# AirOTP vs Syscall

The clearest difference is update cadence: AirOTP at every 8 days against Syscall's every 2 months. AirOTP also leads on iOS requirement (9.0 vs 15.1). 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.

AirOTP ships an update every 8 days, Syscall every 2 months. The most recent releases landed on October 2, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | AirOTP | Syscall |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 2 months |
| Monetization | Free | — |
| Size | 10 MB | 27 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AirCUVE Inc.](https://appshunter.io/developer/898126646) | [nttworks](https://appshunter.io/developer/1794251891) |

## What reviewers say

### AirOTP

[App page](https://appshunter.io/ios/app/airotp/id1006417824)

This utility app provides one-time password (OTP) authentication for enhanced security. It supports easy account registration via QR code scanning and integrates with V-FRONT for web server, VPN, and network equipment logins.

**Highlights:** OTP authentication, QR-code account registration, V-FRONT integration, Web server login, VPN login, Network equipment login

**Features:** macOS Compatibility

**In-app purchases:** none


### Syscall

[App page](https://appshunter.io/ios/app/syscall/id6751177034)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AirOTP free?

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

### Is Syscall free?

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

### Do AirOTP or Syscall have ads?

Neither AirOTP nor Syscall shows ads.

### Which is updated more often, AirOTP or Syscall?

AirOTP ships an update every 8 days, and Syscall every 2 months. Most recently, AirOTP was updated on October 2, 2026 and Syscall on October 5, 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.*