PredatorX vs Decode RPO
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PredatorX
This application enables vehicle tuning through the DS-MFD module. It provides a direct interface for adjusting vehicle performance parameters.
- Vehicle tuning
- DS-MFD module integration
- Performance adjustment
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The PredatorX app allows you to tune your vehicle using the DS-MFD module.
Decode RPO
Instantly decode GM vehicle RPO codes by scanning the QR code on your vehicle's label. Get a clear list of factory options installed on your car, making it easy to understand its specifications. Supports 2017 and newer model years.
- Scan GM vehicle QR codes
- Decode RPO (Regular Production Option) codes
- Get clear descriptions of factory options
- Supports 2017+ model years
- Simple and intuitive interface
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DecoderRPO is a simple mobile RPO decoder for GM vehicles. Just scan the QR code on your vehicle label and instantly get a decoded list of RPO (Regular Production Option) codes with clear descriptions - so you can understand the exact factory options installed on the car. How it works 1) Open the app and scan the QR code on the certification/service label (2017 and newer model years). 2) The app extracts the RPO codes. 3) You get a readable list of every code and its meaning. On many newer vehicles, the certification label includes a QR code that contains the VIN and RPO information. Disclaimer DecoderRPO is an independent app and is not affiliated with General Motors or its brands. Option descriptions are provided for reference and may vary by model year and market.
Screenshots
Verdict
The clearest difference is rating: Decode RPO at 4.8 against PredatorX's 2.1. Decode RPO also leads on in-app purchases (none vs 3) and update cadence (every 5 days vs every 3 weeks). On price, ratings volume, 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. PredatorX sells 3 one-off in-app purchases. Decode RPO asks for nothing beyond the download.
Decode RPO holds the better App Store score, 4.8 against 2.1. Both are backed by a comparable volume of ratings — 30 and 22 respectively.
PredatorX ships an update every 3 weeks, Decode RPO every 5 days. The most recent releases landed on October 2, 2026 and September 23, 2026 respectively.
| Parameter | PredatorX | Decode RPO |
|---|---|---|
| Price | Free | Free |
| Rating | 2.1 (30 ratings) | 4.8 (22 ratings) — better |
| Positive reviews | 28.0% of reviews | — |
| Number of ratings | 30 — better | 22 |
| Update frequency | Every 3 weeks | Every 5 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 124 MB | 66 MB |
| Age rating | 4+ | 4+ |
| Developer | Holley Performance Products | Vyacheslav Kravchina |
Customer experience
PredatorX
Decode RPO
In-app purchases
PredatorX
- Throttle Booster$29.95
- FlashPaq$124.99
- PCM Cross Ship$274.99
Decode RPO
No in-app purchases
