# OPSIS by Stinger vs Spinner Rack

The clearest difference is in-app purchases: OPSIS by Stinger at none against Spinner Rack's 2. Spinner Rack's advantage is update cadence (weekly vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Spinner Rack sells 2 in-app purchases, starting at $4.99 per month. OPSIS by Stinger asks for nothing beyond the download.

OPSIS by Stinger ships an update every 3 weeks, Spinner Rack weekly. Both last shipped on October 24, 2026.

## The numbers

| Metric | OPSIS by Stinger | Spinner Rack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.3 (67 ratings)](https://appshunter.io/ios/app/opsis-by-stinger/id6449980489/reviews)** | — |
| Number of ratings | **67** | — |
| Positive reviews | 9.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free | — |
| Size | 94 MB | 96 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [AAMP Global](https://appshunter.io/developer/1254428712) | [Next Gen Tech Solutions LLC (WA)](https://appshunter.io/developer/1894750327) |

## 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


### Spinner Rack

[App page](https://appshunter.io/ios/app/spinner-rack/id6762582204)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Spinner Rack Pro Monthly | $4.99 | per month |
| Spinner Rack Pro Annual | $49.99 | per year |


## Frequently asked questions

### Is OPSIS by Stinger free?

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

### Is Spinner Rack free?

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

### Do OPSIS by Stinger or Spinner Rack have ads?

Neither OPSIS by Stinger nor Spinner Rack shows ads.

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

OPSIS by Stinger ships an update every 3 weeks, and Spinner Rack weekly. Most recently, OPSIS by Stinger was updated on October 24, 2026 and Spinner Rack on October 24, 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.*