# SEMICON Japan vs BDTS

The clearest difference is update cadence: BDTS at every 11 days against SEMICON Japan's every 6 months. SEMICON Japan's advantage is iOS requirement (13.0 vs 15.6). 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.

SEMICON Japan ships an update every 6 months, BDTS every 11 days. The most recent releases landed on October 7, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | SEMICON Japan | BDTS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 11 days** |
| Size | 73 MB | 83 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [SEMI Japan](https://appshunter.io/developer/1770007003) | [Ashank Harlalka](https://appshunter.io/developer/1773075324) |

## What reviewers say

### SEMICON Japan

[App page](https://appshunter.io/ios/app/semicon-japan/id6711340979)

**Features:** macOS Compatibility

**In-app purchases:** none


### BDTS

[App page](https://appshunter.io/ios/app/bdts/id6798966689)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SEMICON Japan free?

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

### Is BDTS free?

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

### Do SEMICON Japan or BDTS have ads?

Neither SEMICON Japan nor BDTS shows ads.

### Which is updated more often, SEMICON Japan or BDTS?

SEMICON Japan ships an update every 6 months, and BDTS every 11 days. Most recently, SEMICON Japan was updated on October 7, 2026 and BDTS 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.*