Q vs Trailer Sentry
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Q
This app allows Quantum Tuning dealers to quickly verify vehicle eligibility and estimate performance gains using a vehicle's model or registration number. It connects dealers to a global remapping service with extensive vehicle coverage.
- Vehicle eligibility check
- Estimated performance figures
- Vehicle model lookup
- Vehicle registration lookup
- Global dealer network access
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This application is mainly designed for Quantum Tuning dealers to check the vehicle's eligibility & estimated performance figures from a vehicle's model or vehicle registration number. Quantum Tuning is the UK’s largest remapping service dealer group/franchise with over 1000 dealers and 1000+ Approved Installation Centres. Represented in over 51 countries, the Quantum Remap is truly a global brand & best chip tuning company. We are a market leader for remapping and chip tuning across a range of over 6,000 cars, vans, motor-homes, truck and tractors and are the UK leaders in DPF Solution. As a quality led business we care passionately about what we do and how we do it, check out our Trustpilot rating to see what our customers think of us. For more information, please visit: https://www.quantumtuning.co.uk/ https://www.quantumdealer.co.uk/ https://www.qfiles.co.uk/ https://www.qtuningtools.co.uk/
Trailer Sentry
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The Trailer Sentry is an anti-theft device that is capable of locking trailer and tractor brakes preventing assets from being moved or stolen. The optional Cargo Guard hardware also enables the locking and unlocking of cargo doors via the app. Dispatch may grant or remove access via web-based software to specific drivers to control specific assets using the app from any Bluetooth-enabled iOS phone or tablet.
Screenshots
Verdict
The clearest difference is update cadence: Trailer Sentry at every 5 months against Q's every 20 months. Q's advantage is iOS requirement (10.0 vs 12.0). 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.
Q ships an update every 20 months, Trailer Sentry every 5 months. The most recent releases landed on October 24, 2026 and October 3, 2026 respectively.
| Parameter | Q | Trailer Sentry |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 20 months | Every 5 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 10.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 54 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | David Guildford | 7PSolutions, LLC |
In-app purchases
Q
No in-app purchases
Trailer Sentry
No in-app purchases
