# SoSIM vs 台牌小助手

The clearest difference is update cadence: 台牌小助手 at every 6 weeks against SoSIM's every 3 months. SoSIM's advantage is device support. On price, in-app purchases and iOS requirement there is nothing between them.

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

SoSIM ships an update every 3 months, 台牌小助手 every 6 weeks. The most recent releases landed on September 13, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | SoSIM | 台牌小助手 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (2 ratings)](https://appshunter.io/ios/app/sosim/id1558388399/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 47 MB | 14 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Hutchison Telephone Company Limited](https://appshunter.io/developer/292047326) | [Alex Tam](https://appshunter.io/developer/1711930941) |

## What reviewers say

### SoSIM

[App page](https://appshunter.io/ios/app/sosim/id1558388399)

Manage your Hong Kong prepaid SIM card services, including data usage, top-ups, and plan changes. This app allows you to switch between local and travel data, apply for number portability, and access support.

**Highlights:** Enquire data usage and SIM expiry, Purchase Hong Kong/Travel data packages, Instant top-up functionality, Mobile Number Portability (MNP) application, eSIM and new number exchange, Link to MoneyBack rewards, Manage Real Name Registration

**Features:** macOS Compatibility

**In-app purchases:** none


### 台牌小助手

[App page](https://appshunter.io/ios/app/id6469416883)

**In-app purchases:** none


## Frequently asked questions

### Is SoSIM free?

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

### Is 台牌小助手 free?

台牌小助手 is free to download, with no in-app purchases.

### Which is updated more often, SoSIM or 台牌小助手?

SoSIM ships an update every 3 months, and 台牌小助手 every 6 weeks. Most recently, SoSIM was updated on September 13, 2026 and 台牌小助手 on September 9, 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.*