# luapsel vs Know the Notes

The clearest difference is update cadence: luapsel at every 6 days against Know the Notes's fortnightly. luapsel also leads on chart position (#192 vs unranked) and price ($0.99 vs $1.99). On ads, in-app purchases and device support there is nothing between them.

luapsel costs $0.99 and Know the Notes $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

luapsel ships an update every 6 days, Know the Notes fortnightly. The most recent releases landed on September 23, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | luapsel | Know the Notes |
| --- | --- | --- |
| Price | **$0.99** | $1.99 |
| Rating | **[4.5 (4 ratings)](https://appshunter.io/ios/app/luapsel/id6569224196/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 days** | Fortnightly |
| Monetization | Paid | — |
| Best chart rank | **#192** | — |
| Size | 101 MB | 26 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OSC Audio](https://appshunter.io/developer/1693533681) | [DAVID MAYR LERNER](https://appshunter.io/developer/1877367513) |

## What reviewers say

### luapsel

[App page](https://appshunter.io/ios/app/luapsel/id6569224196)

**Currently charting:** #192 Top Paid · Music (US App Store)

Create calming electric guitar ambience with reversed samples and built-in effects. Offers polyphonic playback, multiple articulations, and real-time sound shaping tools for unique musical textures.

**Highlights:** Polyphonic reversed guitar sounds, Round Robin sampling, Multiple articulations, Built-in delay, reverb, chorus, Real-time low-pass filter, ADSR Release control, Standalone samples available

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

**In-app purchases:** none


### Know the Notes

[App page](https://appshunter.io/ios/app/know-the-notes/id6759197678)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is luapsel free?

luapsel costs $0.99, with no in-app purchases.

### Is Know the Notes free?

Know the Notes costs $1.99, with no in-app purchases.

### Do luapsel or Know the Notes have ads?

Neither luapsel nor Know the Notes shows ads.

### Which is updated more often, luapsel or Know the Notes?

luapsel ships an update every 6 days, and Know the Notes fortnightly. Most recently, luapsel was updated on September 23, 2026 and Know the Notes on October 2, 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.*