# D.E. Systems Events vs OnIt Link

The clearest difference is update cadence: OnIt Link at every 2 weeks against D.E. Systems Events's every 4 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.

D.E. Systems Events ships an update every 4 months, OnIt Link every 2 weeks. The most recent releases landed on September 10, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | D.E. Systems Events | OnIt Link |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Size | 30 MB | 18 MB |
| Requires iOS | **11.0** | 12.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DE Systems Ltd.](https://appshunter.io/developer/1066344597) | [On It Event Solutions Inc.](https://appshunter.io/developer/1667932153) |

## What reviewers say

### D.E. Systems Events

[App page](https://appshunter.io/ios/app/de-systems-events/id1617304959)

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

**In-app purchases:** none


### OnIt Link

[App page](https://appshunter.io/ios/app/onit-link/id1667932151)

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

**In-app purchases:** none


## Frequently asked questions

### Is D.E. Systems Events free?

D.E. Systems Events is free to download, with no in-app purchases.

### Is OnIt Link free?

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

### Do D.E. Systems Events or OnIt Link have ads?

Neither D.E. Systems Events nor OnIt Link shows ads.

### Which is updated more often, D.E. Systems Events or OnIt Link?

D.E. Systems Events ships an update every 4 months, and OnIt Link every 2 weeks. Most recently, D.E. Systems Events was updated on September 10, 2026 and OnIt Link 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.*