# 星島A1 vs SoSIM

The clearest difference is rating: 星島A1 at 2.7 against SoSIM's 1.0. 星島A1 also leads on iOS requirement (12.0 vs 15.6). On price, ratings volume, update cadence and ads there is nothing between them.

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

星島A1 holds the better App Store score, 2.7 against 1.0. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 8, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | 星島A1 | SoSIM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (3 ratings)](https://appshunter.io/ios/app/a1/id1436803575/reviews)** | [1.0 (2 ratings)](https://appshunter.io/ios/app/sosim/id1558388399/reviews) |
| Number of ratings | **3** | 2 |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free | Free |
| Size | 31 MB | 47 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CCUE Chinese Media Inc.](https://appshunter.io/developer/365197267) | [Hutchison Telephone Company Limited](https://appshunter.io/developer/292047326) |

## What reviewers say

### 星島A1

[App page](https://appshunter.io/ios/app/a1/id1436803575)

This app broadcasts over 70 hours of Mandarin and Cantonese programming weekly, featuring news, current events, interviews, music, and entertainment. It's a popular radio station in Toronto with a strong lineup of hosts.

**Highlights:** Weekly Mandarin and Cantonese broadcasts, News and current events coverage, Host interviews, Music and entertainment programs, Popular Toronto radio station

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is 星島A1 free?

星島A1 is free to download, with no in-app purchases.

### Is SoSIM free?

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

### Which has better reviews, 星島A1 or SoSIM?

星島A1 is rated higher. 星島A1 averages 2.7 out of 5 from 3 ratings, while SoSIM averages 1.0 from 2 ratings.

### Do 星島A1 or SoSIM have ads?

Neither 星島A1 nor SoSIM shows ads.

### Which is updated more often, 星島A1 or SoSIM?

星島A1 ships an update every 3 months, and SoSIM every 3 months. Most recently, 星島A1 was updated on October 8, 2026 and SoSIM on October 1, 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.*