# iTechSIM vs SefereSIM

The clearest difference is iOS requirement: iTechSIM at 15.0 against SefereSIM's 18.0. 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.

iTechSIM ships an update every 5 days, SefereSIM every 3 days. The most recent releases landed on October 12, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | iTechSIM | SefereSIM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 3 days** |
| Size | 43 MB | 40 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [iTechSIM](https://appshunter.io/developer/6800239361) | [Vigilainte Inc](https://appshunter.io/developer/1843531034) |

## What reviewers say

### iTechSIM

[App page](https://appshunter.io/ios/app/itechsim/id6800239359)

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

**In-app purchases:** none


### SefereSIM

[App page](https://appshunter.io/ios/app/seferesim-travel-esim-data/id6801062903)

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

**In-app purchases:** none


## Frequently asked questions

### Is iTechSIM free?

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

### Is SefereSIM free?

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

### Do iTechSIM or SefereSIM have ads?

Neither iTechSIM nor SefereSIM shows ads.

### Which is updated more often, iTechSIM or SefereSIM?

iTechSIM ships an update every 5 days, and SefereSIM every 3 days. Most recently, iTechSIM was updated on October 12, 2026 and SefereSIM on October 15, 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.*