# QuickSIM vs iTechSIM

The clearest difference is update cadence: QuickSIM at every 4 days against iTechSIM's every 3 weeks. iTechSIM's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

QuickSIM ships an update every 4 days, iTechSIM every 3 weeks. The most recent releases landed on September 29, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | QuickSIM | iTechSIM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Size | 14 MB | 43 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [David Bolis](https://appshunter.io/developer/1541787894) | [iTechSIM](https://appshunter.io/developer/6800239361) |

## What reviewers say

### QuickSIM

[App page](https://appshunter.io/ios/app/quicksim-travel-esim-and-data/id6795040684)

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

**In-app purchases:** none


### iTechSIM

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

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

**In-app purchases:** none


## Frequently asked questions

### Is QuickSIM free?

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

### Is iTechSIM free?

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

### Do QuickSIM or iTechSIM have ads?

Neither QuickSIM nor iTechSIM shows ads.

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

QuickSIM ships an update every 4 days, and iTechSIM every 3 weeks. Most recently, QuickSIM was updated on September 29, 2026 and iTechSIM on September 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*