Gecko Comp vs VelocityScaler
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Gecko Comp
This music app offers a simplified audio compression experience with a single control knob. It provides instant visual feedback and is designed to always produce musical results, eliminating complex settings and menu navigation. It functions as an AUv3 effect for popular music production hosts on iOS and macOS.
- One-knob compression control
- Instant visual feedback
- Musical compression settings
- AUv3 effect plugin
- iOS and macOS compatible
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Turn one knob. Gecko Comp takes care of the rest — musical compression with instant visual feedback, everywhere you make music. One knob controls everything — threshold, ratio, attack, release. All tuned together to always sound musical. No wrong settings, no menu diving. Load Gecko Comp as an AUv3 effect in GarageBand, AUM, and any compatible host on iOS and macOS. Drop it on a track and you're done.
VelocityScaler
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VelocityScaler is a MIDI effect audio unit plugin for scaling MIDI note velocities. It can be loaded into DAWs like Ableton Live, Logic Pro, Reaper, GarageBand etc., or other audio unit hosts such as AUM. It is great for compensating different key sensitivities and behaviours of MIDI keyboards, for adapting MIDI signals and tracks to different instrument plugins, and for tweaking the dynamics of MIDI tracks.
Screenshots
Verdict
The clearest difference is price: VelocityScaler at Free against Gecko Comp's $1.99. Gecko Comp's advantage is update cadence (every 2 weeks vs monthly). On ads, in-app purchases, device support and iOS requirement 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
VelocityScaler is free to download; Gecko Comp costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Gecko Comp ships an update every 2 weeks, VelocityScaler monthly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | Gecko Comp | VelocityScaler |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 5.0 (3 ratings) — better | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 2 weeks — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Mac |
| Requires iOS | 17.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 8 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Dave Govert Menkehorst | mattoncino software |
In-app purchases
Gecko Comp
No in-app purchases
VelocityScaler
No in-app purchases
