SideChain AUv3 vs Learn Synths
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SideChain AUv3
Create a classic EDM pumping effect with tempo-synced volume ducking. This app offers full parameter control for automation and allows saving/loading custom presets. Fine-tune your audio envelope with adjustable floor, delay, curve, and release settings.
- Tempo-synced volume ducking
- Full parameter automation
- Save and load presets
- Adjustable ADSR envelope controls
- EDM pumping effect
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Simple tempo-synced volume envelope for that classic EDM pumping effect. All parameters exposed for automation. The default setting will probably do what you need, but you can also save/load presets. Set floor value, delay, curve, release point - control the envelope like a standard ADSR __ If you're having an issue, please email me at support@scalenumbers.com rather than leaving a review, as apple doesn't send developers any alerts when reviews are left, so I won't know you've tried to contact me.
Learn Synths
Explore the world of sound synthesis with interactive lessons and practical exercises. Learn subtractive, FM, wavetable, and more through a hands-on approach. Unlock the full course and instruments with a single purchase.
- Interactive synthesis lessons
- 49 lessons across nine tracks
- Virtual synth, drum machine, and sampler
- AUv3 plug-ins for music hosts
- MIDI controller support
- Genre studies and sound design challenges
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Learn Synths teaches synthesis by letting you play it. Every lesson is the same synthesiser with a few more controls revealed. Lesson 1 is four waveforms and a scope. Lesson 49 is a full instrument with sequencing, effects, sampling and MIDI. Nothing is a recording. Every sound is synthesised as you touch it, and the waveform on screen is the one going to the speaker. THE COURSE 49 lessons in nine tracks: subtractive synthesis, sequencing, drums, FM, wavetable, additive, effects and mixing, sampling and MIDI. Each screen shows only the controls it teaches. A short quiz finishes every lesson. BEYOND THE COURSE Seven genre studies, from house to dubstep, as drums, bass and lead playing together with every knob open. Tours of Sylenth1 and Serum 2, section by section, each linked to the lesson that taught it. Eleven challenges: hear a classic sound, build it by ear, get scored. INSTRUMENTS AND PLUG-INS The synth, drum machine and sampler on their own, with presets, a sequencer and effects. The same three as AUv3 plug-ins for GarageBand, Logic, AUM and other hosts. MIDI USB, Bluetooth and Wi-Fi controllers, a MIDI monitor, velocity, mod wheel, pedal and aftertouch. The first three lessons are free. One purchase unlocks everything, forever, on all your devices. No subscription, no account, no ads. Sylenth1 is a product of LennarDigital. Serum 2 is a product of Xfer Records. Images used with permission.
Screenshots
Verdict
The clearest difference is price: Learn Synths at Free against SideChain AUv3's $2.99. SideChain AUv3's advantage is in-app purchases (none vs 1) and chart position (#188 vs unranked). On rating, ratings volume, 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
Learn Synths is free to download; SideChain AUv3 costs $2.99 up front. Learn Synths sells 1 one-off in-app purchase. SideChain AUv3 asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for SideChain AUv3 against 5.0 for Learn Synths. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
| Parameter | SideChain AUv3 | Learn Synths |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Number of ratings | 1 | 1 |
| Update frequency | Every 3 days | — |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Best chart rank | #188 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 16 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | Scale Degrees LTD | PDS Technology LTD |
In-app purchases
SideChain AUv3
No in-app purchases
Learn Synths
- Full Course$4.99









