JB4 PRO vs ALERT!
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
JB4 PRO
Integrate your performance tuner with your smartphone to adjust engine maps, view real-time data, and manage system settings. This app requires a specific Bluetooth adapter for full functionality.
- Change maps
- Monitor live engine data
- Record logs
- Manage fault codes
- Update JB4 firmware
- Smartphone integration
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Smart phone integration for your JB4 performance tuner to change maps, monitor live engine data, record logs, manage fault codes, update JB4 firmware, and much more! Note the JB4 PRO free app requires the JB4 PRO BT adapter and is not compatible with the JB4 Mobile BT adapter.
ALERT!
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ALERT! Nosework Timer ALERT! is a search timer built by a nosework competitor for nosework competitors. Set your search time, hit start, and let your watch tell you everything you need to know through your wrist: you'll feel it at the halfway point, hear "30 seconds" spoken aloud, and get a haptic countdown through the final 5 seconds. No glancing down, no math, no missed finish calls. MADE FOR THE SPORT • Preset times from 1:00 to 15:00 in 30-second intervals • Custom timer for any announced time, in 15-second intervals • Halfway alert, so you know when to plan your finish • Spoken "30 seconds" warning (or haptic-only if you prefer) • 5-4-3-2-1 haptic countdown and a time's-up alarm BUILT FOR THE WATCH • Start it and forget it. The timer keeps running and alerting with your wrist down • Watch face complication for one-tap access at the start line • Big, readable time display and progress ring you can check at a glance FULL-FEATURED ON iPHONE TOO • The same timer, presets, and voice alerts on your phone • Screen stays awake during a search • If your phone is locked, halfway, 30-second, and time's-up alerts arrive as notifications
Screenshots
Verdict
The clearest difference is price: JB4 PRO at Free against ALERT!'s $1.99. ALERT!'s advantage is chart position (#191 vs unranked). On ads, in-app purchases, device support and iOS requirement 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
JB4 PRO is free to download; ALERT! costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | JB4 PRO | ALERT! |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 4.4 (14 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 14 — better | — |
| Update frequency | Fortnightly | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Best chart rank | — | #191 — better |
| Devices | iPhone, iPad | iPhone, iPad, Apple Watch — better |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 22 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Burger Motorsports, Inc | Red Huskies LLC |
In-app purchases
JB4 PRO
No in-app purchases
ALERT!
No in-app purchases









