# SUP Multiplayer Racing vs Boom Karts Multiplayer Racing

SUP Multiplayer Racing and Boom Karts Multiplayer Racing both sit at 4.6 stars, but that hides the real split: 67% of SUP Multiplayer Racing's written reviews are positive against 41% of Boom Karts Multiplayer Racing's. SUP Multiplayer Racing also leads on ratings volume (60K vs 872) and chart position (#192 vs unranked). Boom Karts Multiplayer Racing's advantage is iOS requirement (13.0 vs 15.2). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. SUP Multiplayer Racing sells 10 in-app purchases, starting at $3.99 per 7 days and Boom Karts Multiplayer Racing sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.6 for SUP Multiplayer Racing against 4.6 for Boom Karts Multiplayer Racing. That said, the two scores are not equally well evidenced: SUP Multiplayer Racing has 60K ratings behind it against 872, so its average is the more settled of the two. Written reviews are what separate them: 67% of SUP Multiplayer Racing's written reviews are positive against 41% of Boom Karts Multiplayer Racing's.

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on November 10, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | SUP Multiplayer Racing | Boom Karts Multiplayer Racing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (60K ratings)](https://appshunter.io/ios/app/sup-multiplayer-racing/id1128327441/reviews)** | [4.6 (872 ratings)](https://appshunter.io/ios/app/boom-karts-multiplayer-racing/id1553445732/reviews) |
| Number of ratings | **60K** | 872 |
| Positive reviews | **67.3% of reviews** | 41.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#192** | — |
| Size | 382 MB | 566 MB |
| Requires iOS | 15.2 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 9+ |
| Developer | [Oh BiBi](https://appshunter.io/developer/547556985) | [Zaibatsu Interactive](https://appshunter.io/developer/947001379) |

## What reviewers say

### SUP Multiplayer Racing

[App page](https://appshunter.io/ios/app/sup-multiplayer-racing/id1128327441)

**Currently charting:** #192 Top Grossing · Racing (US App Store)

Compete in real-time multiplayer races against players worldwide. Collect and customize a variety of vehicles, from F1 cars to monster trucks. Design and share your own custom tracks, or race on community-created ones.

**Highlights:** Real-time multiplayer races, Collect over 30 vehicles, Personalize cars with skins, Build and share custom tracks, Compete on community tracks, Upgrade vehicle parts, Leaderboard and rankings

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP PROGRAM | $3.99 | per 7 days |
| Special Offer 1 | $0.99 | one-time |
| Special Offer | $0.99 | one-time |
| Special Offer 11 | $1.99 | one-time |
| Special Offer | $2.99 | one-time |
| Diamonds Pack 2 | $4.99 | one-time |
| Gold Pack 2 | $4.99 | one-time |
| Special Offer 2 | $4.99 | one-time |
| Diamonds Pack 3 | $9.99 | one-time |
| Special Offer 3 | $9.99 | one-time |

**What reviewers like**

- 🚀 Fun and addictive gameplay
- 👍 Unique car designs and customization
- 🎨 Vibrant and colorful graphics
- 🤝 Multiplayer racing against other players

**What reviewers complain about**

- 🔍 Lack of correlation between race performance and rewards
- 🕹️ Glitches with car controls and physics
- 📺 Excessive and intrusive advertisements
- ⏱️ Frustrating energy/fuel system limiting playtime

**Reported bugs**

- Cars randomly switching lanes during races
- Freezing and performance issues on some devices
- Inconsistent or missing rewards after races
- Clan features not functioning properly

**Requested features**

- Add more game modes and challenges
- Improve matchmaking and skill-based matchups
- Implement a campaign or progression system
- Reduce the number of required advertisements


### Boom Karts Multiplayer Racing

[App page](https://appshunter.io/ios/app/boom-karts-multiplayer-racing/id1553445732)

Compete in fast-paced, real-time arcade kart races against players worldwide. Master drifting and boost mechanics, utilize crazy power-ups to hinder opponents, and customize your kart and avatar. Form teams with friends for custom races and unlock new karts and upgrades.

**Highlights:** Real-time online multiplayer races, Drifting and nitro boost mechanics, Arsenal of power-ups and weapons, Team creation and management, Customizable karts and avatars, Kart blueprint collection and upgrades

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pile of Gems | $1.99 | one-time |
| Starter Bundle | $2.99 | one-time |
| Box of Gems | $4.99 | one-time |
| Boom Pass | $6.99 | one-time |
| The Silver Driver | $7.99 | one-time |
| Mound of Gems | $9.99 | one-time |
| Boom Pass +10 | $9.99 | one-time |
| The Gold Racer | $12.99 | one-time |
| The Master Challenger | $14.99 | one-time |
| Container of Gems | $19.99 | one-time |

**What reviewers like**

- 🚀 Well-rounded game
- 👍 Fun racing game
- 👍 Enjoyable gameplay
- 👍 Potential to be one of the best kart games

**What reviewers complain about**

- 🐛 Buggy and glitchy
- 🐛 Laggy gameplay
- 🐛 Matchmaking and server issues
- 🔒 Pay-to-win mechanics
- 🐛 Unbalanced gameplay and unfair power-ups

**Reported bugs**

- Adventure mode not working
- Space mode not working
- Rewards and chests not functioning properly
- Accounts being hacked or banned for no reason
- Invisible obstacles and power-ups

**Requested features**

- Add leagues and rankings
- Improve progression and unlock system
- Reduce reliance on power-ups and focus more on driving skills
- Improve server stability and matchmaking
- Add more tracks and content updates


## Frequently asked questions

### Is SUP Multiplayer Racing free?

SUP Multiplayer Racing is free to download, with in-app purchases available.

### Is Boom Karts Multiplayer Racing free?

Boom Karts Multiplayer Racing is free to download, with in-app purchases available.

### Which has better reviews, SUP Multiplayer Racing or Boom Karts Multiplayer Racing?

SUP Multiplayer Racing is rated higher. SUP Multiplayer Racing averages 4.6 out of 5 from 60K ratings, while Boom Karts Multiplayer Racing averages 4.6 from 872 ratings.

### Do SUP Multiplayer Racing or Boom Karts Multiplayer Racing have ads?

Both SUP Multiplayer Racing and Boom Karts Multiplayer Racing show ads.

### Which is updated more often, SUP Multiplayer Racing or Boom Karts Multiplayer Racing?

SUP Multiplayer Racing ships an update every 6 weeks, and Boom Karts Multiplayer Racing every 6 weeks. Most recently, SUP Multiplayer Racing was updated on November 10, 2026 and Boom Karts Multiplayer Racing on November 8, 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.*