# iObserved vs Integrate Viewer

The clearest difference is price: Integrate Viewer at Free against iObserved's $12.99. Integrate Viewer also leads on iOS requirement (11.0 vs 16). iObserved's advantage is update cadence (every 4 weeks vs every 48 months). On ads, in-app purchases and device support there is nothing between them.

Integrate Viewer is free to download; iObserved costs $12.99 up front. Neither carries in-app purchases, so what you see is what you pay.

iObserved ships an update every 4 weeks, Integrate Viewer every 48 months. The most recent releases landed on September 17, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | iObserved | Integrate Viewer |
| --- | --- | --- |
| Price | $12.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 48 months |
| Size | 6 MB | 1.1 GB |
| Requires iOS | 16 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Angel App Publishing Ltd.](https://appshunter.io/developer/412814814) | [Woongjin Compass, Co., Ltd.](https://appshunter.io/developer/393294989) |

## What reviewers say

### iObserved

[App page](https://appshunter.io/ios/app/iobserved/id789884817)

**Features:** macOS Compatibility

**In-app purchases:** none


### Integrate Viewer

[App page](https://appshunter.io/ios/app/integrate-viewer/id1525664643)

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

**In-app purchases:** none


## Frequently asked questions

### Is iObserved free?

iObserved costs $12.99, with no in-app purchases.

### Is Integrate Viewer free?

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

### Do iObserved or Integrate Viewer have ads?

Neither iObserved nor Integrate Viewer shows ads.

### Which is updated more often, iObserved or Integrate Viewer?

iObserved ships an update every 4 weeks, and Integrate Viewer every 48 months. Most recently, iObserved was updated on September 17, 2026 and Integrate Viewer on September 19, 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.*