# Sdui vs CacheOn

The clearest difference is update cadence: Sdui at every 5 weeks against CacheOn's every 6 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.

Sdui ships an update every 5 weeks, CacheOn every 6 months. The most recent releases landed on October 17, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Sdui | CacheOn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (53 ratings)](https://appshunter.io/ios/app/sdui/id1145264453/reviews)** | — |
| Number of ratings | **53** | — |
| Positive reviews | 81.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 6 months |
| Monetization | Free | — |
| Size | 52 MB | 36 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Sdui GmbH](https://appshunter.io/developer/1034926222) | [Serhii Yatsyshen](https://appshunter.io/developer/1783779803) |

## What reviewers say

### Sdui

[App page](https://appshunter.io/ios/app/sdui/id1145264453)

This app streamlines communication and organization for schools and daycare centers. It connects teachers, educators, parents, and children through a GDPR-compliant platform, simplifying daily tasks and fostering collaboration in education.

**Highlights:** Secure chats, School news, Surveys, Digital class register, Sick notifications, Unified platform

**Features:** Vision Pro support

**In-app purchases:** none


### CacheOn

[App page](https://appshunter.io/ios/app/cacheon/id6754513524)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sdui free?

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

### Is CacheOn free?

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

### Do Sdui or CacheOn have ads?

Neither Sdui nor CacheOn shows ads.

### Which is updated more often, Sdui or CacheOn?

Sdui ships an update every 5 weeks, and CacheOn every 6 months. Most recently, Sdui was updated on October 17, 2026 and CacheOn on October 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.*