# Runbuds vs MuscleCheck

The clearest difference is in-app purchases: Runbuds at none against MuscleCheck's 3. Runbuds also leads on update cadence (every 2 days vs weekly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. MuscleCheck sells 3 in-app purchases, starting at $1.99 per month. Runbuds asks for nothing beyond the download.

Runbuds ships an update every 2 days, MuscleCheck weekly. The most recent releases landed on October 14, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Runbuds | MuscleCheck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (64 ratings)](https://appshunter.io/ios/app/runbuds/id6744413545/reviews)** | — |
| Number of ratings | **64** | — |
| Positive reviews | 96.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Weekly |
| Monetization | Free | — |
| Size | 56 MB | 11 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Light Nudge](https://appshunter.io/developer/1731016560) | [Alejandro Zadkiel De Jesus Ramirez](https://appshunter.io/developer/1590352102) |

## What reviewers say

### Runbuds

[App page](https://appshunter.io/ios/app/runbuds/id6744413545)

This app allows you to run with friends in real-time, seeing each other's avatars on a virtual track. It includes a run tracker with lock screen support, group relay challenges, and detailed performance statistics with shareable visualizations.

**Highlights:** Real-time avatar tracking, Live lock screen activities, Group relay challenges, Detailed run statistics, Shareable run visualizations

**In-app purchases:** none

**What reviewers like**

- 🚀 Fun interface
- 👍 Seamless performance
- 👍 Actively updated with new features
- 👍 Motivating community
- 👍 Social and engaging


### MuscleCheck

[App page](https://appshunter.io/ios/app/musclecheck/id6748917084)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $1.99 | per month |
| Pro Yearly | $14.99 | per year |
| Lifetime Pro | $29.99 | one-time |


## Frequently asked questions

### Is Runbuds free?

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

### Is MuscleCheck free?

MuscleCheck is free to download, with in-app purchases available.

### Do Runbuds or MuscleCheck have ads?

Neither Runbuds nor MuscleCheck shows ads.

### Which is updated more often, Runbuds or MuscleCheck?

Runbuds ships an update every 2 days, and MuscleCheck weekly. Most recently, Runbuds was updated on October 14, 2026 and MuscleCheck on September 30, 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.*