# Tan Jia Precision Technology vs MySiam

The clearest difference is update cadence: MySiam at every 3 weeks against Tan Jia Precision Technology's every 2 months. Tan Jia Precision Technology's advantage is iOS requirement (9.0 vs 18.0). 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.

Tan Jia Precision Technology ships an update every 2 months, MySiam every 3 weeks. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Tan Jia Precision Technology | MySiam |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 42 MB | 1 MB |
| Requires iOS | **9.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [GT MARKET CONSULTING CO., LTD.](https://appshunter.io/developer/927846054) | [Integria](https://appshunter.io/developer/1808039640) |

## What reviewers say

### Tan Jia Precision Technology

[App page](https://appshunter.io/ios/app/tan-jia-precision-technology/id1074219192)

**Features:** macOS Compatibility

**In-app purchases:** none


### MySiam

[App page](https://appshunter.io/ios/app/mysiam/id6744536873)

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

**In-app purchases:** none


## Frequently asked questions

### Is Tan Jia Precision Technology free?

Tan Jia Precision Technology is free to download, with no in-app purchases.

### Is MySiam free?

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

### Do Tan Jia Precision Technology or MySiam have ads?

Neither Tan Jia Precision Technology nor MySiam shows ads.

### Which is updated more often, Tan Jia Precision Technology or MySiam?

Tan Jia Precision Technology ships an update every 2 months, and MySiam every 3 weeks. Most recently, Tan Jia Precision Technology was updated on October 26, 2026 and MySiam on October 25, 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.*