Code vs Screamin' Eagle Street Tuner
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Code
Diagnose Harley-Davidson motorcycle issues directly from your iPhone. Access detailed code descriptions, view diagnostic videos, and monitor live sensor data. Save and retrieve your code history for advanced troubleshooting.
- Read Harley-Davidson trouble codes
- Detailed code descriptions
- Diagnostic videos
- Live sensor data
- Save/retrieve code history
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Read Harley-Davidson® trouble codes with your iPhone! Code:READ from Vance & Hines makes your iPhone one of the most powerful code readers available. Detailed code descriptions, diagnostic videos for common codes, live sensor data, and the ability to save/retrieve code history bring advanced diagnostic capabilities to you. ("Harley-Davidson" is a registered trademark of Harley-Davidson Motor Company.)
Screamin' Eagle Street Tuner
This app simplifies engine parameter management for select Harley-Davidson models when paired with a specific Bluetooth module. It allows users to upload calibrations, perform custom tuning sessions, and monitor vehicle data.
- Upload engine calibrations
- Perform Smart Tune sessions
- Store run-time data
- View performance gauges
- View diagnostics
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The Screamin' Eagle Street Tuner App is for use exclusively with the Screamin’ Eagle® Pro Street Tuner Bluetooth communication module that is sold as an accessory for select Harley-Davidson® models. The Screamin’ Eagle® Street Tuner App is designed to simplify management of engine operating parameters as performance modifications are made. Once the Tuner hardware module is installed, this app allows you to upload the latest Engine Control Module (ECM) calibrations to match your bike’s state-of-tune or perform a Smart Tune session to tailor the base calibration to your custom ride. • Download Screamin’ Eagle® calibrations from a vast calibration library • Perform a Smart Tune session* to tailor the calibration • Store run-time data • View performance gauges and vehicle data • View and clear diagnostics functions *Smart Tune not available in all markets.
Screenshots
Verdict
The clearest difference is review sentiment: Code at 75% against Screamin' Eagle Street Tuner's 16%. Code also leads on rating (4.0 vs 1.8) and iOS requirement (10.0 vs 15.0). Screamin' Eagle Street Tuner's advantage is in-app purchases (none vs 1) and ratings volume (91 vs 5). On price, update cadence, ads 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. Code sells 1 one-off in-app purchase. Screamin' Eagle Street Tuner asks for nothing beyond the download.
Code holds the better App Store score, 4.0 against 1.8. That said, the two scores are not equally well evidenced: Screamin' Eagle Street Tuner has 91 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 75% of Code's written reviews are positive against 16% of Screamin' Eagle Street Tuner's.
Code ships an update monthly, Screamin' Eagle Street Tuner every 2 months. The most recent releases landed on October 12, 2026 and October 18, 2026 respectively.
| Parameter | Code | Screamin' Eagle Street Tuner |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (5 ratings) — better | 1.8 (91 ratings) |
| Positive reviews | 75.0% of reviews — better | 16.2% of reviews |
| Number of ratings | 5 | 91 — better |
| Update frequency | Monthly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 10.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 74 MB | 180 MB |
| Age rating | 4+ | 17+ |
| Developer | Vance & Hines | Harley-Davidson Motor Company |
Customer experience
Code
Screamin' Eagle Street Tuner
Bugs and requests
Code
Not enough reviews yet to summarise bugs or requests.
Screamin' Eagle Street Tuner
Reported bugs
4 issues- App crashes when trying to do smart tune or view data
- Fails to connect to tuner, saying it's paired with another device
- Tuner bricks the motorcycle after flashing a corrupted file
- Voltage error prevents smart tune from starting even with fully charged battery
Requested features
3 requests- Add ability to turn on oil cooling fan, cool flow fan, and other accessories
- Integrate with Apple CarPlay
- Improve auto-tune functionality and reliability
In-app purchases
Code
- Code:READ Premium$0.99
Screamin' Eagle Street Tuner
No in-app purchases
Questions
Is Code free?
Is Screamin' Eagle Street Tuner free?
Which has better reviews, Code or Screamin' Eagle Street Tuner?
Do Code or Screamin' Eagle Street Tuner have ads?
Which is updated more often, Code or Screamin' Eagle Street Tuner?
Other comparisons
