# The Mp3 Experiment vs TrackJames

The clearest difference is rating: TrackJames at 5.0 against The Mp3 Experiment's 3.8. TrackJames also leads on update cadence (every 4 weeks vs every 9 months). The Mp3 Experiment's advantage is ratings volume (12 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

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

TrackJames holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: The Mp3 Experiment has 12 ratings behind it against 2, so its average is the more settled of the two.

The Mp3 Experiment ships an update every 9 months, TrackJames every 4 weeks. The most recent releases landed on October 23, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | The Mp3 Experiment | TrackJames |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (12 ratings)](https://appshunter.io/ios/app/the-mp3-experiment/id537991205/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/trackjames/id6759473295/reviews)** |
| Number of ratings | **12** | 2 |
| Positive reviews | 78.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 4 weeks** |
| Monetization | Free | Free |
| Size | 39 MB | 26 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Improv Everywhere Productions, Inc.](https://appshunter.io/developer/1141107519) | [Mr Stonemountain, LLC](https://appshunter.io/developer/987352130) |

## What reviewers say

### The Mp3 Experiment

[App page](https://appshunter.io/ios/app/the-mp3-experiment/id537991205)

This app synchronizes custom audio playback for participants in a live, participatory audio adventure. Users join an event, and the audio automatically plays in sync, guiding them through humorous, secret instructions in public spaces.

**Highlights:** Synchronized audio playback, Participatory audio adventures, Custom audio file synchronization, Automatic playback at event start, Live event guidance

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

**In-app purchases:** none


### TrackJames

[App page](https://appshunter.io/ios/app/trackjames/id6759473295)

Locate individuals by guiding them to your position or allowing them to find you. This application facilitates easy tracking and connection with specific people.

**Highlights:** Locate specific individuals, Guide others to your location, Allow others to find you, Facilitates connection

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

**In-app purchases:** none


## Frequently asked questions

### Is The Mp3 Experiment free?

The Mp3 Experiment is free to download, with no in-app purchases.

### Is TrackJames free?

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

### Which has better reviews, The Mp3 Experiment or TrackJames?

TrackJames is rated higher. The Mp3 Experiment averages 3.8 out of 5 from 12 ratings, while TrackJames averages 5.0 from 2 ratings.

### Do The Mp3 Experiment or TrackJames have ads?

Neither The Mp3 Experiment nor TrackJames shows ads.

### Which is updated more often, The Mp3 Experiment or TrackJames?

The Mp3 Experiment ships an update every 9 months, and TrackJames every 4 weeks. Most recently, The Mp3 Experiment was updated on October 23, 2026 and TrackJames on October 20, 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.*