# SoundMess Lab vs ARPJAM Player

The clearest difference is in-app purchases: ARPJAM Player at none against SoundMess Lab's 1. ARPJAM Player also leads on update cadence (every 2 days vs every 2 months) and iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. SoundMess Lab sells 1 one-off in-app purchase. ARPJAM Player asks for nothing beyond the download.

SoundMess Lab ships an update every 2 months, ARPJAM Player every 2 days. The most recent releases landed on October 14, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | SoundMess Lab | ARPJAM Player |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/arpjam-player/id6805495513/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | — | Free |
| Size | 5 MB | 78 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Chih Han Lin](https://appshunter.io/developer/1800248325) | [Takashi Tsunoda](https://appshunter.io/developer/1884742586) |

## What reviewers say

### SoundMess Lab

[App page](https://appshunter.io/ios/app/soundmess-lab-spl-meter/id6762592034)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SoundMess Lab Pro (Lifetime) | $5.99 | one-time |


### ARPJAM Player

[App page](https://appshunter.io/ios/app/arpjam-player/id6805495513)

This app allows you to queue music tracks and set individual playback durations. It automatically fades out the current track and transitions to the next, ensuring consistent loudness and background playback. Explore a library of published tracks or import your own.

**Highlights:** Queue and time music tracks, Automatic track fading and transition, Matched loudness for consistent volume, Background playback with screen off, Browse and import music library, Dynamic music generation engine

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

**In-app purchases:** none


## Frequently asked questions

### Is SoundMess Lab free?

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

### Is ARPJAM Player free?

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

### Do SoundMess Lab or ARPJAM Player have ads?

Neither SoundMess Lab nor ARPJAM Player shows ads.

### Which is updated more often, SoundMess Lab or ARPJAM Player?

SoundMess Lab ships an update every 2 months, and ARPJAM Player every 2 days. Most recently, SoundMess Lab was updated on October 14, 2026 and ARPJAM Player on October 10, 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.*