# Prometheus Mobile STO vs Tracearr

The clearest difference is price: Prometheus Mobile STO at Free against Tracearr's $4.99. Prometheus Mobile STO also leads on iOS requirement (13.0 vs 17.0). Tracearr's advantage is update cadence (every 3 days vs every 2 months). On ads, in-app purchases and device support there is nothing between them.

Prometheus Mobile STO is free to download; Tracearr costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Prometheus Mobile STO ships an update every 2 months, Tracearr every 3 days. Both last shipped on October 30, 2026.

## The numbers

| Metric | Prometheus Mobile STO | Tracearr |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | — | **[4.0 (20 ratings)](https://appshunter.io/ios/app/tracearr/id6755941553/reviews)** |
| Number of ratings | — | **20** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | — | Paid |
| Size | 34 MB | 87 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [PROMETHEUS GROUP, INC.](https://appshunter.io/developer/1554172551) | [Connor Gallopo](https://appshunter.io/developer/1857500817) |

## What reviewers say

### Prometheus Mobile STO

[App page](https://appshunter.io/ios/app/prometheus-mobile-sto/id6452803445)

**Features:** macOS Compatibility

**In-app purchases:** none


### Tracearr

[App page](https://appshunter.io/ios/app/tracearr/id6755941553)

Monitor your Plex, Jellyfin, and Emby media servers from a single dashboard. Track active streams in real-time, build custom automation rules, and manage user trust scores. Analyze session history and gain insights into library usage.

**Highlights:** Real-time streaming dashboard, Flexible rule builder with 20+ conditions, Customizable trust scores, Session history and analytics, User profiles with activity details, Push notifications for alerts, Multi-server support

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Prometheus Mobile STO free?

Prometheus Mobile STO is free to download, with no in-app purchases.

### Is Tracearr free?

Tracearr costs $4.99, with no in-app purchases.

### Do Prometheus Mobile STO or Tracearr have ads?

Neither Prometheus Mobile STO nor Tracearr shows ads.

### Which is updated more often, Prometheus Mobile STO or Tracearr?

Prometheus Mobile STO ships an update every 2 months, and Tracearr every 3 days. Most recently, Prometheus Mobile STO was updated on October 30, 2026 and Tracearr on October 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.*