MelodyHarmonizer vs NebulizerAU
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MelodyHarmonizer
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Are you interested in tonal harmony? Do you want to test your melody with harmony? MelodyHarmonizer is built for musicians, composers, and improvisers looking for new harmonic ideas. With MelodyHarmonizer, you can generate a wide variety of unique harmonizations for any melodic line you provide. Whether your input melody is tonal, chromatic, free-tonal, or even twelve-tone (dodecaphonic), the app explores what kinds of harmonic progressions can be applied to it. A Tool for Harmonic Exploration: MelodyHarmonizer is intentionally not based on standard probabilities. This means it does not necessarily produce a fully polished or the most commonly heard harmonization. Instead of forced, conventional coherence, it opens up unexpected harmonic paths and challenges your musical routine. Key Features: • Control the strength of suggested modulations. • Exclude unwanted chords from the harmonization rules. • Adjust the playback tempo of the harmonized melody. • Fine-tune relative note durations without affecting the underlying harmony. Discover tonal harmony in new contexts and expand your musical creativity with MelodyHarmonizer!
NebulizerAU
This audio effect plugin emulates the sound of an old-school, warbly tape delay. It functions as an AUv3 effect, allowing it to be used on multiple tracks within various audio applications. It delivers a distinct lo-fi sound.
- AUv3 effect plugin
- Tape delay emulation
- Lo-fi sound character
- Stackable on multiple tracks
- Compatible with GarageBand, AUM
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Old school warbly malfunctioning tape delay Nebulizer comes echoing back from the IAA doldrums. But fear not. Even though it's now an AUv3 effect plugin, ready to stack up on multiple tracks in GarageBand, AUM or your favourite audio application, it's still the wayward lo-fi monstrosity you used to know. And if you didn't know it, isn't it about time you did? Nebulizer is totally free. No ads, no in-app purchases, no subscriptions, no surveillance, no nag screens. If you want premium features, this is not the app for you.
Screenshots
Verdict
The clearest difference is price: NebulizerAU at Free against MelodyHarmonizer's $1.99. NebulizerAU also leads on update cadence (daily vs every 4 days). 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
NebulizerAU is free to download; MelodyHarmonizer costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
MelodyHarmonizer ships an update every 4 days, NebulizerAU daily. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.
| Parameter | MelodyHarmonizer | NebulizerAU |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | — | 5.0 (4 ratings) — better |
| Number of ratings | — | 4 — better |
| Update frequency | Every 4 days | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 101 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Atte Tenkanen | Matthew Caldwell |
In-app purchases
MelodyHarmonizer
No in-app purchases
NebulizerAU
No in-app purchases
