Music from CDSS Gems vs SL Echo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Music from CDSS Gems
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CDSS Gems is a compilation of tunes from the Country Dance and Song Society's 75th Anniversary publication. CDSS is pleased to offer these tunes in celebration of their Centennial Celebration. You can find instructions for this app at http://www.TransportedProductions.com/iDeas
SL Echo
This app provides an AUv3 delay effect for iPad, allowing musicians to quickly create a range of echo sounds from short slapbacks to long, evolving trails. It offers intuitive controls for time, feedback, tone, and stereo width, and works both standalone and within compatible music hosts.
- AUv3 delay effect
- Intuitive controls for time and feedback
- Tone shaping for repeats
- Stereo width and ducking
- Standalone preview and AUv3 integration
- Factory and user presets
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SL Echo is a focused AUv3 delay effect designed for fast musical decisions on iPad. Move from a close vocal pocket to wide, evolving repeats without navigating complex pages. • Time and feedback for slapback or long trails • Tone shaping for darker or brighter repeats • Stereo width and ducking for a clear dry signal • Factory presets and local user presets • AUv3 support for compatible iPad music hosts Works as a standalone preview app and as an AUv3 effect in GarageBand, AUM, Cubasis, BeatMaker 3 and other compatible hosts.
Screenshots
Verdict
The clearest difference is price: Music from CDSS Gems at Free against SL Echo's $6.99. SL Echo's advantage is update cadence (weekly vs every 38 months) and device support (3 vs 1). On ads and in-app purchases 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
Music from CDSS Gems is free to download; SL Echo costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Music from CDSS Gems ships an update every 38 months, SL Echo weekly. The most recent releases landed on October 29, 2026 and November 10, 2026 respectively.
| Parameter | Music from CDSS Gems | SL Echo |
|---|---|---|
| Price | Free — better | $6.99 |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 38 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 26 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | Transported Productions | VIACHESLAV ZHILTSOV |
In-app purchases
Music from CDSS Gems
No in-app purchases
SL Echo
No in-app purchases
Questions
Is Music from CDSS Gems free?
Is SL Echo free?
Do Music from CDSS Gems or SL Echo have ads?
Which is updated more often, Music from CDSS Gems or SL Echo?
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