# RENNSPORT vs Rooftop Underground

RENNSPORT and Rooftop Underground are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

RENNSPORT ships an update every 3 weeks, Rooftop Underground every 2 weeks. The most recent releases landed on October 17, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | RENNSPORT | Rooftop Underground |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (8 ratings)](https://appshunter.io/ios/app/rennsport/id1624707528/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 82 MB | 48 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Competition Company Suisse AG](https://appshunter.io/developer/1640659501) | [Social Apps Company SAS](https://appshunter.io/developer/1700064688) |

## What reviewers say

### RENNSPORT

[App page](https://appshunter.io/ios/app/rennsport/id1624707528)

This companion app provides access to a sim racing ecosystem, offering game updates, event information, and community activities. Track your progress, view leaderboards, and link to the game for real-time advanced features.

**Highlights:** Game update notifications, Esports event information, Community activity updates, Progress and achievement tracking, Global leaderboards, Real-time in-game feature linking

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

**In-app purchases:** none


### Rooftop Underground

[App page](https://appshunter.io/ios/app/rooftop-underground/id6474046852)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RENNSPORT free?

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

### Is Rooftop Underground free?

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

### Do RENNSPORT or Rooftop Underground have ads?

Neither RENNSPORT nor Rooftop Underground shows ads.

### Which is updated more often, RENNSPORT or Rooftop Underground?

RENNSPORT ships an update every 3 weeks, and Rooftop Underground every 2 weeks. Most recently, RENNSPORT was updated on October 17, 2026 and Rooftop Underground on October 9, 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.*