# Surround Speaker Check vs Stash

The clearest difference is update cadence: Stash at every 5 days against Surround Speaker Check's every 5 months. Surround Speaker Check's advantage is iOS requirement (16.6 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Surround Speaker Check sells 4 in-app purchases, starting at $19.99 per year and Stash sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Surround Speaker Check ships an update every 5 months, Stash every 5 days. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Surround Speaker Check | Stash |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (41 ratings)](https://appshunter.io/ios/app/surround-speaker-check/id1052439918/reviews)** | — |
| Number of ratings | **41** | — |
| Positive reviews | 54.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 180 MB | 8 MB |
| Requires iOS | **16.6** | 26.0 |
| Devices | iPhone, iPad, Apple TV | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Jeff Perrin Music LLC](https://appshunter.io/developer/888835926) | [Tapnitz LLC](https://appshunter.io/developer/1891556262) |

## What reviewers say

### Surround Speaker Check

[App page](https://appshunter.io/ios/app/surround-speaker-check/id1052439918)

Test and optimize your Dolby Atmos home theater system. This app provides over two hours of spatial audio content to verify surround sound decoding, speaker configuration, and enjoy immersive audio experiences on compatible soundbars and headphones.

**Highlights:** Verify Dolby Atmos decoding, Test speaker configuration, Evaluate height channels, Subwoofer test suite, Manual speaker troubleshooting, Spatial audio demos, Dolby Atmos test tracks

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Access | $19.99 | per year |
| Unlimited Access | $24.99 | per year |
| Subwoofer Check | $0.99 | one-time |
| Center Speaker Check | $0.99 | one-time |


### Stash

[App page](https://appshunter.io/ios/app/stash-save-and-sync-for-later/id6774793098)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Stash | $2.99 | one-time |


## Frequently asked questions

### Is Surround Speaker Check free?

Surround Speaker Check is free to download, with in-app purchases available.

### Is Stash free?

Stash is free to download, with in-app purchases available.

### Do Surround Speaker Check or Stash have ads?

Neither Surround Speaker Check nor Stash shows ads.

### Which is updated more often, Surround Speaker Check or Stash?

Surround Speaker Check ships an update every 5 months, and Stash every 5 days. Most recently, Surround Speaker Check was updated on November 2, 2026 and Stash on October 31, 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.*