Streemur vs FrequencyCat
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Streemur
Explore a vast collection of internet audio streams for creative sound design and musical experimentation. This app offers a palette of random streams and allows users to add their own presets, functioning as an InterApp Audio sound generator.
- 50 preset random internet audio streams
- Add up to 5 user presets
- InterApp Audio sound generator
- Compatible with GarageBand, AUM, Cubasis, etc.
- For experimental musicians and sound designers
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A streaming sound palette for experimental musicians, sound designers and artists. Includes 50 preset random Internet audio streams. Add up to 5 of your own user presets. Use Streemur as an InterApp Audio sound generator in supported hosts such as GarageBand, AUM, Audioshare, Cubasis, Auria Pro, Beatmaker3 and ApeMatrix.
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.
Screenshots
Verdict
The clearest difference is review sentiment: FrequencyCat at 100% against Streemur's 42%. FrequencyCat also leads on price (Free vs $2.99) and rating (5.0 vs 4.4). Streemur's advantage is update cadence (every 3 months vs every 40 months) and ratings volume (16 vs 1). On 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
FrequencyCat is free to download; Streemur costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
FrequencyCat holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Streemur has 16 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 42% of Streemur's written reviews are positive against 100% of FrequencyCat's.
Streemur ships an update every 3 months, FrequencyCat every 40 months. The most recent releases landed on September 8, 2026 and September 4, 2026 respectively.
| Parameter | Streemur | FrequencyCat |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 4.4 (16 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 41.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 16 — better | 1 |
| Update frequency | Every 3 months — better | Every 40 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 9.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 1 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Casey I.T. LLC | Xuesong Zhang |
Customer experience
Streemur
FrequencyCat
In-app purchases
Streemur
No in-app purchases
FrequencyCat
No in-app purchases
