# BimmerRefs vs Engine Swap Guide for GT7

The clearest difference is price: Engine Swap Guide for GT7 at Free against BimmerRefs's $3.99. Engine Swap Guide for GT7 also leads on rating (5.0 vs 3.9). BimmerRefs's advantage is update cadence (every 2 weeks vs every 9 months). On ratings volume, ads, in-app purchases and device support there is nothing between them.

Engine Swap Guide for GT7 is free to download; BimmerRefs costs $3.99 up front. 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 3.9. Both are backed by a comparable volume of ratings — 7 and 7 respectively.

BimmerRefs ships an update every 2 weeks, Engine Swap Guide for GT7 every 9 months. The most recent releases landed on October 16, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | BimmerRefs | Engine Swap Guide for GT7 |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [3.9 (7 ratings)](https://appshunter.io/ios/app/bimmerrefs/id1602258173/reviews) | **[5.0 (7 ratings)](https://appshunter.io/ios/app/engine-swap-guide-for-gt7/id6749481184/reviews)** |
| Number of ratings | 7 | 7 |
| Positive reviews | 56.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 9 months |
| Monetization | Paid | **Free** |
| Size | 18 MB | 8 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Manuel Rodriguez](https://appshunter.io/developer/1602210682) | [Patrik Ell](https://appshunter.io/developer/1591951181) |

## What reviewers say

### BimmerRefs

[App page](https://appshunter.io/ios/app/bimmerrefs/id1602258173)

Access comprehensive BMW parts catalogs and diagrams. Find part numbers, check compatibility, and view assembly details for BMW, Mini, Rolls Royce, and Zinoro vehicles. Save favorite cars and explore wheel specs and genuine colors.

**Highlights:** BMW parts catalog, Part number lookup, Compatibility checker, Assembly diagrams, VIN code search, Favorite cars list, Wheel specifications, Genuine color catalog

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

**In-app purchases:** none


### 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 BimmerRefs free?

BimmerRefs costs $3.99, 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, BimmerRefs or Engine Swap Guide for GT7?

Engine Swap Guide for GT7 is rated higher. BimmerRefs averages 3.9 out of 5 from 7 ratings, while Engine Swap Guide for GT7 averages 5.0 from 7 ratings.

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

Neither BimmerRefs nor Engine Swap Guide for GT7 shows ads.

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

BimmerRefs ships an update every 2 weeks, and Engine Swap Guide for GT7 every 9 months. Most recently, BimmerRefs was updated on October 16, 2026 and Engine Swap Guide for GT7 on October 10, 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.*