Comp 2.0 vs Otterlocks
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Comp 2.0
Enhance your 1998.5-2002 24V Cummins diesel engine's performance with on-the-fly adjustments. Fine-tune fueling, accelerator pedal response, and timing for significant power gains.
- On-the-fly adjustability via Bluetooth
- Fine-tune low boost fueling
- Adjust fuel delivery based on pedal position
- Optimize timing for power curves
- Gains of 40-150 HP and 150-380 TQ
- Supports aftermarket injectors and turbos
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The COMP box has dominated the 1998.5-2002 24V Cummins market for two decades and put Edge Products on the map in the early diesel performance era. With so many VP44 trucks still on the road, we’ve revamped our COMP to offer dominating performance gains with the industry’s latest technology. Our all-new Bluetooth wireless switch offers on-the-fly adjustability giving complete control over the driving experience. The mobile App offers fine tuning adjustment for low boost fueling, fuel delivery based on Accelerator Pedal Position, and timing to dial in your power curve for aftermarket injectors and larger turbo combinations. Breathing new life into your 5.9L Cummins, COMP offers gains from 40-150 HP, 150-380 TQ, even more RPM, and power available for heavily modified applications.
Otterlocks
This app provides real-time notifications for smart lock status changes, alerting authorized personnel to lockouts and clear events. It generates comprehensive reports detailing lockout timelines for all equipment.
- Real-time smart lock status notifications
- Lockout alerts to authorized workers
- All clear notifications
- Lockout event reporting
- Full lockout timelines
- Equipment lockout tracking
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• Notifies all workers to Safe Sync Smart Lock status changes • Send ‘Lock Out Alerts’ and ‘All Clear’ notification to authorized and affected workers with the touch of button • Reporting of all lockout event creating full timelines for when lockouts occur for all equipment.
Screenshots
Verdict
The clearest difference is rating: Otterlocks at 5.0 against Comp 2.0's 3.8. Otterlocks also leads on update cadence (every 4 months vs every 11 months). Comp 2.0's advantage is ratings volume (6 vs 1). On price, ads, in-app purchases and monetization model 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.
Otterlocks holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: Comp 2.0 has 6 ratings behind it against 1, so its average is the more settled of the two.
Comp 2.0 ships an update every 11 months, Otterlocks every 4 months. The most recent releases landed on October 12, 2026 and October 7, 2026 respectively.
| Parameter | Comp 2.0 | Otterlocks |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (6 ratings) | 5.0 (1 ratings) — better |
| Number of ratings | 6 — better | 1 |
| Update frequency | Every 11 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 139 MB | 45 MB |
| Age rating | 4+ | 4+ |
| Developer | Holley Performance Products | Otterlocks |
Customer experience
Comp 2.0
Otterlocks
In-app purchases
Comp 2.0
No in-app purchases
Otterlocks
No in-app purchases
