# Boulderthon vs Surge Spin

The clearest difference is ads: Boulderthon at none against Surge Spin's shown. Surge Spin's advantage is update cadence (every 8 days vs every 3 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Boulderthon ships an update every 3 weeks, Surge Spin every 8 days. The most recent releases landed on October 14, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Boulderthon | Surge Spin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (6 ratings)](https://appshunter.io/ios/app/boulderthon/id6464528901/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 36.4% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 8 days** |
| Monetization | Free | — |
| Size | 101 MB | 119 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Brooksee, LLC](https://appshunter.io/developer/1190989001) | [surgespinexperience llc](https://appshunter.io/developer/1455874997) |

## What reviewers say

### Boulderthon

[App page](https://appshunter.io/ios/app/boulderthon/id6464528901)

Track race day progress with turn-by-turn navigation and real-time updates for friends and family. Stay informed about your race with live tracking features.

**Highlights:** Real-time race tracking, Turn-by-turn navigation, Live progress updates for spectators, Race day information

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

**In-app purchases:** none


### Surge Spin

[App page](https://appshunter.io/ios/app/surge-spin/id6473739016)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Boulderthon free?

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

### Is Surge Spin free?

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

### Do Boulderthon or Surge Spin have ads?

Surge Spin shows ads; Boulderthon does not.

### Which is updated more often, Boulderthon or Surge Spin?

Boulderthon ships an update every 3 weeks, and Surge Spin every 8 days. Most recently, Boulderthon was updated on October 14, 2026 and Surge Spin on September 22, 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.*