---
title: "515, LLC — Publisher Intelligence"
type: publisher
publisher: "515, LLC"
publisher_slug: "515-llc"
canonical_url: "https://marlvel.ai/publishers/515-llc"
last_updated: 2026-06-10T18:08:21.247Z
source: Marlvel.ai
license: CC-BY-NC-4.0
citation: "Marlvel.ai — 515, LLC Publisher Intelligence"
---
# 515, LLC — Publisher Intelligence

> 515, LLC publishes 1 app tracked by Marlvel.ai. Average rating: 4.2/5. Average sentiment: 70/100. Combined reviews: 5+.

- **Publisher:** 515, LLC
- **Website:** [https://www.metrox.app](https://www.metrox.app)
- **Apps Tracked:** 1
- **Total Reviews:** 5
- **Average Rating:** 4.2/5
- **Categories:** Music
- **License:** CC-BY-NC 4.0

## Apps by 515, LLC

| App | Category | Rating | Reviews | Sentiment |
| :--- | :--- | :--- | :--- | :--- |
| [METRO X: Metronome & Pro Tuner](https://marlvel.ai/apps/metro-x-metronome-pro-tuner) | Music | 4.2/5 | 5 | Mixed (70/100) |

## Frequently Asked Questions

**Q: What apps does 515, LLC make?**
A: 515, LLC publishes METRO X: Metronome & Pro Tuner.

**Q: Are 515, LLC's apps good in 2026?**
A: 515, LLC's apps have an average rating of 4.2/5 across 5 reviews. Average sentiment score: 70/100.

---
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Data licensed under CC-BY-NC 4.0.