Tone Gen Pro vs Granula Synth
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tone Gen Pro
Create various audio signals, including single tones, sweeps, and merged sounds, with extensive parameter control. Ideal for students, musicians, educators, and audio professionals exploring sound.
- Generate single type signals (sine, square, noise)
- Create sweep (chirp) signals (linear/exponential)
- Generate click signals with adjustable duty cycle
- Merge multiple tones and sweeps
- Frequencies up to 20 kHz
- Extensive parameter control
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Generate audio signal of different shapes with many parameters and options. You can generate frequencies up to 20 kHz of audio signal. If you are curious student about sound after a physics class, music instruments hobbyist/professional, a teacher, or a professional in audio equipment, this app is for you ! You can generate: - Single type signal (sinusoidal, square, noise, etc) - Sweep (chirp) signal (linear or exponential) - Click: ON-OFF sine wave with any duty cycle and ON frequency - Merged sound of any number of tones or sweeps
Granula Synth
Explore new soundscapes by manipulating granular audio. This app offers a library of presets, custom sound import, and extensive parameter adjustments for unique music creation. Save your settings and share your sonic experiments.
- Granular sound manipulation
- Preset library
- Custom sound import
- Parameter adjustment
- Save user settings
- Share audio recordings
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Push the boundaries of sound design. Granula Synth turns granular synthesis into a playground — grab tiny grains of audio, scatter them across the waveform, and shape them into pads, textures, and soundscapes no other synth can make. What's inside: - Curated preset library, crafted by sound designers - Deep grain controls — length, position, direction, pitch, and more - Powerful modulation matrix with dual LFOs and chaos generators - Built-in envelope, EQ, and FX chain - Import your own audio or record directly in the app - Save, organize, and share your presets - Export your ideas straight to your DAW Whether you're scoring film, building ambient textures, or just exploring new sonic territory, Granula Synth gives you granular control over every grain of sound. Privacy Policy: https://sites.google.com/view/castles-trip-privacy-policy Terms of Use: https://sites.google.com/view/granula-tos
Screenshots
Verdict
The clearest difference is review sentiment: Tone Gen Pro at 75% against Granula Synth's 20%. Tone Gen Pro also leads on rating (4.5 vs 1.8) and update cadence (every 3 months vs every 25 months). On price, ads, in-app purchases and monetization model 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. Tone Gen Pro sells 1 one-off in-app purchase and Granula Synth sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
Tone Gen Pro holds the better App Store score, 4.5 against 1.8. That said, the two scores are not equally well evidenced: Tone Gen Pro has 48 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 75% of Tone Gen Pro's written reviews are positive against 20% of Granula Synth's.
Tone Gen Pro ships an update every 3 months, Granula Synth every 25 months. The most recent releases landed on October 24, 2026 and October 18, 2026 respectively.
| Parameter | Tone Gen Pro | Granula Synth |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (48 ratings) — better | 1.8 (4 ratings) |
| Positive reviews | 75.0% of reviews — better | 20.0% of reviews |
| Number of ratings | 48 — better | 4 |
| Update frequency | Every 3 months — better | Every 25 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Freemium |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 44 MB | 75 MB |
| Age rating | 12+ | 4+ |
| Developer | Ibrahim Al-Sammarraie | Stanislav Duplinskiy |
Customer experience
Tone Gen Pro
Granula Synth
In-app purchases
Tone Gen Pro
- Tone Gen Pro Full$1.99
Granula Synth
- Access to app features3 Days trial$2.991 Month
- Access to app features3 Days trial$7.493 Months
- Access to app features3 Days trial$8.996 Months
Questions
Is Tone Gen Pro free?
Is Granula Synth free?
Which has better reviews, Tone Gen Pro or Granula Synth?
Do Tone Gen Pro or Granula Synth have ads?
Which is updated more often, Tone Gen Pro or Granula Synth?
Other comparisons
