SPL vs 4.2P SP
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SPL
This utility app serves as a companion for the E-mu SP-12 drum machine, enabling users to save and load sequencer and sound memory data via MIDI. It includes a manual and sample banks for connection verification, with an upgrade option for custom sound loading.
- Save and load sequencer data
- Save and load sound memory data
- MIDI connection support
- Built-in manual
- Sample banks for connection verification
- Upgrade for custom sound loading
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The SPL-12 Sampling Percussion Librarian is a companion app for the E-mu SP-12 Sampling Percussion drum machine. The application makes no sound on it's own. It's purpuse is to provide a convenient way to save and load sequencer and sound memory data via a MIDI connection. A built-in manual will guide you through the process of connecting your unit. A provided set of sample banks help you to verify your MIDI connection first and you can upgrade to the full version with a one-time in-app purchase to load your own sounds and sequences. We hope enthusiasts will find this utility useful and keep the spirit of 12-bit sampling alive for many years to come. Enjoy!
4.2P SP
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4.2P SP是4.2P SP音箱配套的蓝牙遥控应用，旨在让用户方便地使用4.2P SP音箱，并解锁音箱更多的高阶设置。 主要功能： 1 调整音量。 2 选择输入通道。 3 设置唱机通道为MM/MC输入，并可以选择通道的输入阻抗。 4 显示音箱的状态信息。 5 设置低音信号输出的截止频率以及增益。 6 设置低音喇叭的增益。 7 设置等响度功能。 8 分别设置高中低音3段EQ的频率，Q值以及增益。
Screenshots
Verdict
The clearest difference is in-app purchases: 4.2P SP at none against SPL's 1. SPL's advantage is update cadence (every 6 days vs every 2 months) and iOS requirement (9.3 vs 13.0). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. SPL sells 1 one-off in-app purchase. 4.2P SP asks for nothing beyond the download.
SPL ships an update every 6 days, 4.2P SP every 2 months. The most recent releases landed on October 6, 2026 and October 7, 2026 respectively.
| Parameter | SPL | 4.2P SP |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 6 days — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.3 — better | 13.0 |
| Further details — not scored | ||
| Size | 19 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Delta Seven Kft. | 健雏 何 |
In-app purchases
SPL
- Full Functionality$29.99
4.2P SP
No in-app purchases
