FrequencyCat vs midigarden
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FrequencyCat
Transform your photos into unique sound art using advanced image-to-sound technology. Explore, enjoy, and share your creative audio-visual pieces. Embrace your inner artist and discover the unexpected.
- Morph images into sound art
- Create spectrogram oddities
- Share sound art creations
- Unique audio-visual experience
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Hide an image inside sound. FrequencyCat is a playful tool for exploring the connection between images, sound, and spectrograms. Choose an image, and FrequencyCat transforms it into a unique audio signal. Play the sound and view its spectrogram, and you’ll see the original image emerge again from the frequencies. With FrequencyCat, you can: - Turn images into sound - View audio spectrograms in real time - Play sounds and reveal the images hidden inside them - Explore how different images create different sounds - Discover the relationship between sound, frequency, and Fourier transforms in an intuitive way There’s no magic behind it. Just frequencies, phases, an inverse Fourier transform, and a little curiosity about sound. Whether you’re interested in acoustics, music, signal processing, or simply wondering what an image might sound like, FrequencyCat gives you a new way to explore. Pick an image. Hear what it sounds like.
midigarden
Transform your device into a touch-based synthesizer. Play melodies and chords on a responsive grid, load custom sound patches, and control parameters live. Ideal for live performance, sketching ideas, and sound design.
- Touch grid with multiple scales
- Retrospective looper
- Custom Pure Data patch loading
- Live parameter control
- Built-in synthesizers
- Optional camera background
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midigarden is a touch-based synthesizer that turns your iPhone or iPad into a musical instrument. Play melodies on an 5x8 grid mapped to musical scales. Each pad triggers notes with 8-voice polyphony, letting you play chords and melodies with your fingers. FEATURES • Touch Grid - Play notes on a responsive grid. Choose from multiple scales including major, minor, pentatonic, and chromatic. • Retrospective Looper - Captures what you just played, even if you weren't recording. Never lose a good take. • Custom Patches - Load your own Pure Data patches via the Files app. The app automatically wraps them with voice allocation and mixing. • Live Parameters - Every knob and slider in your patch becomes a touchable control. Drag to adjust in real-time. • Built-in Synthesizers - Ships with patches ready to play, physical models, fm and drum synths. • Camera Background - Optional live camera feed behind the grid for screen-recorded performances. PURE DATA POWERED Under the hood, midigarden runs Pure Data patches - the same open-source audio engine used by professional musicians and sound designers worldwide. Create patches on your computer and load them into the app. PERFECT FOR • Live performance and jamming • Sketching musical ideas • Learning synthesis • Use iOS screen capture with background camera to make performance videos that capture the mood and environment • Sound design experiments No music theory required. Just touch and play.
Screenshots
Verdict
The clearest difference is ratings volume: midigarden at 3 against FrequencyCat's 1. On price, rating, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for FrequencyCat against 5.0 for midigarden. Both are backed by a comparable volume of ratings — 1 and 3 respectively.
| Parameter | FrequencyCat | midigarden |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (3 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 | 3 — better |
| Update frequency | Every 40 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 3 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Xuesong Zhang | William Sharkey |
In-app purchases
FrequencyCat
No in-app purchases
midigarden
No in-app purchases









