Comparison

Duality Shift vs FrequencyCat

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Duality Shift

A mini rhythm game where players shift between two contrasting states to match the music's cadence. Master precision and timing through evolving soundscapes and responsive visuals. Experience harmony within duality.

Highlights
  • Dual state shifting mechanics
  • Rhythm-based gameplay
  • Evolving soundscapes
  • Responsive visuals
  • Precision timing challenges
  • Interactive musical experience
Features
Read full description

Caution: This game may contain strobe effects and flashing lights that could potentially trigger seizures or discomfort for individuals with photosensitive epilepsy or other sensory sensitivities. Player discretion is advised. "Duality Shift: Cadence Flux" is a mini rhythm game that takes players on a journey through the realms of duality and rhythm. In this immersive experience, you'll find yourself at the crossroads of two contrasting states, each represented by its own distinctive energy. Your objective is simple yet challenging: master the art of shifting between these dual states to match the ever-changing cadence of the music. As you progress, you'll encounter intricate patterns and evolving soundscapes that demand your utmost precision and timing. The game's mechanics are designed to test your rhythmic prowess. In one state, you're aligned with the light, flowing effortlessly with the luminous beats that come your way. But with a swift tap, you can shift to the other state, embracing the shadowy, pulsating rhythms that demand a different approach. "Duality Shift: Cadence Flux" offers a visual and auditory experience, with eerie, intriguing visuals that respond to your every move, and a soundtrack that evolves as you progress. It's a game that challenges not only your reflexes but also your ability to find harmony within duality.

About

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.

Highlights
  • Morph images into sound art
  • Create spectrogram oddities
  • Share sound art creations
  • Unique audio-visual experience
Features
Read full description

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

Duality Shift1 screens
FrequencyCat3 screens

Verdict

The call

The clearest difference is ads: FrequencyCat at none against Duality Shift's shown. FrequencyCat also leads on monetization model (free vs ad-supported). Duality Shift's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 16.0). On price, rating, ratings volume and update cadence 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Duality Shift against 5.0 for FrequencyCat. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

Duality Shift ships an update every 25 months, FrequencyCat every 40 months. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

Scorecard4 real differences · 6 level
Duality Shift versus FrequencyCat: the parameters behind the verdict, then further details
ParameterDuality ShiftFrequencyCat
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Positive reviews—100.0% of reviews
Number of ratings11
Update frequencyEvery 25 months — betterEvery 40 months
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS11.0 — better16.0
Further details — not scored
Size78 MB3 MB
Age rating4+4+
DeveloperLuis FragaXuesong Zhang

In-app purchases

None

Duality Shift

No in-app purchases

None

FrequencyCat

No in-app purchases

Questions

Is Duality Shift free?
Duality Shift is free to download, with no in-app purchases.
Is FrequencyCat free?
FrequencyCat is free to download, with no in-app purchases.
Which has better reviews, Duality Shift or FrequencyCat?
Duality Shift and FrequencyCat are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do Duality Shift or FrequencyCat have ads?
Duality Shift shows ads; FrequencyCat does not.
Which is updated more often, Duality Shift or FrequencyCat?
Duality Shift ships an update every 25 months, and FrequencyCat every 40 months. Most recently, Duality Shift was updated on October 29, 2026 and FrequencyCat on October 30, 2026.

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