JULY vs Musical Demon's Impulse
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
JULY
This app faithfully emulates a classic 1980s polyphonic analog synthesizer. It meticulously models the original's circuits, offering its warm sound and signature chorus effect in a software format. It functions as both an AUv3 plugin and a standalone application.
- Faithful emulation of iconic 1980s polyphonic analog synth
- Detailed circuit modeling
- Warm DCO sound
- Silky filter
- Unmistakable chorus effect
- AUv3 plugin and standalone operation
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JULY is a faithful emulation of one of the most iconic polyphonic analog synthesizers from the early 1980s. We spent months living with the original, studying every quirk and charm, from the warm, steady DCO to the silky filter and that unmistakable chorus, then modeled its circuits in detail to bring its soul into software. Available as AUv3 and Standalone
Musical Demon's Impulse
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Impulse is a focused, musician‑built tool for capturing clean, accurate impulse responses from your own cabinets, rooms, and signal chains. Designed for engineers, guitarists, producers, and sound designers, it delivers a streamlined workflow with precise alignment, intelligent safety checks, and fast export. With real‑time environmental analysis, automatic trimming, and a robust deconvolution engine, Impulse helps you capture reliable IRs anywhere — from studios to rehearsal spaces. Whether you’re building a personal IR library or refining your live rig, Impulse gives you the clarity and control you need.
Screenshots
Verdict
The clearest difference is price: Musical Demon's Impulse at Free against JULY's $19.99. Musical Demon's Impulse also leads on update cadence (fortnightly vs every 6 weeks). JULY's advantage is iOS requirement (15.0 vs 17). On ads, in-app purchases 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
Musical Demon's Impulse is free to download; JULY costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.
JULY ships an update every 6 weeks, Musical Demon's Impulse fortnightly. The most recent releases landed on October 25, 2026 and October 19, 2026 respectively.
| Parameter | JULY | Musical Demon's Impulse |
|---|---|---|
| Price | $19.99 | Free — better |
| Rating | 4.7 (15 ratings) — better | — |
| Positive reviews | 72.7% of reviews | — |
| Number of ratings | 15 — better | — |
| Update frequency | Every 6 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17 |
| Further details — not scored | ||
| Size | 28 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | AudioThing Ltd. | Steve Chavez |
In-app purchases
JULY
No in-app purchases
Musical Demon's Impulse
No in-app purchases
Questions
Is JULY free?
Is Musical Demon's Impulse free?
Do JULY or Musical Demon's Impulse have ads?
Which is updated more often, JULY or Musical Demon's Impulse?
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