# COSMOSIM vs WingSync

The clearest difference is in-app purchases: COSMOSIM at none against WingSync's 2. COSMOSIM also leads on iOS requirement (13.4 vs 15.0). WingSync's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. WingSync sells 2 in-app purchases, starting at $1.99 per month. COSMOSIM asks for nothing beyond the download.

COSMOSIM ships an update fortnightly, WingSync monthly. The most recent releases landed on October 3, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | COSMOSIM | WingSync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (28 ratings)](https://appshunter.io/ios/app/cosmosim/id6702018903/reviews)** | — |
| Number of ratings | **28** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 50 MB | 91 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [City Telecom, LLC](https://appshunter.io/developer/1769590187) | [WingSync Ltd](https://appshunter.io/developer/1896278156) |

## What reviewers say

### COSMOSIM

[App page](https://appshunter.io/ios/app/cosmosim/id6702018903)

Experience seamless global internet connectivity with this leading eSIM technology provider. Access data plans across continents for your travels without needing a physical SIM card.

**Highlights:** Global eSIM technology, Seamless internet connectivity, Data plans across continents, No physical SIM required, Supports 5G & 4G data

**Features:** macOS Compatibility

**In-app purchases:** none


### WingSync

[App page](https://appshunter.io/ios/app/wingsync/id6766338480)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WingSync Premium Monthly | $1.99 | per month |
| WingSync Premium Yearly | $19.99 | per year |


## Frequently asked questions

### Is COSMOSIM free?

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

### Is WingSync free?

WingSync is free to download, with in-app purchases available.

### Do COSMOSIM or WingSync have ads?

COSMOSIM shows ads; WingSync does not.

### Which is updated more often, COSMOSIM or WingSync?

COSMOSIM ships an update fortnightly, and WingSync monthly. Most recently, COSMOSIM was updated on October 3, 2026 and WingSync on September 29, 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.*