17.6). SleepWarning's advantage is update cadence (every 4 days vs every 3 months). On price and ads there is nothing between them.

Both are free to download. SleepWarning sells 1 one-off in-app purchase. JU asks for nothing beyond the download.

JU ships an update every 3 months, SleepWarning every 4 days. The most recent releases landed on October 7, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | JU | SleepWarning |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/ju-control/id1231415741/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 11.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 11 MB | 7 MB |
| Requires iOS | **15** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [JUDO Wasseraufbereitung GmbH](https://appshunter.io/developer/412864390) | [Tilo Greiner](https://appshunter.io/developer/1740838965) |

## What reviewers say

### JU

[App page](https://appshunter.io/ios/app/ju-control/id1231415741)

Remotely control and monitor network-enabled devices from JUDO. Receive notifications for important events and adjust settings for optimal water quality. Manage multiple devices, perfect for landlords or those with several JUDO products.

**Highlights:** Remote device control, Real-time status monitoring, Push notifications for events, Adjustable water quality settings, Manage multiple devices, Backwash reminder function

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

**In-app purchases:** none


### SleepWarning

[App page](https://appshunter.io/ios/app/sleepwarning/id6758070039)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SleepWarning | $1.99 | one-time |


## Frequently asked questions

### Is JU free?

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

### Is SleepWarning free?

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

### Do JU or SleepWarning have ads?

Neither JU nor SleepWarning shows ads.

### Which is updated more often, JU or SleepWarning?

JU ships an update every 3 months, and SleepWarning every 4 days. Most recently, JU was updated on October 7, 2026 and SleepWarning on October 4, 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.*