# StereoCheck vs WSSFN

The clearest difference is price: WSSFN at Free against StereoCheck's $9.99. WSSFN also leads on update cadence (every 3 days vs every 9 months) and iOS requirement (11.0 vs 15.6). On ads, in-app purchases and device support there is nothing between them.

WSSFN is free to download; StereoCheck costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

StereoCheck ships an update every 9 months, WSSFN every 3 days. The most recent releases landed on October 29, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | StereoCheck | WSSFN |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 days** |
| Size | 6 MB | 30 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Mevis Informática Médica Ltda.](https://appshunter.io/developer/556863725) | [Adnan Ashraf](https://appshunter.io/developer/1212120305) |

## What reviewers say

### StereoCheck

[App page](https://appshunter.io/ios/app/stereocheck/id566866809)

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

**In-app purchases:** none


### WSSFN

[App page](https://appshunter.io/ios/app/wssfn/id6470452475)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is StereoCheck free?

StereoCheck costs $9.99, with no in-app purchases.

### Is WSSFN free?

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

### Do StereoCheck or WSSFN have ads?

Neither StereoCheck nor WSSFN shows ads.

### Which is updated more often, StereoCheck or WSSFN?

StereoCheck ships an update every 9 months, and WSSFN every 3 days. Most recently, StereoCheck was updated on October 29, 2026 and WSSFN on October 6, 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.*