luapsel vs Approvl
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
Approvl
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Approvl is for music producers who want feedback and approval on songs and mixes from their artists, labels etc. Capturing written or verbal comments on the timeline allows the producer to fine tune the mix and ensure the client or label are happy with the end product. Doing this manually involves countless phone calls, emails and texts and Approvl makes this efficient and easy for both producer and artist. Mixes can be reviewed on Mac, iPad or iPhone also making it easy for mixes to approved on the road, in the van or wherever the artist is. Mixes can also be approved through a web link. Approvl is a paid monthly or annual subscription for producers but is free to approvers. Supplied according to standard Apple Terms of Use (EULA) found here: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is price: Approvl at Free against luapsel's $0.99. luapsel's advantage is in-app purchases (none vs 2) and update cadence (every 6 days vs every 3 months). On 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
Approvl is free to download; luapsel costs $0.99 up front. Approvl sells 2 in-app purchases, starting at $9.99 per month. luapsel asks for nothing beyond the download.
luapsel ships an update every 6 days, Approvl every 3 months. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.
| Parameter | luapsel | Approvl |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 4.5 (4 ratings) — better | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 6 days — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 12.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 101 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | OSC Audio | Ian Miller |
In-app purchases
luapsel
No in-app purchases
Approvl
- Approvl Monthly subscription14 Days trial$9.991 Month
- Approvl - Annual Subscription14 Days trial$99.991 Year









