# Zark Update vs SonaVu InSights

The clearest difference is update cadence: SonaVu InSights at fortnightly against Zark Update's every 2 months. Zark Update's advantage is iOS requirement (13.0 vs 15.6). 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.

Zark Update ships an update every 2 months, SonaVu InSights fortnightly. The most recent releases landed on October 27, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Zark Update | SonaVu InSights |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Size | 27 MB | 55 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SEC of America Incorporated](https://appshunter.io/developer/894019771) | [SM Instruments Inc.](https://appshunter.io/developer/1802574173) |

## What reviewers say

### Zark Update

[App page](https://appshunter.io/ios/app/zark-update/id6673909377)

**Features:** macOS Compatibility

**In-app purchases:** none


### SonaVu InSights

[App page](https://appshunter.io/ios/app/sonavu-insights/id6743147172)

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

**In-app purchases:** none


## Frequently asked questions

### Is Zark Update free?

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

### Is SonaVu InSights free?

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

### Do Zark Update or SonaVu InSights have ads?

Neither Zark Update nor SonaVu InSights shows ads.

### Which is updated more often, Zark Update or SonaVu InSights?

Zark Update ships an update every 2 months, and SonaVu InSights fortnightly. Most recently, Zark Update was updated on October 27, 2026 and SonaVu InSights on November 4, 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.*