# Birdie Mobile vs SoSIM

The clearest difference is rating: Birdie Mobile at 4.4 against SoSIM's 1.0. Birdie Mobile also leads on ratings volume (77 vs 3) and iOS requirement (12.0 vs 15.6). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Birdie Mobile holds the better App Store score, 4.4 against 1.0. That said, the two scores are not equally well evidenced: Birdie Mobile has 77 ratings behind it against 3, so its average is the more settled of the two.

Birdie Mobile ships an update every 6 weeks, SoSIM every 3 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Birdie Mobile | SoSIM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (77 ratings)](https://appshunter.io/ios/app/birdie-mobile/id1276537753/reviews)** | [1.0 (3 ratings)](https://appshunter.io/ios/app/sosim/id1558388399/reviews) |
| Number of ratings | **77** | 3 |
| Positive reviews | 37.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | Free | Free |
| Size | 81 MB | 47 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Birdie Mobile Limited](https://appshunter.io/developer/1264360612) | [Hutchison Telephone Company Limited](https://appshunter.io/developer/292047326) |

## What reviewers say

### Birdie Mobile

[App page](https://appshunter.io/ios/app/birdie-mobile/id1276537753)

Manage your mobile plan and travel SIM with ease. Enjoy contract-free local data, seamless international roaming in over 60 countries, and convenient in-app top-ups and account management.

**Highlights:** Contract-free local mobile plans, Travel SIM for 60+ countries, Lifetime rechargeable SIM, Pay-per-day data for travel, In-app usage monitoring, Easy SIM pick-up or delivery

**Features:** 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 Birdie Mobile free?

Birdie Mobile 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, Birdie Mobile or SoSIM?

Birdie Mobile is rated higher. Birdie Mobile averages 4.4 out of 5 from 77 ratings, while SoSIM averages 1.0 from 3 ratings.

### Do Birdie Mobile or SoSIM have ads?

Neither Birdie Mobile nor SoSIM shows ads.

### Which is updated more often, Birdie Mobile or SoSIM?

Birdie Mobile ships an update every 6 weeks, and SoSIM every 3 months. Most recently, Birdie Mobile was updated on November 3, 2026 and SoSIM on November 3, 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.*