# OPSIS by Stinger vs XKmax

The clearest difference is review sentiment: XKmax at 100% against OPSIS by Stinger's 9%. XKmax also leads on rating (4.8 vs 1.4). OPSIS by Stinger's advantage is ratings volume (56 vs 6). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

XKmax holds the better App Store score, 4.8 against 1.4. That said, the two scores are not equally well evidenced: OPSIS by Stinger has 56 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 9% of OPSIS by Stinger's written reviews are positive against 100% of XKmax's.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 14, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | OPSIS by Stinger | XKmax |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.4 (56 ratings)](https://appshunter.io/ios/app/opsis-by-stinger/id6449980489/reviews) | **[4.8 (6 ratings)](https://appshunter.io/ios/app/xkmax/id6452970921/reviews)** |
| Number of ratings | **56** | 6 |
| Positive reviews | 9.1% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | Free |
| Size | 94 MB | 90 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [AAMP of Florida, Inc.](https://appshunter.io/developer/1254428712) | [XKGLOW LLC](https://appshunter.io/developer/1022211243) |

## What reviewers say

### OPSIS by Stinger

[App page](https://appshunter.io/ios/app/opsis-by-stinger/id6449980489)

Monitor your vehicle's driving in real-time and get alerts when it enters or leaves specific zones. This app provides live location and condition tracking, enhancing vehicle management and prioritizing safety.

**Highlights:** Real-time driving observation, Geo-fencing capabilities, Area entry/exit notifications, Live vehicle location tracking, Vehicle condition monitoring, Enhanced vehicle management

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Works beautifully with camera
- 👍 Great camera to save you
- 👍 Love the voice prompts
- 👍 App works very well
- 👍 Simple to use and retrieve video

**What reviewers complain about**

- 😞 Terrible at connecting
- 😞 Horrible connecting and staying connected
- 😞 Gets very hot
- 😞 Virtually impossible to set up
- 😞 Poor connectivity

**Reported bugs**

- App restarts camera
- App fails to connect
- App does not save settings
- Authentication code not received
- App support links broken

**Requested features**

- Fix the app
- Make the app user friendly
- Improve connectivity
- Provide working support
- Fix authentication code issues


### XKmax

[App page](https://appshunter.io/ios/app/xkmax/id6452970921)

Transform your vehicle with advanced addressable RGBW LED lighting. Customize colors, create chasing effects, and sync lights to music or vehicle speed. Control your lighting with programmable sensors and a remote fob.

**Highlights:** Addressable LED chasing effects, RGBW and RGB color channels, Music and vehicle speed sync, Programmable sensor control, RF remote fob operation

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

**In-app purchases:** none


## Frequently asked questions

### Is OPSIS by Stinger free?

OPSIS by Stinger is free to download, with no in-app purchases.

### Is XKmax free?

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

### Which has better reviews, OPSIS by Stinger or XKmax?

XKmax is rated higher. OPSIS by Stinger averages 1.4 out of 5 from 56 ratings, while XKmax averages 4.8 from 6 ratings.

### Do OPSIS by Stinger or XKmax have ads?

Neither OPSIS by Stinger nor XKmax shows ads.

### Which is updated more often, OPSIS by Stinger or XKmax?

OPSIS by Stinger ships an update every 3 weeks, and XKmax every 3 weeks. Most recently, OPSIS by Stinger was updated on September 14, 2026 and XKmax on September 11, 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.*