luapsel vs Know the Notes
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
luapsel
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.
- 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
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luapsel: Unique Evolving Electric Guitar Ambience luapsel is a collection of Electric Guitar samples, meticulously multi-sampled in Round Robin and reversed in the most transparent way possible to offer your projects an easy-to-use calming vibe. Play around with built-in delay, reverb, and chorus effects, or go au naturel. Sound design is a breeze with real-time filters, release control, and tuning options. Get luapsel for free inside Decent Sampler or just enjoy the raw samples, or grab the new improved app for just $1. Features -Polyphonic reversed guitar sounds -Round Robin sampling for nuanced playback -Four articulations: Original, Looped, Fast, & Slow -Built-in delay, reverb, and chorus effects -Real-time low-pass filter (Tone) -ADSR Release control and real-time sampling tuning -Available for Decent Sampler or as standalone samples
Know the Notes
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Unlock your musical potential with Know the Notes, the ultimate ear training companion for musicians of all levels. Whether you're a beginner learning to identify notes or an advanced player refining your pitch, our app offers a responsive simple to use practice environment. Realistic Audio Experience Forget static, low-quality samples. Know Your Notes uses advanced real-time audio synthesis to generate sounds instantly. Piano: Rich, synthesized piano tones. Guitar: Plucked strings using the Karplus-Strong algorithm. Tone: Pure sine waves for focused frequency training. Practice Mode: Freely explore notes on an interactive keyboard with immediate visual feedback. Track your streaks and improve at your own pace. Quiz Mode: Test your skills with customizable quizzes. Choose your quiz length and difficulty. Delayed Feedback enhances real ear-training exams by hiding results until the end of the quiz. Customizable and Learning Difficulty Control: Toggle sharps and flats (black keys) to match your skill level. Settings: Adjust quiz lengths and feedback styles to suit your learning preference. Stop guessing and start knowing. Download Know Your Notes and tune your ear today!
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | luapsel | Know the Notes |
|---|---|---|
| Price | $0.99 — better | $1.99 |
| Rating | 4.5 (4 ratings) — better | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 6 days — better | Fortnightly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Best chart rank | #192 — better | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 101 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | OSC Audio | DAVID MAYR LERNER |
In-app purchases
luapsel
No in-app purchases
Know the Notes
No in-app purchases
Questions
Is luapsel free?
Is Know the Notes free?
Do luapsel or Know the Notes have ads?
Which is updated more often, luapsel or Know the Notes?
Other comparisons
