# Syscall vs Equisound Online

The clearest difference is update cadence: Equisound Online at every 3 weeks against Syscall's every 2 months. 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.

Syscall ships an update every 2 months, Equisound Online every 3 weeks. The most recent releases landed on September 18, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Syscall | Equisound Online |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 27 MB | 52 MB |
| Requires iOS | 15.1 | **14.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [nttworks](https://appshunter.io/developer/1794251891) | [世邦通信股份有限公司](https://appshunter.io/developer/1427374431) |

## What reviewers say

### Syscall

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Equisound Online

[App page](https://appshunter.io/ios/app/equisound-online/id6751266256)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Syscall free?

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

### Is Equisound Online free?

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

### Do Syscall or Equisound Online have ads?

Neither Syscall nor Equisound Online shows ads.

### Which is updated more often, Syscall or Equisound Online?

Syscall ships an update every 2 months, and Equisound Online every 3 weeks. Most recently, Syscall was updated on September 18, 2026 and Equisound Online on September 12, 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.*