# OSO inCharge vs ParkEnd

The clearest difference is in-app purchases: ParkEnd at none against OSO inCharge's 2. ParkEnd also leads on iOS requirement (12.1 vs 15.1). OSO inCharge's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. OSO inCharge sells 2 in-app purchases, starting at $1.99 per month. ParkEnd asks for nothing beyond the download.

OSO inCharge ships an update every 3 weeks, ParkEnd every 4 weeks. The most recent releases landed on October 12, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | OSO inCharge | ParkEnd |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/oso-incharge/id1547963648/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 4 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 26 MB | 13 MB |
| Requires iOS | 15.1 | **12.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OSO Hotwater](https://appshunter.io/developer/1547957927) | [Caramba App Development](https://appshunter.io/developer/349530108) |

## What reviewers say

### OSO inCharge

[App page](https://appshunter.io/ios/app/oso-incharge/id1547963648)

Remotely manage your OSO Energy water heater from your smartphone. Adjust settings and monitor performance for smarter water heating. Offers a premium subscription for enhanced features.

**Highlights:** Remote control of water heater, Monitor performance, Adjust settings, Smarter water heating management, Premium subscription options

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| inCharge Plus | $1.99 | per month |
| inCharge Plus 1year | $11.99 | per year |


### ParkEnd

[App page](https://appshunter.io/ios/app/parkend/id1608763541)

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

**In-app purchases:** none


## Frequently asked questions

### Is OSO inCharge free?

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

### Is ParkEnd free?

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

### Do OSO inCharge or ParkEnd have ads?

ParkEnd shows ads; OSO inCharge does not.

### Which is updated more often, OSO inCharge or ParkEnd?

OSO inCharge ships an update every 3 weeks, and ParkEnd every 4 weeks. Most recently, OSO inCharge was updated on October 12, 2026 and ParkEnd on October 27, 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.*