# The Mp3 Experiment vs Rumor

The clearest difference is update cadence: Rumor at every 5 days against The Mp3 Experiment's every 9 months. Rumor also leads on ratings volume (53 vs 12). The Mp3 Experiment's advantage is rating (3.8 vs 3.5). On price, review sentiment, ads and in-app purchases there is nothing between them.

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

The Mp3 Experiment holds the better App Store score, 3.8 against 3.5. Both are backed by a comparable volume of ratings — 12 and 53 respectively. Written reviews point the same way: 78% of The Mp3 Experiment's written reviews are positive against 73% of Rumor's.

The Mp3 Experiment ships an update every 9 months, Rumor every 5 days. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | The Mp3 Experiment | Rumor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (12 ratings)](https://appshunter.io/ios/app/the-mp3-experiment/id537991205/reviews)** | [3.5 (53 ratings)](https://appshunter.io/ios/app/rumor-invites-that-matter/id6503365397/reviews) |
| Number of ratings | 12 | **53** |
| Positive reviews | **78.3% of reviews** | 72.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 5 days** |
| Monetization | Free | Free |
| Size | 39 MB | 145 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Improv Everywhere Productions, Inc.](https://appshunter.io/developer/1141107519) | [rumor](https://appshunter.io/developer/1713908355) |

## 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


### Rumor

[App page](https://appshunter.io/ios/app/rumor-invites-that-matter/id6503365397)

This app connects users to exclusive cultural experiences like art, fashion, and music events. It allows members to discover and receive invites to coveted moments, manage RSVPs, and connect directly with event hosts. Hosts can create event pages, manage invitations, and track guest engagement.

**Highlights:** Access exclusive cultural experiences, Discover and receive event invites, Filter events by category and location, Connect directly with event hosts, Manage RSVPs and passes, Create and manage event pages, Track event engagement

**Features:** macOS Compatibility, Apple Wallet, 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 Rumor free?

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

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

The Mp3 Experiment is rated higher. The Mp3 Experiment averages 3.8 out of 5 from 12 ratings, while Rumor averages 3.5 from 53 ratings.

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

Neither The Mp3 Experiment nor Rumor shows ads.

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

The Mp3 Experiment ships an update every 9 months, and Rumor every 5 days. Most recently, The Mp3 Experiment was updated on November 1, 2026 and Rumor on November 5, 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.*