Comparison

luapsel vs Approvl

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

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
Read full description

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

About

Approvl

Read full description

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

luapsel3 screens
Approvl4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 5 level
luapsel versus Approvl: the parameters behind the verdict, then further details
ParameterluapselApprovl
Price$0.99Free — better
Rating4.5 (4 ratings) — better—
Number of ratings4 — better—
Update frequencyEvery 6 days — betterEvery 3 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS12.0 — better17.6
Further details — not scored
Size101 MB19 MB
Age rating4+4+
DeveloperOSC AudioIan Miller

In-app purchases

None

luapsel

No in-app purchases

2 purchases

Approvl

Subscriptions2
  • Approvl Monthly subscription14 Days trial$9.991 Month
  • Approvl - Annual Subscription14 Days trial$99.991 Year

Questions

Is luapsel free?
luapsel costs $0.99, with no in-app purchases.
Is Approvl free?
Approvl is free to download, with in-app purchases available.
Do luapsel or Approvl have ads?
Neither luapsel nor Approvl shows ads.
Which is updated more often, luapsel or Approvl?
luapsel ships an update every 6 days, and Approvl every 3 months. Most recently, luapsel was updated on November 4, 2026 and Approvl on October 31, 2026.

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