# DeDU 3 vs C1

The clearest difference is update cadence: DeDU 3 at fortnightly against C1's every 28 months. DeDU 3 also leads on device support and iOS requirement (13.0 vs 15.0). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

DeDU 3 ships an update fortnightly, C1 every 28 months. The most recent releases landed on May 31, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | DeDU 3 | C1 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | **Fortnightly** | Every 28 months |
| Size | 21 MB | 69 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [WSP Sverige AB](https://appshunter.io/developer/535494789) | [Teleoffice Viewcom AB](https://appshunter.io/developer/1190263780) |

## What reviewers say

### DeDU 3

[App page](https://appshunter.io/ios/app/dedu-3/id1113562843)

**Features:** macOS Compatibility

**In-app purchases:** none


### C1

[App page](https://appshunter.io/ios/app/c1/id6449938255)

**In-app purchases:** none


## Frequently asked questions

### Is DeDU 3 free?

DeDU 3 is free to download, with no in-app purchases.

### Is C1 free?

C1 is free to download, with no in-app purchases.

### Which is updated more often, DeDU 3 or C1?

DeDU 3 ships an update fortnightly, and C1 every 28 months. Most recently, DeDU 3 was updated on May 31, 2026 and C1 on September 21, 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.*