# PSA vs Engine Swap Guide for GT7

The clearest difference is ads: Engine Swap Guide for GT7 at none against PSA's shown. Engine Swap Guide for GT7 also leads on monetization model (free vs ad-supported). PSA's advantage is update cadence (every 4 days vs every 9 months) and ratings volume (64K vs 11). On price, rating, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Engine Swap Guide for GT7 holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: PSA has 64K ratings behind it against 11, so its average is the more settled of the two.

PSA ships an update every 4 days, Engine Swap Guide for GT7 every 9 months. The most recent releases landed on November 11, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | PSA | Engine Swap Guide for GT7 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (64K ratings)](https://appshunter.io/ios/app/psa-card-tracking-and-grading/id996239729/reviews) | **[5.0 (11 ratings)](https://appshunter.io/ios/app/engine-swap-guide-for-gt7/id6749481184/reviews)** |
| Number of ratings | **64K** | 11 |
| Positive reviews | 57.4% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 9 months |
| Monetization | Ad-supported | **Free** |
| Best chart rank | **#19** | — |
| Size | 184 MB | 8 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [PSA](https://appshunter.io/developer/733912121) | [Patrik Ell](https://appshunter.io/developer/1591951181) |

## What reviewers say

### PSA

[App page](https://appshunter.io/ios/app/psa-card-tracking-and-grading/id996239729)

**Currently charting:** #19 Top Free · Reference (US App Store)

Manage your trading card collection by identifying, tracking, and organizing your cards. Submit them for grading, track your orders, and sell them through integrated platforms. Access pricing data and market trends to enhance your collecting and selling decisions.

**Highlights:** Scan and identify cards for pricing, Track portfolio value and trends, Organize graded and ungraded cards, Submit cards for professional grading, Track grading order progress, Sell cards via eBay and PSA Vault

**Features:** macOS Compatibility, Apple Wallet, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Excellent tracking and updates
- 👍 Convenient features like grade reveal
- 🚀 Smooth and user-friendly app
- 🔒 Secure and professional service
- 💡 Integrated with useful data like pop reports

**What reviewers complain about**

- 🐛 Scanning and card recognition issues
- 🔍 Inconsistent grading and lower-than-expected grades
- 💰 Expensive grading and shipping fees
- ⏱️ Slow grading and order processing times
- 🔨 App crashes and bugs after updates

**Reported bugs**

- Frequent app crashes and freezes
- Login and authentication issues
- Inaccurate card information and pop reports
- Submission status not updating properly

**Requested features**

- Ability to sort and filter collection
- Integration with eBay for listing cards
- Historical market data and price trends
- Customizable notification settings
- Improved scanning and card identification


### Engine Swap Guide for GT7

[App page](https://appshunter.io/ios/app/engine-swap-guide-for-gt7/id6749481184)

This app provides a quick reference for all engine swaps available in Gran Turismo 7. Easily find compatible engines for any car or cars that can use a specific engine, helping you plan your dream builds.

**Highlights:** Browse all available engine swaps, Search by car brand, Search by engine code, Real-time search filters, Organized and up-to-date data, Tailored for GT7 players

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PSA free?

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

### Is Engine Swap Guide for GT7 free?

Engine Swap Guide for GT7 is free to download, with no in-app purchases.

### Which has better reviews, PSA or Engine Swap Guide for GT7?

Engine Swap Guide for GT7 is rated higher. PSA averages 4.8 out of 5 from 64K ratings, while Engine Swap Guide for GT7 averages 5.0 from 11 ratings.

### Do PSA or Engine Swap Guide for GT7 have ads?

PSA shows ads; Engine Swap Guide for GT7 does not.

### Which is updated more often, PSA or Engine Swap Guide for GT7?

PSA ships an update every 4 days, and Engine Swap Guide for GT7 every 9 months. Most recently, PSA was updated on November 11, 2026 and Engine Swap Guide for GT7 on November 5, 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.*