SDNM vs KARR Security
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SDNM
This app allows users to anonymously and securely report near misses or close calls. It collects details about incidents, potential injuries, and safety improvements, with automatic blurring of faces and offensive images for privacy. The app offers full offline support and synchronizes data when a connection is available.
- Anonymous reporting
- Secure data collection
- Image upload and commenting
- Automatic image blurring (faces, offensive content)
- Offline support
- Auto-synchronization
- User feedback mechanism
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Anonymously and securely report near misses/close calls with the SDNM app. - Collect information about what happened - Collect information about potential injuries and/or damage to equipment - Collect information about potential improvements to safety - Upload and comment on images - App automatically blurs offensive and/or violent images - App automatically blurs all faces in uploaded images for anonymity - Submissions are anonymous by default - Full offline support and auto-synchronization of data and images when a connection is available - Integration with device email to submit questions about the app - User feedback mechanism to rate and comment on the app - New Near Miss submissions send an email to the Safety Operations team with all data, and secure links to scrubbed images
KARR Security
This app enhances KARR Security systems, offering theft prevention and GPS-based vehicle recovery. It provides convenient, selectable features for seamless integration with the security products.
- Seamless integration with KARR Security products
- Theft prevention features
- GPS-based vehicle recovery
- Convenient and selectable features
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The KARR Security companion App is designed with convenient and selectable features for seamless integration with KARR Security products. KARR Security systems are theft prevention and GPS based recovery devices offered at most automotive dealers across the United States.
Screenshots
Verdict
The clearest difference is rating: SDNM at 4.5 against KARR Security's 3.0. KARR Security's advantage is ratings volume (172 vs 6). 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.
SDNM holds the better App Store score, 4.5 against 3.0. That said, the two scores are not equally well evidenced: KARR Security has 172 ratings behind it against 6, so its average is the more settled of the two.
SDNM ships an update every 4 months, KARR Security every 3 months. The most recent releases landed on September 14, 2026 and September 25, 2026 respectively.
| Parameter | SDNM | KARR Security |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (6 ratings) — better | 3.0 (172 ratings) |
| Positive reviews | — | 44.3% of reviews |
| Number of ratings | 6 | 172 — better |
| Update frequency | Every 4 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 30 MB | 190 MB |
| Age rating | 4+ | 4+ |
| Developer | San Diego Gas & Electric | WEBHOUSE SOFTWARE SOLUTIONS PTY LTD |
Customer experience
SDNM
KARR Security
Bugs and requests
SDNM
Not enough reviews yet to summarise bugs or requests.
KARR Security
Reported bugs
4 issues- App crashes and freezes frequently
- Notifications not working as expected
- Inconsistent connectivity with vehicle
- Incorrect vehicle location reporting
Requested features
4 requests- Improve remote lock/unlock capabilities
- Provide more detailed location tracking
- Add support for smartwatch integration
- Enhance customization options
In-app purchases
SDNM
No in-app purchases
KARR Security
No in-app purchases
