ResponderApp vs KATSTrack
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ResponderApp
This app provides a streamlined platform for agencies utilizing Xtra Duty or Extra Duty Solutions. It offers a convenient way to manage off-duty work and related administrative tasks.
- Off-duty work management
- Agency integration
- Streamlined administration
- Xtra Duty support
- Extra Duty Solutions partner
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If your agency uses Xtra Duty or if your off duty work is administered by our strategic partner, Extra Duty Solutions, then Responder is available to you!
KATSTrack
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KATSTrack is the professional solution for K9 handlers to document training sessions and incident responses with precision GPS tracking. FEATURES: • Real-time GPS tracking for training sessions and incidents • Background location tracking to ensure continuous route recording • Photo evidence capture and attachment to tracks • Detailed track history with maps and metadata • Multiple tracking modes: Training, Incidents, Decoys, and Overlaid tracks • Team and category management • Secure biometric authentication (Face ID/Touch ID) • Offline-first design - works without internet connection • Export tracks for reporting and evidence documentation PROFESSIONAL TOOLS: • Record K9 training sessions with precise GPS data • Document incident responses with location evidence • Capture and attach photos to tracking sessions • Organize tracks by team, category, and handler • Review historical tracks with detailed maps • Generate professional reports for record-keeping PRIVACY & SECURITY: • All data stored locally on your device • Biometric authentication for quick, secure access • Location data used only for tracking your K9 operations • No data sharing with third parties Perfect for law enforcement K9 units, search and rescue teams, detection dog handlers, and professional K9 trainers who need reliable, detailed documentation of their work.
Screenshots
Verdict
The clearest difference is update cadence: KATSTrack at weekly against ResponderApp's every 6 weeks. On price, ads, in-app purchases and device support 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.
ResponderApp ships an update every 6 weeks, KATSTrack weekly. The most recent releases landed on September 21, 2026 and September 9, 2026 respectively.
| Parameter | ResponderApp | KATSTrack |
|---|---|---|
| Price | Free | Free |
| Rating | 2.1 (49 ratings) — better | — |
| Positive reviews | 30.0% of reviews | — |
| Number of ratings | 49 — better | — |
| Update frequency | Every 6 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.1 — better | 16.4 |
| Further details — not scored | ||
| Size | 44 MB | 64 MB |
| Age rating | 4+ | 4+ |
| Developer | Extra Duty Solutions | Mehrdad Aghamolaei |
In-app purchases
ResponderApp
No in-app purchases
KATSTrack
No in-app purchases









