# Racecar Engineering Magazine vs GridDelta

The clearest difference is in-app purchases: GridDelta at none against Racecar Engineering Magazine's 10. GridDelta also leads on update cadence (every 2 days vs every 4 months). Racecar Engineering Magazine's advantage is iOS requirement (15.6 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Racecar Engineering Magazine sells 10 in-app purchases, starting at $5.99 per month. GridDelta asks for nothing beyond the download.

Racecar Engineering Magazine ships an update every 4 months, GridDelta every 2 days. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Racecar Engineering Magazine | GridDelta |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (86 ratings)](https://appshunter.io/ios/app/racecar-engineering-magazine/id488691317/reviews)** | — |
| Number of ratings | **86** | — |
| Positive reviews | 28.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 22 MB | 16 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Chelsea Magazine Company](https://appshunter.io/developer/488153503) | [Fabio Sarmiento](https://appshunter.io/developer/1880444838) |

## What reviewers say

### Racecar Engineering Magazine

[App page](https://appshunter.io/ios/app/racecar-engineering-magazine/id488691317)

Explore the cutting edge of motorsport technology with in-depth analysis of racing and rallying. Stay ahead of the competition with insights into F1, Nascar, Rally, and Le Mans, and discover future developments in racecar design and operation.

**Highlights:** In-depth motorsport technology analysis, Insights into F1, Nascar, Rally, Le Mans, Racecar design and operation knowledge, Coverage of latest motorsport developments, Back and future issue purchases, Auto-renewing subscription options

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Racecar Engineering magazine | $5.99 | per month |
| Racecar Engineering Subscription | $6.99 | per month |
| Racecar Engineering magazine | $28.99 | per 6 months |
| Auto renewing subscription | $31.99 | per 6 months |
| Racecar Engineering Subscription | $36.99 | per 6 months |
| Auto renewing subscription | $44.99 | per year |
| Racecar Engineering magazine | $49.99 | per year |
| Racecar Engineering Subscription | $64.99 | per year |
| Racecar Engineering magazine: July 2012, by PixelMags | $6.99 | one-time |
| Racecar Engineering magazine: April 2012 | $6.99 | one-time |


### GridDelta

[App page](https://appshunter.io/ios/app/griddelta/id6759739766)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Racecar Engineering Magazine free?

Racecar Engineering Magazine is free to download, with in-app purchases available.

### Is GridDelta free?

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

### Do Racecar Engineering Magazine or GridDelta have ads?

Neither Racecar Engineering Magazine nor GridDelta shows ads.

### Which is updated more often, Racecar Engineering Magazine or GridDelta?

Racecar Engineering Magazine ships an update every 4 months, and GridDelta every 2 days. Most recently, Racecar Engineering Magazine was updated on November 1, 2026 and GridDelta on November 5, 2026.

---

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