# SDC BSO vs Clock Gallery

The clearest difference is in-app purchases: SDC BSO at none against Clock Gallery's 2. SDC BSO also leads on iOS requirement (11.0 vs 17.0). Clock Gallery's advantage is update cadence (daily vs every 6 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Clock Gallery sells 2 one-off in-app purchases. SDC BSO asks for nothing beyond the download.

SDC BSO ships an update every 6 weeks, Clock Gallery daily. Both last shipped on October 29, 2026.

## The numbers

| Metric | SDC BSO | Clock Gallery |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Daily** |
| Monetization | Free | — |
| Size | 49 MB | 192 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple TV** |
| Age rating | 4+ | 12+ |
| Developer | [Tzu An Wen](https://appshunter.io/developer/1196209054) | [Tatsuya Kawaguchi](https://appshunter.io/developer/6816989706) |

## What reviewers say

### SDC BSO

[App page](https://appshunter.io/ios/app/sdc-bso/id1498155196)

This utility app provides a dedicated pitch clock function for fieldforce operations. It was updated to include this specific feature, enhancing its functionality for users requiring precise timing.

**Highlights:** Pitch clock function, Fieldforce operations support, Updated functionality, Precise timing

**Features:** macOS Compatibility

**In-app purchases:** none


### Clock Gallery

[App page](https://appshunter.io/ios/app/clock-gallery-timeless-clocks/id6816989704)

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| For Facilities & Offices | $3.99 | one-time |
| All Clocks | $4.99 | one-time |


## Frequently asked questions

### Is SDC BSO free?

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

### Is Clock Gallery free?

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

### Do SDC BSO or Clock Gallery have ads?

Neither SDC BSO nor Clock Gallery shows ads.

### Which is updated more often, SDC BSO or Clock Gallery?

SDC BSO ships an update every 6 weeks, and Clock Gallery daily. Most recently, SDC BSO was updated on October 29, 2026 and Clock Gallery on October 29, 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.*