RX2 vs PowerVision 4
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RX2
This app connects motorcycle accident victims with specialized legal representation. It offers 24/7 communication with attorneys via phone, live chat, and email to assist with recovery and legal needs.
- 24/7 attorney contact
- Live chat support
- Email communication
- Specialized legal representation
- Motorcycle accident focus
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Our motorcycle accident mobile app is a turnkey solution for all of your legal needs. The core features of our app are the ability to contact your attorney via phone, live chat or email communication 24/7. At RX2, we are passionate about motorcycles. This passion has led us to a deep understanding of what it means to represent individual riders and the motorcycle community as a whole. We never want to see one of our own go down in an accident, but we at RX2 are here to assist in every step along the way to helping our fallen brethren get back on their bikes and continue to enjoy the ride. When a rider goes down, their whole life can change in an instant. They might need money to cover medical bills for surgeries and rehabilitation, money to live on while they are unable to work, and money to get their motorcycle repaired. In the event of a serious motorcycle crash, it can be months or even years before a rider fully recovers from their physical injuries. An experienced lawyer who specializes in motorcycle accidents is essential at each step along the way After an accident, the most important decision you will make is choosing the right law firm to represent you on your road to recovery. If you or a loved one has been involved in a motorcycle accident, call us to learn about your rights and to obtain the best legal assistance from a firm whose mission is to represent riders and their families. Your consultation is free and can ultimately mean a big difference in the quality of your life and extent of your recovery. At RX2, we are committed to providing every client with aggressive legal representation and personalized attention. Call us toll free 24/7 at 800-500-4RX2 to connect with the best team in motorcycle accident law.
PowerVision 4
Control your motorcycle's engine performance directly from your iPhone. Access hundreds of pre-loaded engine tunes or create custom ones. Easily flash tunes to your bike's ECU, monitor real-time engine data, and manage diagnostic trouble codes.
- Flash tunes to ECU
- Access vast tune database
- Record real-time engine data
- Read/clear diagnostic codes
- Remote tuning optimization
- Autotune modes
- Active tests for diagnostics
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Power Vision 4 from Dynojet Research Inc. combined with your iPhone puts you in control of your bike’s engine. Gain access to hundreds of different tunes for various aftermarket components and easily flash any of them to you bike’s ECU. Unbelievably quick and easy to use; make more power and torque with the push of a button. Advanced users can edit hundreds of individual engine parameters to build a tune that’s dialed in for their unique setup using Dynojet’s integrated cloud tune delivery system. With the PV4 App and our pocket-sized PV4 device you can: • Flash tunes to your ECU – no setup required, just create an account, select your tune, flash, and ride the ultimate ride. • Access to vast database of pre-loaded tunes for different configurations – no custom tuning required. • Easily download and manage pre-loaded and custom tunes. • Record real-time engine data and review in WinPEP 8 Data Center. • Read, review, clear, and share diagnostic trouble codes (DTC’s) with built-in descriptions. • Flash an unlimited number of bikes with one device.* • Use licenses from your Power Vision Classic with your Power Vision 4. • Return to stock at any time – your original, factory tune is safely backed up on the cloud and on your phone. • Optimized for remote-tuning. – Easily ride, record, and share data logs with your tuner for trouble-free custom tuning without a dynamometer. • Keep your ECU – The Power Vision 4 reprograms your bike without having to remove or mail-in the ECU. Just plug into the diagnostic connector and flash, it’s really that easy. • Autotune - Choose from three different Autotune modes to dial your HD motorcycle in the way that fits you best. • Dynamometer Compatible - Plug your PV4 directly into your Dynojet Dynamometer to view channels, flash, read diagnostic information, read RPM via OBD, and load control without an inductive pickup. • Flashes on HD motorcycles as fast as 12.75 seconds (select models) • Active Tests help diagnose problems on your HD - cycle the fuel pump, indicators, water pump, and many other components when troubleshooting engine or electrical issues. • Diagnostic Routines allow you to bleed the ABS system at home World class, US-based customer service from our team of motorcycle enthusiasts is also available to suggest the best tune, review data recordings, or assist in troubleshooting. Your ultimate ride awaits with Power Vision 4 – download the app and see how easy tuning can be! * First bike license included with purchase of Power Vision 4 device. Requires purchase of license for each additional bike DISCLAIMER: Not legal for sale or use in California
Screenshots
Verdict
The clearest difference is in-app purchases: RX2 at none against PowerVision 4's 8. RX2 also leads on review sentiment (100% vs 78%) and iOS requirement (11.0 vs 15.0). PowerVision 4's advantage is ratings volume (312 vs 8). On price, rating, update cadence and ads 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. PowerVision 4 sells 8 one-off in-app purchases. RX2 asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for RX2 against 4.9 for PowerVision 4. That said, the two scores are not equally well evidenced: PowerVision 4 has 312 ratings behind it against 8, so its average is the more settled of the two. Written reviews are what separate them: 100% of RX2's written reviews are positive against 78% of PowerVision 4's.
RX2 ships an update fortnightly, PowerVision 4 monthly. The most recent releases landed on October 1, 2026 and October 25, 2026 respectively.
| Parameter | RX2 | PowerVision 4 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (8 ratings) — better | 4.9 (312 ratings) |
| Positive reviews | 100.0% of reviews — better | 77.9% of reviews |
| Number of ratings | 8 | 312 — better |
| Update frequency | Fortnightly — better | Monthly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 25 MB | 104 MB |
| Age rating | 17+ | 4+ |
| Developer | Legal Soft Inc | Dynojet |
Customer experience
RX2
PowerVision 4
Bugs and requests
RX2
Not enough reviews yet to summarise bugs or requests.
PowerVision 4
Reported bugs
4 issues- App crashes when using diagnostic functions
- Bluetooth disconnects during tuning process
- Sensor readings not updating correctly
- Tune flashing fails intermittently
Requested features
5 requests- Add more pre-loaded tune options
- Implement an auto-tune feature
- Improve data logging and cloud integration
- Expand support for wider range of bikes
- Enhance live sensor data display
In-app purchases
RX2
No in-app purchases
PowerVision 4
- Universal Token$10.00
- Universal Token (3x)$30.00
- Universal Token (5x)$50.00
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- Universal Token (10x)$100.00
- Universal Token (15x)$150.00
- Universal Token (20x)$200.00
- Universal Token (25x)$250.00
- Universal Token (30x)$300.00









