FM Synthesizer vs Note by Note
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FM Synthesizer
Explore sound synthesis with adjustable parameters to create unique audio. Access new presets monthly, utilize multi-genre synths, and manage effect groups. Record and share your musical creations with others.
- Adjustable synthesis parameters
- Monthly new presets
- Multi-genre synths
- Effect group settings
- Session recording
- Share recordings
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Complete immersion in the world of frequency sound synthesis! Adjust the parameters and get a new sound. What does the app offer? - New presets from TOP sound producers every month; - Multi-genre synths; - Settings for groups of effects; - Access to the recording of your creative sessions; - Ability to share your recordings with friends; privacy policy: https://sites.google.com/view/castles-trip-privacy-policy terms of use: https://sites.google.com/view/fm-synthesizer
Note by Note
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Learn songs by ear by listening to real recordings. For each song we have slow simple recordings. We have a recording not only for each song but another recording for each section and another for each individual lick.
Screenshots
Verdict
The clearest difference is in-app purchases: Note by Note at none against FM Synthesizer's 3. FM Synthesizer's advantage is iOS requirement (12.0 vs 17.6). On price, update cadence, 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
Both are free to download. FM Synthesizer sells 3 in-app purchases, starting at $4.99 per month. Note by Note asks for nothing beyond the download.
FM Synthesizer ships an update weekly, Note by Note every 2 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.
| Parameter | FM Synthesizer | Note by Note |
|---|---|---|
| Price | Free | Free |
| Rating | 1.7 (6 ratings) — better | — |
| Positive reviews | 25.0% of reviews | — |
| Number of ratings | 6 — better | — |
| Update frequency | Weekly — better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 78 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Stanislav Duplinskiy | CGDevworks LLC |
In-app purchases
FM Synthesizer
- Pro access and monthly updates3 Days trial$4.991 Month
- Pro access and monthly updates3 Days trial$9.991 Month
- Effects & Recording$7.99
Note by Note
No in-app purchases
