# TRJX Trapon vs VIN decoder & Window Sticker

The clearest difference is in-app purchases: TRJX Trapon at none against VIN decoder & Window Sticker's 15. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. VIN decoder & Window Sticker sells 13 one-off in-app purchases. TRJX Trapon asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 12, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | TRJX Trapon | VIN decoder & Window Sticker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (67 ratings)](https://appshunter.io/ios/app/vin-decoder-and-window-sticker/id1576559330/reviews)** |
| Number of ratings | — | **67** |
| Positive reviews | — | 89.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 33 MB | 120 MB |
| Requires iOS | 14.4 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TRAJECTORY, LTD](https://appshunter.io/developer/1559843386) | [Vehicle History](https://appshunter.io/developer/1576559332) |

## What reviewers say

### TRJX Trapon

[App page](https://appshunter.io/ios/app/trjx-trapon-a/id1559843384)

**Features:** macOS Compatibility

**In-app purchases:** none


### VIN decoder & Window Sticker

[App page](https://appshunter.io/ios/app/vin-decoder-and-window-sticker/id1576559330)

Instantly decode any vehicle's VIN to reveal its specifications, original window sticker, and comprehensive history. Access accident records, mileage, title checks, and maintenance insights. Supports classic cars and global coverage.

**Highlights:** Free VIN Decoder, Vehicle History Reports, Window Sticker Lookup, License Plate Lookup (US), Auction Photos & Records, Maintenance & Warranty Insights, Classic VIN Check

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic | $19.99 | one-time |
| Silver | $29.99 | one-time |
| Gold | $49.99 | one-time |
| Gold | $59.99 | one-time |
| Platinum | $79.99 | one-time |
| Diamond | $79.99 | one-time |
| Basic | $99.99 | one-time |
| Silver | $199.99 | one-time |
| Gold | $299.99 | one-time |
| Gold | $349.99 | one-time |
| Business | $449.99 | one-time |
| Platinum | $499.99 | one-time |
| Platinum | $599.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Fast and efficient
- 💡 Comprehensive information
- ✅ Accurate reports
- 🤝 Great customer service

**What reviewers complain about**

- 🚩 Scam accusations
- ⏳ Wasted time
- ❓ Misleading website
- 💰 Unnecessary purchases
- 📉 Inaccurate information

**Reported bugs**

- Report not showing up
- App stops working offline
- Unexpected charges

**Requested features**

- Combine VIN report and sticker purchase
- Clarify pricing on website
- Improve accuracy of window stickers
- Offline VIN decoding functionality


## Frequently asked questions

### Is TRJX Trapon free?

TRJX Trapon is free to download, with no in-app purchases.

### Is VIN decoder & Window Sticker free?

VIN decoder & Window Sticker is free to download, with in-app purchases available.

### Do TRJX Trapon or VIN decoder & Window Sticker have ads?

Neither TRJX Trapon nor VIN decoder & Window Sticker shows ads.

### Which is updated more often, TRJX Trapon or VIN decoder & Window Sticker?

TRJX Trapon ships an update every 2 months, and VIN decoder & Window Sticker every 2 months. Most recently, TRJX Trapon was updated on October 12, 2026 and VIN decoder & Window Sticker on October 20, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*