# サウンドハウス vs OPT!M

The clearest difference is review sentiment: OPT!M at 50% against サウンドハウス's 16%. OPT!M also leads on update cadence (monthly vs every 3 months). サウンドハウス's advantage is iOS requirement (11.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

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

サウンドハウス ships an update every 3 months, OPT!M monthly. The most recent releases landed on October 12, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | サウンドハウス | OPT!M |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 16.0% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | — | Free |
| Size | 27 MB | 74 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [SOUND HOUSE INC.](https://appshunter.io/developer/1328240910) | [saiteki inc.](https://appshunter.io/developer/1435064547) |

## What reviewers say

### サウンドハウス

[App page](https://appshunter.io/ios/app/id1328240911)

**Features:** Vision Pro support

**In-app purchases:** none


### OPT!M

[App page](https://appshunter.io/ios/app/optm/id6446169716)

Create an order list for desired products within a specific area. Generate a QR code from your list to easily place orders at the sales counter. Streamline your shopping experience by pre-selecting items and completing purchases with a simple scan.

**Highlights:** Create product order lists, Generate QR codes for orders, Easy order placement at sales counters, Select desired products, Streamlined purchase process

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

**In-app purchases:** none


## Frequently asked questions

### Is サウンドハウス free?

サウンドハウス is free to download, with no in-app purchases.

### Is OPT!M free?

OPT!M is free to download, with no in-app purchases.

### Do サウンドハウス or OPT!M have ads?

Neither サウンドハウス nor OPT!M shows ads.

### Which is updated more often, サウンドハウス or OPT!M?

サウンドハウス ships an update every 3 months, and OPT!M monthly. Most recently, サウンドハウス was updated on October 12, 2026 and OPT!M on October 2, 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.*