ShiftLock
Mark Knowles Reference iPhoneiPadiPod touch
ShiftLock is a paid Reference app for iPhone and iPad by Mark Knowles. Rated 3.3/5 from 42 ratings. Requires iOS 15.0. Updated December 4, 2025.
- Rating
- 3.3
- 42 ratings
- Price
- 6.99 USD
- on the App Store
- Size
- 55 MB
- Age 4+
- Updated
- Dec 4
- 2025 · v3.0
Screenshots
About ShiftLock
Large database of USA, European, and foreign models from 1985 up to the most recent electronic shifts. No more fumbling at the scene of a wreck, or wasted time chasing down customer’s keys. Your PPIs just got easier. With this app, you always have an alternative to dragging. Reduce damage to valuable company equipment and customer's vehicles. Ultra fast learning curve. You'll be comfortable quickly using this app on rotations and TOLs where time really matters. We reduce your time roadside with the ability to save the casualty vehicle's release info for later use, or for use in areas with poor cellular service. Content is updated regularly.
Ratings & reviews
3.3
42 ratings
What’s new
Version 3.0 · Updated December 4, 2025
Complete update to user interface Many vehicles added Menu structure and info resized larger
App privacy
The developer, Mark Knowles, reported these privacy practices to Apple.
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Location: Precise Location, Coarse Location
- Identifiers: Device ID
- Usage Data: Product Interaction, Advertising Data
- Diagnostics: Performance Data, Other Diagnostic Data
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Identifiers: Device ID
- Usage Data: Advertising Data, Product Interaction
- Diagnostics: Performance Data, Other Diagnostic Data
- Location: Precise Location, Coarse Location
Used for: Third-Party Advertising, Developer’s Advertising or Marketing, Analytics, App Functionality
Alternatives to ShiftLock
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| ShiftLock | 3.3 / 5 (42 ratings) | 6.99 USD | December 4, 2025 | |
| Cat DB – Catalytic Converters | 4.7 / 5 (69) | Free | Sep 28, 2026 | Compare |
| Counteract Balancing | 1.0 / 5 (2) | Free | May 14, 2026 | Compare |
| EV Rescue - Electric Vehicles | 3.4 / 5 (28) | Free | Sep 4, 2026 | Compare |
| CDL Direct Course | 4.9 / 5 (1,944) | Free | Sep 15, 2026 | Compare |
| CDL Prep Practice Test - 2026 | 4.8 / 5 (2,489) | Free | Sep 28, 2026 | Compare |
| TRQ Auto Parts & DIY Repairs | 4.6 / 5 (70) | Free | Oct 16, 2026 | Compare |
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