oXigen slot.it vs HH Smart
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
oXigen slot.it
This app serves as the official interface for Slot.it in-car circuits and compatible controllers. It allows users to connect and manage their Slot.it racing systems directly from their iOS devices.
- Official Slot.it interface
- Supports in-car circuits
- Compatible with SCP-3 controllers
- Compatible with ARC PRO controllers
- iOS device integration
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The oXigen APP for iOS is the official Slot.it interface to the supported oXigen in-car circuits, as well as the SCP-3 and ARC PRO controllers.
HH Smart
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Effortless Smart Living — Along with You. Easily manage all your Henga smart devices right from your phone—remote control at your fingertips. Freely customize scenes and automation rules. Whether it’s environmental changes (like weather), precise timing, or device linkage, the app intelligently initiates actions, so your devices work together proactively, seamlessly adapting to your routines. Enjoy unprecedented convenience, comfort, and worry-free living—start your ideal life with ease, effortlessly along with you.
Screenshots
Verdict
The clearest difference is iOS requirement: oXigen slot.it at 11.0 against HH Smart's 13.0. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 20, 2026 and October 28, 2026 respectively.
| Parameter | oXigen slot.it | HH Smart |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 3 months | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 11.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 34 MB | 190 MB |
| Age rating | 4+ | 4+ |
| Developer | SISTEK INFORMATICA | 深圳哼哈智能电子有限公司 |
In-app purchases
oXigen slot.it
No in-app purchases
HH Smart
No in-app purchases
