# mudblast vs Sync Spin

The clearest difference is rating: Sync Spin at 5.0 against mudblast's 4.3. Sync Spin also leads on review sentiment (100% vs 86%) and update cadence (monthly vs every 2 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

Sync Spin holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 6 and 10 respectively. Written reviews point the same way: 86% of mudblast's written reviews are positive against 100% of Sync Spin's.

mudblast ships an update every 2 months, Sync Spin monthly. The most recent releases landed on November 6, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | mudblast | Sync Spin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (6 ratings)](https://appshunter.io/ios/app/mudblast/id1038653619/reviews) | **[5.0 (10 ratings)](https://appshunter.io/ios/app/sync-spin/id6739968248/reviews)** |
| Number of ratings | 6 | **10** |
| Positive reviews | 85.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | Free |
| Size | 6 MB | 28 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Ani Ortega](https://appshunter.io/developer/1036270998) | [Richard Witherspoon](https://appshunter.io/developer/1690898003) |

## What reviewers say

### mudblast

[App page](https://appshunter.io/ios/app/mudblast/id1038653619)

Discover local mud runs and obstacle races with this app. It provides race details, allows you to save events to your calendar, and offers a customizable packing list. Get race day tips to prepare for your next event.

**Highlights:** Find local mud runs and obstacle races, View race details, Save events to calendar, Customizable packing list, Pre-race and post-race tips

**Features:** macOS Compatibility

**In-app purchases:** none


### Sync Spin

[App page](https://appshunter.io/ios/app/sync-spin/id6739968248)

This app enhances indoor cycling with real-time metrics, detailed workout summaries, and historical insights. It integrates with Apple Health and offers interactive charts to visualize progress and achieve fitness goals.

**Highlights:** Real-time metrics tracking (Cadence, Speed, Power, Resistance), Detailed workout summaries, Apple Health integration, Interactive workout charts, Historical workout insights, Customizable dashboard, Home Screen Widgets and Shortcuts

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is mudblast free?

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

### Is Sync Spin free?

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

### Which has better reviews, mudblast or Sync Spin?

Sync Spin is rated higher. mudblast averages 4.3 out of 5 from 6 ratings, while Sync Spin averages 5.0 from 10 ratings.

### Do mudblast or Sync Spin have ads?

Neither mudblast nor Sync Spin shows ads.

### Which is updated more often, mudblast or Sync Spin?

mudblast ships an update every 2 months, and Sync Spin monthly. Most recently, mudblast was updated on November 6, 2026 and Sync Spin on November 8, 2026.

---

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