# SinOscillators vs Whence?

The clearest difference is price: Whence? at Free against SinOscillators's $3.99. Whence? also leads on update cadence (every 6 weeks vs every 3 months) and device support (4 vs 2). On ads, in-app purchases and iOS requirement there is nothing between them.

Whence? is free to download; SinOscillators costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SinOscillators ships an update every 3 months, Whence? every 6 weeks. The most recent releases landed on October 9, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | SinOscillators | Whence? |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/whence/id6761635712/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | — | Free |
| Size | 3 MB | 32 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Masayuki Akamatsu](https://appshunter.io/developer/284722836) | [Saar Haber](https://appshunter.io/developer/1779155468) |

## What reviewers say

### SinOscillators

[App page](https://appshunter.io/ios/app/sinoscillators/id6752479823)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Whence?

[App page](https://appshunter.io/ios/app/whence/id6761635712)

Identify songs from TV shows and movies instantly. Discover where a track was featured on screen, complete with show posters and context. Save your favorite discoveries and revisit them anytime.

**Highlights:** Identify songs from screen in seconds, Discover on-screen placements, View show and movie context, Save favorite songs, History of identified tracks

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SinOscillators free?

SinOscillators costs $3.99, with no in-app purchases.

### Is Whence? free?

Whence? is free to download, with no in-app purchases.

### Do SinOscillators or Whence? have ads?

Neither SinOscillators nor Whence? shows ads.

### Which is updated more often, SinOscillators or Whence??

SinOscillators ships an update every 3 months, and Whence? every 6 weeks. Most recently, SinOscillators was updated on October 9, 2026 and Whence? on October 14, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*